Evidence row 2117642

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2RCSzQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d4b6bc44-f2e1-45e7-a2c8-a3ba9fbae3ad/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostel",
  "owner_address": "0x85092022c888bf6d0001f3bde4b48c0619678e53",
  "raw": {
    "agent_id": "87272",
    "agent_uri": "https://centralcity.ai/a/2RCSzQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostel 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/2RCSzQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostel",
      "registrations": [
        {
          "agentId": 87272,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d4b6bc44-f2e1-45e7-a2c8-a3ba9fbae3ad/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2RCSzQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793617695,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:13:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostel 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/2RCSzQ"
}

What the leaf hashes

{"body":"2305448e9e6fd2f0759c9be9049a06667fbae82e6740a92bf50b4a40af51269c","id":2117642,"kind":"listing","method":"sync.erc8004/1","observed_us":1793618008396811,"prev":null,"subject":"erc8004:5042:87272","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xacbeb4630bf77615c0f5d299dbc1fd9ae81fdea5f411351b5ccb6c3cd1d1022d
2. 0x95c563d97ce3fc4aeb21f4888c1e5b51f756ea6f996590d713502826dc67c94f
3. 0xe074c55587ac2e658601c003d818b09e15219a7b4547218ef4ea6b6277da30df
4. 0x804b0d90e73e4b79f5d1fea84374aa22a00fb4f3f4add2a1f982c9b3868b045e
5. 0x59bcc58a3db6e87507c7dd553ec7496e3941ff1411e6007f42f6eb2df7552fa1
6. 0x30b61859824acf247681f5c10b26f537b0fb65722be148332c0eadf44aca235c
7. 0x88ea559128f72bb5c6f38acca28538b5390cff0c09be2af8e68f226878315b6d
8. 0xfd3dcef5b6837324267af1e5b9ca221c5ed5447cd4a5472c1e2b3b1957fb7e7f
9. 0xdec67f582e547bbf0dbf931f50d46b47e7cc5f193bdc94d82af02c106501c2c6
10. 0x4c70ec0fb1392a7753630a2cb0b6008e4f889e6ea880dd6cb3847043b8aa08f9
11. 0x2ccda8c18ff07f00c8bb027f9f15ae0c0d5b653ed69ac4ac66f46fa53a11ad61
12. 0xba75ac8fae3b7769dc511d447c671590cf9f4572510e81111cdc037d6738de1d
13. 0x30482ffd581ea067af14f15cf3c17e7dcb174f749e858ecded170a1f5f75cc59
14. 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af