Use the HTTP API Bridge

Our API is built around UCAN Invocation (opens in a new tab). This allows clients to verify that our service executed a submitted UCAN invocation and produced a given result. This gives us a flexible, interoperable, verifiable computational abstraction to build upon, but is not widely supported by programming languages or operating system utilities, which is a significant disadvantage compared to a more traditional auth-token-based HTTP API.

To compensate for this, we've implemented a "bridge" that lets you use the tools you know and love to interact with our API in a manner that should feel familiar if you've used an HTTP-based API before.

Limitations

The instructions below are oriented toward capabilities invoked on spaces. These include access/delegate, space/info, space/allocate, store/add, store/get, store/remove, store/list, upload/add, upload/list, upload/remove and usage/report.

Other capabilities are invoked on other entities. They are supported by the bridge, but you will need to generate auth tokens that are targetted at different DIDs and may not be well supported by our tools - please let us know if you are interested in this functionality so we can better support your use cases!

Authentication and Authorization

Our UCAN Invocation-based API uses public/private keypairs to identify users and UCAN Delegation to allow those keypairs to invoke specific capabilities. The HTTP Bridge uses the same fundamental primitives but confines them to two separate HTTP headers, X-Auth-Secret and Authorization, that can be generated by clients without interacting with our service.

Details of how to generate the header values can be found in the W3UP UCAN Bridge Protocol (opens in a new tab) specification, but they can also be generated for you by the w3 CLI (opens in a new tab):

Generating Auth Headers with `w3cli`

If you have not already logged in and created a space with the w3 CLI, do that first:

w3 login [email protected]
# follow onscreen instructions
w3 space create
# follow onscreen instructions

Next, find the DID of the space you'd like to use with the bridge:

w3 space ls
* did:key:z6Mkabc123

And use the bridge generate-tokens command to generate header values:

w3 bridge generate-tokens did:key:z6Mkabc123 --can 'store/add' --can 'upload/add' --can 'upload/list' --expiration `date -v +24H +%s`

The example command above uses the --expiration option to specify that these headers will be valid for 24 hours. It uses the --can options to specify that the headers can be used to invoke store/add, upload/add or upload/list capabilities.

The result of w3 bridge generate-tokens will contain the values of the X-Auth-Secret and Authorization headers:

X-Auth-Secret header: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE

Authorization header: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f...

These can be used with curl like:

curl -X POST \
-H "X-Auth-Secret: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE" \
-H "Authorization: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f..." \
...
https://up.storacha.network/bridge

Listing Uploads

Listing uploads in a space is one of the easiest ways to ensure the bridge is working. We'll give an example using the common unix utility curl:

First, create a file named list.json and put the following JSON in it, replacing did:key:z6Mkabc123 with the space you used to generate auth headers above:

{
  "tasks": [
    [
      "upload/list",
      "did:key:z6Mkabc123",
      {}
    ]
  ]
}

Next, run curl as follows, replacing the values of the X-Auth-Secret and Authorization headers with the values you generated above:

curl -X POST \
-H "X-Auth-Secret: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE" \
-H "Authorization: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f..." \
-d @list.json \
https://up.storacha.network/bridge

Storing Files

You can store individual files as big as 5GB (opens in a new tab) in spaces on Storacha. To store larger files, see the Sharded Uploads section below.

To upload a file to your space you'll first need convert it to a CAR. Assuming your file is named hello.txt you can first use ipfs-car (opens in a new tab) to create a CAR:

ipfs-car pack hello.txt > hello.car
bafybeidhkumeonuwkebh2i4fc7o7lguehauradvlk57gzake6ggjsy372a

If you already have a file available on the public IPFS network by CID, you can turn it into a CAR that can be uploaded to our service with:

ipfs dag export bafybeidhkumeonuwkebh2i4fc7o7lguehauradvlk57gzake6ggjsy372a > hello.car

Hang on to the bafy... Content ID output here! You'll need it for the "Registering Uploads" section below. Next, calculate the Content ID of the CAR you just created:

ipfs-car hash hello.car
bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq

You'll also need to calculate the size of hello.car in bytes. The common utility wc works well:

wc -c hello.car
161 hello.car

Next, create a file (in this example we'll name it store.json) and put the following JSON in it, replacing did:key:z6Mkabc123 with the space you used to generate auth headers above:

{
  "tasks": [
    [
      "store/add",
      "did:key:z6Mkabc123",
      {
        "link": { "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq" },
        "size": 161
      }
    ]
  ]
}

Important: Make sure you use the CID from the output of ipfs-car hash <file> as the link in the file above! It should start with bag.... It is not the same as the DAG root CID (which usually starts bafy...).

Finally, run curl replacing the values of the X-Auth-Secret and Authorization headers with the values you generated above:

curl -X POST \
-H "X-Auth-Secret: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE" \
-H "Authorization: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f..." \
-d @store.json \
https://up.storacha.network/bridge

You'll get a response that includes a number of different fields:

[
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "allocated": 161,
          "headers": {
            "content-length": "161",
            "x-amz-checksum-sha256": "5NswWHZdy73RY/nH3BQAGKfTAXKPO1BYLmJCjEx34PM="
          },
          "link": {
            "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq"
          },
          "status": "upload",
          "url": "https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM76NYBTG7%2F20240307%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240307T170854Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEMn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLXdlc3QtMiJHMEUCIQC2snXc59uBD2ugjc7C9DiKP0447T7fZ0A010Ph6iDswgIgfq0fYWE4Y9FByHz%2B6mYRussCgVr9KlBV1eGd1kgA22Yq3AMIwv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAAGgw1MDU1OTUzNzQzNjEiDCjNsn%2FQBypcXnybPCqwAyGtjDvgxmoQg8IYvO4vQ5fxZw%2F69mzSB%2BJmJMl9gnMaQ7SqUuTQnamPEZHM%2BaztPTbSBFm26S9o4GcZWn5S9UCOLb4YV6sAeCC3XCMkc58RPvyehMiVf0xdN1lBCLkFDd%2BHDb0cPEOvvJbTor22rhCo9L%2FsAVZPAYBu1efwvifCMnUebFeA3Qc0lvYG9PqLtZwo2ZMeVCwXYZiwec%2FpwdobopEWve88GJtxrVyiWMuV4pO7A68cty5ukFr0aRwNHM9g2e2y%2BSymH8pS6mfWpdope%2F%2BB6JoYvKKPN%2FQMpvROl0BxNdTD%2FgNUNqKjlNfUDtV7NqaDJlTqtlTXp44%2F7AUk7yJgK9UlVmp7B30oNH3fPtNXEFBbowoVczqcDBfp%2BxDBMZRFDa37VNcoIdjEBpBTCZk5hONDpjlp%2FyGd1EPSswbQyr6nA5xwLunfF6HhWA%2B8ZMp5raiepAPm%2FS7QfpbiZGtEZ%2FoVWENmPI4HLjDKYjXRJ7i680K9cMDeFSHjHvaTYsgOh09jmL5OnKSMRbANl4bNihk%2FX7pWgxVmbV0Qj%2BQ5eDpvsYUe9i%2FTUVAyODDU5KevBjqeATdV%2Fp9WiSN1mc1%2FUxn60TYZRFAjcTm6lfdbdtEEWneexsLLj6BpoW6gUA1c73JjEXsOEGbaSfHXi%2BI6nFtlNJpKlP%2BbrFlylA2qmIvlnKJzv2ALrsARUmCH1Kl26CVFfOtnJv7VZmDSVnS9nr4mYLHLkPjIhBaF3IxWVcFR7He0CCfRv%2BYkHzTlVdzoK%2BmJkUVyofY%2B3Bt3dDkpk7No&X-Amz-Signature=1d4cbc65a8440c89eb2770b2edfe4e3fe91831856ee03d0d939911d9963337f0&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject",
          "with": "did:key:z6Mkm5qHN9g9NQSGbBfL7iGp9sexdssioT4CzyVap9ATqGqX"
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreib732osv25yuv4zs7fhr6ijywa4itb62g6o7chej2jh6ierf6o6jy"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQH53KYLjnCneSTc9nslSC1AjFCU1dtGOgwwaCopfxS1Stur+GzYpubUnvjykRbqcyUvaHutl+XVxoZuOwV2mRgY"
      }
    }
  }
]

The three you care about are p.out.ok.status, p.out.ok.url and p.out.ok.headers. If the value of p.out.ok.status is done, congratulations! You're done. The file has already been uploaded to our system and you don't need to do anything else.

If the value of p.out.ok.status is upload you'll need to send an HTTP PUT to the value of p.out.ok.url, passing the bytes of the CAR in the body of the request and including the HTTP headers in p.out.ok.headers:

curl -v -X PUT \
-H "content-length: 161" \
-H "x-amz-checksum-sha256: 5NswWHZdy73RY/nH3BQAGKfTAXKPO1BYLmJCjEx34PM=" \
--data-binary @hello.car \
https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq.car\?X-Amz-Algorithm\=AWS4-HMAC-SHA256\&X-Amz-Content-Sha256\=UNSIGNED-PAYLOAD\&X-Amz-Credential\=ASIAXLN6VFMM76NYBTG7%2F20240307%2Fus-west-2%2Fs3%2Faws4_request\&X-Amz-Date\=20240307T170854Z\&X-Amz-Expires\=86400\&X-Amz-Security-Token\=IQoJb3JpZ2luX2VjEMn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLXdlc3QtMiJHMEUCIQC2snXc59uBD2ugjc7C9DiKP0447T7fZ0A010Ph6iDswgIgfq0fYWE4Y9FByHz%2B6mYRussCgVr9KlBV1eGd1kgA22Yq3AMIwv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAAGgw1MDU1OTUzNzQzNjEiDCjNsn%2FQBypcXnybPCqwAyGtjDvgxmoQg8IYvO4vQ5fxZw%2F69mzSB%2BJmJMl9gnMaQ7SqUuTQnamPEZHM%2BaztPTbSBFm26S9o4GcZWn5S9UCOLb4YV6sAeCC3XCMkc58RPvyehMiVf0xdN1lBCLkFDd%2BHDb0cPEOvvJbTor22rhCo9L%2FsAVZPAYBu1efwvifCMnUebFeA3Qc0lvYG9PqLtZwo2ZMeVCwXYZiwec%2FpwdobopEWve88GJtxrVyiWMuV4pO7A68cty5ukFr0aRwNHM9g2e2y%2BSymH8pS6mfWpdope%2F%2BB6JoYvKKPN%2FQMpvROl0BxNdTD%2FgNUNqKjlNfUDtV7NqaDJlTqtlTXp44%2F7AUk7yJgK9UlVmp7B30oNH3fPtNXEFBbowoVczqcDBfp%2BxDBMZRFDa37VNcoIdjEBpBTCZk5hONDpjlp%2FyGd1EPSswbQyr6nA5xwLunfF6HhWA%2B8ZMp5raiepAPm%2FS7QfpbiZGtEZ%2FoVWENmPI4HLjDKYjXRJ7i680K9cMDeFSHjHvaTYsgOh09jmL5OnKSMRbANl4bNihk%2FX7pWgxVmbV0Qj%2BQ5eDpvsYUe9i%2FTUVAyODDU5KevBjqeATdV%2Fp9WiSN1mc1%2FUxn60TYZRFAjcTm6lfdbdtEEWneexsLLj6BpoW6gUA1c73JjEXsOEGbaSfHXi%2BI6nFtlNJpKlP%2BbrFlylA2qmIvlnKJzv2ALrsARUmCH1Kl26CVFfOtnJv7VZmDSVnS9nr4mYLHLkPjIhBaF3IxWVcFR7He0CCfRv%2BYkHzTlVdzoK%2BmJkUVyofY%2B3Bt3dDkpk7No\&X-Amz-Signature\=1d4cbc65a8440c89eb2770b2edfe4e3fe91831856ee03d0d939911d9963337f0\&X-Amz-SignedHeaders\=content-length%3Bhost%3Bx-amz-checksum-sha256\&x-id\=PutObject

Please note that your storage space has been allocated at this point - if you fail to PUT the file you will still be charged for storage! The good news is that you can store the same file as many times as you like without being charged for any additional space.

Your bits are now on IPFS, en route to the Filecoin Network, but they will not show up as uploads in your Storacha account! To finish "uploading" your file to Storacha you'll need to register your upload as described in the next section.

Registering Uploads

To support arbitrarily large file uploads, our upload service requires large files to be sharded into multiple CARs, each of which is uploaded seperately according to the instructions in the "Storing Files" section above.

Once the files have been uploaded, create a file (in this example we'll name it upload.json) with the following contents, replacing did:key:z6Mkabc123 with the DID of the space you used to generate auth headers above:

{
  "tasks": [
    [
      "upload/add",
      "did:key:z6Mkabc123",
      {
        "root": {
          "/": "bafybeidhkumeonuwkebh2i4fc7o7lguehauradvlk57gzake6ggjsy372a"
        },
        "shards": [
          {
            "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq"
          }
        ]
      }
    ]
  ]
}

Change the root CID to the CID output when you ran ipfs-car pack above. Change the shards CID to the CID output when you ran ipfs-car hash above.

Finally, run:

curl -X POST \
-H "X-Auth-Secret: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE" \
-H "Authorization: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f..." \
-d @upload.json \
https://up..network/bridge

being sure to again replace X-Auth-Secret and Authorization with the values generated by w3 bridge generate-tokens.

If everything works as expected you will now see your upload when you invoke upload/list per the instructions in "Listing Uploads" above!

Batching Operations

The operations described in "Storing Files" and "Registering Uploads" above can be combined into a single HTTP request to the bridge. To see this in action, create a file (in this example we'll name it store-and-upload.json) with the following contents, replacing did:key:z6Mkabc123 with the DID of the space you used to generate auth headers above and the values of the link, root and shards keys with the CIDs of your upload:

{
  "tasks": [
    [
      "store/add",
      "did:key:z6Mkabc123",
      {
        "link": { "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq" },
        "size": 161
      }
    ],
    [
      "upload/add",
      "did:key:z6Mkabc123",
      {
        "root": {
          "/": "bafybeidhkumeonuwkebh2i4fc7o7lguehauradvlk57gzake6ggjsy372a"
        },
        "shards": [
          {
            "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq"
          }
        ]
      }
    ]
  ]
}

And run:

curl -X POST \
-H "X-Auth-Secret: uOGQyYzRhYWQwNmY3NtEwOTg1ZWU0NDU0NjByNTg2ZGE" \
-H "Authorization: uOqJlcm9vdHOB2CpYKQABcRIgYVymlT6sxiDd45CA0f..." \
-d @store-and-upload.json \
https://up.storacha.network/bridge

being sure to again replace X-Auth-Secret and Authorization with the values generated by w3 bridge generate-tokens.

You'll get a result that looks like this:

[
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
         "allocated": 161,
          "headers": {
            "content-length": "161",
            "x-amz-checksum-sha256": "5NswWHZdy73RY/nH3BQAGKfTAXKPO1BYLmJCjEx34PM="
          },
          "link": {
            "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq"
          },
          "status": "upload",
          "url": "https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq/bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM76NYBTG7%2F20240307%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240307T170854Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEMn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLXdlc3QtMiJHMEUCIQC2snXc59uBD2ugjc7C9DiKP0447T7fZ0A010Ph6iDswgIgfq0fYWE4Y9FByHz%2B6mYRussCgVr9KlBV1eGd1kgA22Yq3AMIwv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAAGgw1MDU1OTUzNzQzNjEiDCjNsn%2FQBypcXnybPCqwAyGtjDvgxmoQg8IYvO4vQ5fxZw%2F69mzSB%2BJmJMl9gnMaQ7SqUuTQnamPEZHM%2BaztPTbSBFm26S9o4GcZWn5S9UCOLb4YV6sAeCC3XCMkc58RPvyehMiVf0xdN1lBCLkFDd%2BHDb0cPEOvvJbTor22rhCo9L%2FsAVZPAYBu1efwvifCMnUebFeA3Qc0lvYG9PqLtZwo2ZMeVCwXYZiwec%2FpwdobopEWve88GJtxrVyiWMuV4pO7A68cty5ukFr0aRwNHM9g2e2y%2BSymH8pS6mfWpdope%2F%2BB6JoYvKKPN%2FQMpvROl0BxNdTD%2FgNUNqKjlNfUDtV7NqaDJlTqtlTXp44%2F7AUk7yJgK9UlVmp7B30oNH3fPtNXEFBbowoVczqcDBfp%2BxDBMZRFDa37VNcoIdjEBpBTCZk5hONDpjlp%2FyGd1EPSswbQyr6nA5xwLunfF6HhWA%2B8ZMp5raiepAPm%2FS7QfpbiZGtEZ%2FoVWENmPI4HLjDKYjXRJ7i680K9cMDeFSHjHvaTYsgOh09jmL5OnKSMRbANl4bNihk%2FX7pWgxVmbV0Qj%2BQ5eDpvsYUe9i%2FTUVAyODDU5KevBjqeATdV%2Fp9WiSN1mc1%2FUxn60TYZRFAjcTm6lfdbdtEEWneexsLLj6BpoW6gUA1c73JjEXsOEGbaSfHXi%2BI6nFtlNJpKlP%2BbrFlylA2qmIvlnKJzv2ALrsARUmCH1Kl26CVFfOtnJv7VZmDSVnS9nr4mYLHLkPjIhBaF3IxWVcFR7He0CCfRv%2BYkHzTlVdzoK%2BmJkUVyofY%2B3Bt3dDkpk7No&X-Amz-Signature=1d4cbc65a8440c89eb2770b2edfe4e3fe91831856ee03d0d939911d9963337f0&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject",
          "with": "did:key:z6Mkabc123"
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreiclycv7vdfutbtakytkbvcpx2ontlp3fusfb7niugvy5a6kawnhk4"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQDosaCizSSLXXm55dAeuDACNw2H9/JoUa6oLkLY7mv6TXeW+Z0xJouYj1MGf6LpHn756IW2NprqXq4c20EjlOwM"
      }
    }
  },
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "root": {
            "/": "bafybeidhkumeonuwkebh2i4fc7o7lguehauradvlk57gzake6ggjsy372a"
          },
          "shards": [
            {
              "/": "bagbaiera4tntawdwlxf33uld7hd5yfaadct5galsr45vawbomjbiytdx4dzq"
            },
            {
              "/": "bagbaieraw4kz73gtuttgxlckdby7fezy4o5hdfspcrl7nqxsh3ultzse2q2a"
            }
          ]
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreihobt6uxochgcmfs5bhetynrccrqsuipwp5cy5xxclvqgzw7qsmui"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQIa1JFOzEWHHfUZQJqRhZzElISfhq4b9Xqca0TgjX+3N7SLrYTB6SN/2GdLSgkRuIKZivB+tSdG4s/+Fvh1CxAQ"
      }
    }
  }
]

Remember that if the status field of the store/add result is upload you will then need to PUT your file to the to the given URL with the given headers.

Sharded Uploads

If you'd like to store a file larger than 5GB you'll need to shard it into smaller CARs before storing. We don't prescribe any particular sharding algorithm - you'll need to:

read the input CAR
write the first CAR file header
write blocks until the first CAR hits your limit (a number lower than 5GB)
write a new CAR file header for the second CAR
write blocks until the second CAR hits your limit
repeat until end of blocks

If you're implementing this yourself it may be helpful to look into our JavaScript implementation (opens in a new tab). We provide an example here using the carbites-cli (opens in a new tab) utility:

First we'll create an absolutely gigantic file:

printf -- 'this is an absolutely gigantic file created by travis%.0s' {1..1000000} > big.txt
ipfs-car pack big.txt > big.car
bafybeiao5ir3xsp4vhg46b2cjvnl4ucmg5wxrdpy4cypolwexitmpz7hwu

We'll save the CID ipfs-car outputs so we can use it in our store/add invocation later.

Next we'll use carbites to split this file. We are using the 50B option to split into 50 byte chunks - you'll probably want to use something much larger like 100MB:

carbites split big.car --size 25MB

You should now see three files, big-0.car, big-1.car and big-2.car. Calculate the CID and size of each one:

wc -c big-*
     26218318 big-0.car
     26227074 big-1.car
      573086 big-2.car
     53018478 total
ipfs-car hash big-0.car
bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq
ipfs-car hash big-1.car
bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua
ipfs-car hash big-2.car
bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa

Next, create a file (in this example we'll name it store-and-upload.json) and put the following JSON in it. The link and size in each store/add should match the CID and size calculated above, and each link should also appear in the shards array of the upload/add call. The root CID in the upload/add should be the CID output by ipfs-car pack above. Be sure to update the space DID did:key:z6Mkabc123 to match the space you used when you generated auth tokens!

{
  "tasks": [
    [
      "store/add",
      "did:key:z6Mkabc123",
      {
        "link": {
          "/": "bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq"
        },
        "size": 109
      }
    ],
    [
      "store/add",
      "did:key:z6Mkabc123",
      {
        "link": {
          "/": "bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua"
        },
        "size": 118
      }
    ],
    [
      "store/add",
      "did:key:z6Mkabc123",
      {
        "link": {
          "/": "bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa"
        },
        "size": 26
      }
    ],
    [
      "upload/add",
      "did:key:z6Mkabc123",
      {
        "root": {
          "/": "bafybeiao5ir3xsp4vhg46b2cjvnl4ucmg5wxrdpy4cypolwexitmpz7hwu"
        },
        "shards": [
          {
            "/": "bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq"
          },
          {
            "/": "bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua"
          },
          {
            "/": "bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa"
          }                    
        ]
      }
    ]
  ]
}

Once you receive a response, you'll need to PUT each of the cars to their respective upload URLs. Given this result:

[
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "allocated": 0,
          "headers": {
            "content-length": "26218318",
            "x-amz-checksum-sha256": "pyGILvsMgmI+NuWyG4uC65YEgkEQxQVsBJyApBMWL4U="
          },
          "link": {
            "/": "bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq"
          },
          "status": "upload",
          "url": "https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq/bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=28ad621b458a783fe69bf50bea52b8cfd9421127873e516bf237863e74c124dd&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject",
          "with": "did:key:z6Mkabc123"
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreifl635eqromltu6asqekh3gmdxiiasubcuvpc37j5ticopvjwmeqi"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQJS7nJycSU2r7941+5dbhqCuGbHsm2GXKbRggayUDxpfukNwJSyNR1GydX6pgqhfhLFCutlx3yKPOUH+/eoxtwg"
      }
    }
  },
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "allocated": 0,
          "headers": {
            "content-length": "26227074",
            "x-amz-checksum-sha256": "8I3270F1+ziIKC6r0M3ZqHJNRN1l9CNYpf+5vMXxJSg="
          },
          "link": {
            "/": "bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua"
          },
          "status": "upload",
          "url": "https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua/bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=f47614b5ec4751ec5b46617d172f86daf91bda5a8c15b771e7fb488d15394a4e&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject",
          "with": "did:key:z6Mkabc123"
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreihskuuxwtluxs2pndfjqr56jqlwfgpfoga7teitmbsbgzk466wbwa"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQI6K8xBybt+lthsCEfMjxbql7lml8XUeUeSxZsnF2duxuK7YKjEcETTr3gmPOARP0ulgr1yDOvWbUcKmumyIWQo"
      }
    }
  },
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "allocated": 0,
          "headers": {
            "content-length": "573086",
            "x-amz-checksum-sha256": "65jEDy7v85ByUoX06Jka6YTSyoKUcabZk9KHvuggolw="
          },
          "link": {
            "/": "bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa"
          },
          "status": "upload",
          "url": "https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa/bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=5792f7d2847ab963c54e34c44c7f821ccded0baf951d2be262be1a2e9c59101f&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject",
          "with": "did:key:z6Mkabc123"
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreidf7aj7tmrf54rkh2hrartvbbsg5ojbg2dmhnluvzrliyzq4o2cdi"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQBiyN3Nxpc+upjyfyHABtfscOjECEE9jXTG9H4R2/jOjlJrR39VPv2IkBFIBtbg0hPHs8I/XGftG1dl+iHur4wo"
      }
    }
  },
  {
    "p": {
      "fx": {
        "fork": []
      },
      "iss": "did:web:storacha.network",
      "meta": {},
      "out": {
        "ok": {
          "root": {
            "/": "bafybeiao5ir3xsp4vhg46b2cjvnl4ucmg5wxrdpy4cypolwexitmpz7hwu"
          },
          "shards": [
            {
              "/": "bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa"
            },
            {
              "/": "bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua"
            },
            {
              "/": "bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq"
            }
          ]
        }
      },
      "prf": [],
      "ran": {
        "/": "bafyreigl6rzvfcba47bj4eapo6csalvrmweq67dhejqmmoqw45rlemitnq"
      }
    },
    "s": {
      "/": {
        "bytes": "7aEDQBypjHmf0ROjk7VzXM3FDtEybD8c2ykGXkrBMjzXyNP4koXC9XWRKaeKYSTb8JK+8jpIDHnW/n0gMjEUihIgsA8"
      }
    }
  }
]

You'll need to run the following curl commands:

curl -X PUT \
-H "content-length: 26218318" \
-H "x-amz-checksum-sha256: pyGILvsMgmI+NuWyG4uC65YEgkEQxQVsBJyApBMWL4U=" \
-H "content-type: application/vnd.ipld.car" \
--data-binary @big-0.car \
https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq/bagbaierau4qyqlx3bsbgeprw4wzbxc4c5olajasbcdcqk3aetsakieywf6cq.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=28ad621b458a783fe69bf50bea52b8cfd9421127873e516bf237863e74c124dd&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject
 
curl -X PUT \
-H "content-length: 26227074" \
-H "x-amz-checksum-sha256: 8I3270F1+ziIKC6r0M3ZqHJNRN1l9CNYpf+5vMXxJSg=" \
-H "content-type: application/vnd.ipld.car" \
--data-binary @big-1.car \
https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua/bagbaiera6cg7n32box5trcbif2v5btozvbze2rg5mx2cgwff7643zrpreuua.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=f47614b5ec4751ec5b46617d172f86daf91bda5a8c15b771e7fb488d15394a4e&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject
 
curl -X PUT \
-H "content-length: 573086" \
-H "x-amz-checksum-sha256: 65jEDy7v85ByUoX06Jka6YTSyoKUcabZk9KHvuggolw=" \
-H "content-type: application/vnd.ipld.car" \
--data-binary @big-2.car \
https://carpark-prod-0.s3.us-west-2.amazonaws.com/bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa/bagbaiera5ommidzo57zza4ssqx2orgi25gcnfsucsry2nwmt2kd352baujoa.car?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAXLN6VFMM665ZYAHR%2F20240314%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20240314T175533Z&X-Amz-Expires=86400&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEHEaCXVzLXdlc3QtMiJHMEUCIQCUXvGoqROkM7v%2FLVCivP8q5dqoiRe4dbXtqTCV3MP9TAIgKGTZvwjmQ365IcVthNaMXHytEQmm74ABJmUKxFSon14q0wMIehABGgw1MDU1OTUzNzQzNjEiDD3M45t0320FZ6VOriqwA422dYlN9z%2F89MSJjGZQitkOPlF8wdp4t4kU3I4wvjyThjkfSGeyBV20XS%2FfsF8Dcm1L3iuZwUwhMZImvX406MZDzEYLKlyejvoDPQLpGOsopDfLOygdFUUQUvsbZPXvgJwyZp5r5YSUUUEOhmafdGHztdQVzqkiKaQ%2BUrXA1KAHb7qEXlM3NvPAyDNO0GJD8cVDUlygg%2Bw6mZodsjeIt%2B250MRvDU0DL%2BRPIG1OhCM81GMgnkmGpyTh4pSuZPPUqINRm7qKCssk0Fg84isHOCMa7OEonwoAccIHBS%2BQB8XtuvQ%2FQWDZeQUYxFFhvXKQu5tze9ZOHxFC%2FOAvmpoAQklXXzWeySKplID5AihmbCiNqisqqjQ9MuTuJmNfHHEIqFfKx00Rdxkl42IWNp8gtzyjTSjytWbEd%2Bm6yStClUvFo3i4pwn3zvCgZ3aV5NjWuOufQpAnU7Tb7lK02Q0JikIOz5hHHtOFLh5%2F8ldnKGaBp0qs9Nj1E2dEFU%2B%2BuyZ3bx6l1MrVknVhPsWUqCoEmT9me%2BJXKGFUV0hPjDKJNrPEtMLDbFoaW3yIh3hwVR9MWzCX3syvBjqeAZDeWPQKO8Xv%2B%2Fti9cMOU6R7EtRbJ1hHmz95u9SJLKD6E%2F19RQnPFj5f4TcDyoqt4UT6p8fRcK9xkAVg2e1qamlLmtEMEhgavD6YgqSLbEPpRe9CitthIZ9jyPvZYtxccY%2BhUoQSeSAQ11JHTRtYzsjzOs%2BcgXTSDRAaj6ZnCcLpEYgRt7hRO%2BqIhDdUNxbUenM1edJhEW%2FyKBn%2BEfvm&X-Amz-Signature=5792f7d2847ab963c54e34c44c7f821ccded0baf951d2be262be1a2e9c59101f&X-Amz-SignedHeaders=content-length%3Bhost%3Bx-amz-checksum-sha256&x-id=PutObject

Once this is all done you'll be able to see your upload in w3 ls and through the gateway, eg at https://bafybeicq2urqdqum3ykblswqzzxf6wpy3mcbr6jg52ai2zlhds4l7ho5wa.ipfs.w3s.link (opens in a new tab)

Upload from CI UCANs and Storacha