Evidence row 54253

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usething.ai/"
    ]
  ],
  "name": "thing",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-09T15:17:51.814024Z",
        "status": "active",
        "statusChangedAt": "2026-10-09T15:17:51.814024Z",
        "updatedAt": "2026-10-09T15:17:51.814024Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Artifacts for any coding agent: a durable link with versions, diffs, and comments on the page.",
      "name": "io.github.unravel-team/thing",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "API token from usething.ai, under Settings then Tokens. Lets the server publish on your behalf with no terminal login.",
              "isRequired": true,
              "isSecret": true,
              "name": "THING_TOKEN"
            },
            {
              "description": "Base URL of the thing server. Defaults to https://usething.ai; only set this for a self-hosted instance.",
              "name": "THING_SERVER"
            }
          ],
          "identifier": "@unravel-tech/thing",
          "registryType": "npm",
          "runtimeArguments": [
            {
              "description": "Run the CLI as a Model Context Protocol server over stdio",
              "isRequired": true,
              "type": "positional",
              "value": "mcp",
              "valueHint": "mcp"
            }
          ],
          "transport": {
            "type": "stdio"
          },
          "version": "0.12.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/unravel-team/thing-cli"
      },
      "title": "thing",
      "version": "0.12.0",
      "websiteUrl": "https://usething.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Artifacts for any coding agent: a durable link with versions, diffs, and comments on the page."
}

What the leaf hashes

{"body":"5c2d940a1b552b692b2a25f1eddd524447e9b771ad4ad7c3d110c56ea6f42401","id":54253,"kind":"listing","method":"baseline/1","observed_us":1793025425067089,"prev":null,"subject":"mcp_registry:io.github.unravel-team/thing","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xac1e0454a15cfd8c0035afb48373690133dcaee54287fdfa8e3b723489e582f2
2. 0x8e0452395ef522d4e754b5147d510a4f9baad00fc315c159946a91e782ba5f8d
3. 0xc1704d11ff6dd75c1180662378d2a529c0a76793f5233f923355d31c6b896c08
4. 0xa7f7185c5a43c37c70c0da40a4f456ff701d3831039f66191baecb0232e54580
5. 0xdcbf3db7ba23950bde0f34f028024d426900f8529f4347a010974d970296fd15
6. 0x001aeb2397cbb8cee294d4b20ef1e5ba30c12e25e00c7493020ad02b068a2d45
7. 0xd2bc14f74b8adbc89afce970f09950f8e80b40fcd0902af989661048e9f262f2
8. 0x13ef9ce654bad5a008fb27fe4178dcaa07d240d6bbf16dcb40e8275f13ad40b8
9. 0x64cdd11706d733abe111a6e0bbaa96ee498e378ada17d62db33853ba4ef813d2
10. 0xc97abdede7c4060ef185e84128116a0ad0ab1d598f63d28fa5df0730f940fb58
11. 0x3777e64f7ac9f40ae7e4f13404a570afc2a739656a377469485865c026d1c99c
12. 0xb7fae69bb7bd717d54a83df961404a3e4de2a5cfbcfa013fd83a38627fe13f7e
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae