Evidence row 1503293

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.mtaapi.dev/docs/ai/mcp"
    ],
    [
      "mcp",
      "https://www.mtaapi.dev/mcp"
    ]
  ],
  "name": "MTA API",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:38:41.945138Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:38:41.945138Z",
        "updatedAt": "2026-10-31T17:38:41.945138Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Live NYC-area transit: subway, bus, PATH, NJ Transit, LIRR, Metro-North, NYC Ferry, Citi Bike.",
      "name": "io.github.HumanInterfaceDesign/mta-api",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional: Bearer <MTA API key>. Clients can sign in with OAuth instead.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://www.mtaapi.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/HumanInterfaceDesign/mta-api"
      },
      "title": "MTA API",
      "version": "1.1.0",
      "websiteUrl": "https://www.mtaapi.dev/docs/ai/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Live NYC-area transit: subway, bus, PATH, NJ Transit, LIRR, Metro-North, NYC Ferry, Citi Bike."
}

What the leaf hashes

{"body":"ef1bd5c2069734489b38902de6b46b07cbd1f398a0c49fd054a040d8b18c4383","id":1503293,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470580916565,"prev":1249373,"subject":"mcp_registry:io.github.HumanInterfaceDesign/mta-api","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x069db4bfd2211ad4ca3877877a6da2b36b3a0840b8f64cd69240ef0d0ded3ab2
2. 0xa876218d96856280a57b0cc0f0e9906f79817f7cdb93b9bf45eb92a0a36864fa
3. 0xc7194898d9691da2bd260a9abb70692a5520a3842dda8e478c0eecef0680e2fb
4. 0xfa9c4069f9d12b2515f19193b003b14d0cfcb90a46e6cf859df682cad8c32fcb
5. 0x8746aec770df1cab0c8fbcb9c5222eee3a9a46b6e659bf203e6cc4b7a0608372
6. 0x703b4d4f030eb44e4706271a072b1d35e66d98d1537a79cc1777b68696e5762d
7. 0x661a5ca62dbe55ffe370d2cbca8d28e6f59b253c959a11b83e2aae925a6fb60d
8. 0xea427811d9eef49765a33c842ddd3662a9885b1cf2bc3015d787df2c7c7d1937
9. 0x6f09ae9131f0e43da161ad4a1f2a6bb197b018295ecc1ff25c6fa72f9a0f8d44
10. 0xc28f7fa08f0e36727719ed7e3838cfab1414eefa4c00129b215de14bb9903f53
11. 0x6590ada4c645b20699eadafce515c247bb9e36c10111d6972a97a32e05ed541b
12. 0x1f70d8b03b3dfa5e37b653d675d329fd69dc7d07a418bee0f5f2eb4ae65437ea
13. 0xf710e54eacbe157b618c64e8dad060fdfb69ebcb70c1ca3bd9216c2857848588
14. 0x3c6faa3733ce39f85107d6cf00f3a7c42fd5fd374502ec6e62b0305586bf03de
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0