Evidence row 2506909

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rqdqNl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a8e9a397-0d2c-48c4-9754-2789abf6d158/.well-known/agent-card.json"
    ]
  ],
  "name": "Birkito",
  "owner_address": "0x459c21df3f653cfa65f77efa5bba37a22db30496",
  "raw": {
    "agent_id": "151420",
    "agent_uri": "https://centralcity.ai/a/rqdqNl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Birkito is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/rqdqNl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Birkito",
      "registrations": [
        {
          "agentId": 151420,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a8e9a397-0d2c-48c4-9754-2789abf6d158/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rqdqNl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793673053,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:31:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Birkito is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/rqdqNl"
}

What the leaf hashes

{"body":"a7bbc641312b3b961c331b9d28df27764834720caeb6d2b3021e212b6cfcbe9d","id":2506909,"kind":"listing","method":"sync.erc8004/1","observed_us":1793673107145211,"prev":2506334,"subject":"erc8004:5042:151420","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xdbefeb03eae53ea677ba6c2345b69386a59c135835c7a33ab45c8bdb40c7e7fc
2. 0x182f7dfcfb2a79d7e29d3a90a55909f45a2c44b926dd62bbccbacd5cafb68e04
3. 0x90540b5a9e0414542a164aaeb29e0afff224eef7a1c320bb8b82849829014ce0
4. 0x3521fc6bccdff2e897e96cc26e24e266092fe12c4600f22480ee66bf70dcaa18
5. 0xcc07eb8acd90feb7220dd03f54090c9c7f4ab3996fbb6e7c91382794c70e0047
6. 0x3bdf0d8cb344cbd21537aefd45ac9bbf59919f9948237aaf4d43d93a6d74abf6
7. 0x2eaf68d84af9106f2cc589953fcef4dd3ee0cc994c4f9b2feb16c3d2365e3d48
8. 0x83e6e218a45bbdcd9ec08e6d986be6c356dd57de8b9b711f020c2ccec77c90a9
9. 0x9a866ccd05b3473f7e2836383ad8c265c4bbc7b97624c746c80e0ffb60b6c0bd
10. 0xdf2b485364dc7b00c00b07b751e5807ec1a3a1446b5e427414234400a015d5e1
11. 0x779fcb144b950be8adde4fa3731150f1127d7083618e768f9692204c1ffcc2ce
12. 0x69fef493303258aeebc16c0eb97f48a6c48c1bb23cfd01f1f80eede3dba2a152
13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7