Evidence row 51487

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/year-len/mcp"
    ]
  ],
  "name": "Days in current UTC year",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-11T03:22:59.072254Z",
        "status": "active",
        "statusChangedAt": "2026-09-11T03:22:59.072254Z",
        "updatedAt": "2026-09-11T03:22:59.072254Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Days in current UTC year",
      "name": "io.github.sadri-dridi/year-len",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/year-len/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Days in current UTC year",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Days in current UTC year"
}

What the leaf hashes

{"body":"9008a2739c85d1aaa8083ff5f4154b1fa879124d16a709e527a8d8401e6a98b8","id":51487,"kind":"listing","method":"baseline/1","observed_us":1793025417582536,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/year-len","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. 0x07e66161c03fae8050c5237ca96556dca8bd8a0250b393404daf001b9bbb09bb
2. 0x0acb7c7e7d553a321130d220c3c7e4bca17925e680686561ac8f09d8866e23e3
3. 0x5fadfe6092395cb8c7fa7ea9032629bfee5eab3545d783ffca690164538b0ec2
4. 0x681c213c851c32ceba391dc50fd73c35892e1227c09b0227e9cd143da6fdee7c
5. 0x29b253283c8036da06f81b3f5b75c6de568eae32e013c3662a645b0f87cab822
6. 0x958b8e9658576840c07f642e5dcf06bf5d74eaa279f68ae90377ed937932b7f2
7. 0x57a39af1ca54ff4fc2c6ca09669a596d78e1a8164b5212e4ef85b391ae480a88
8. 0x18e51c542bcdf0ce31e867990bcfb5d782769a2aa0aeab389e3cccc643f1d507
9. 0xeea4eb4b257a21cea79349051e304c9f01984afa83774c6509013ba81e058790
10. 0x286d15bd62bd4bdc9d226a5307435d38911f3c64d096f3d8addf809f96068fe4
11. 0xe5919b091405f2537da4d32a97f1520286a61795e2d149438b884ef5190051cc
12. 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae