Evidence row 2974604

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9nOvcO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9f8efdc7-7a8a-4dea-819d-c3d1cbdfec69/.well-known/agent-card.json"
    ]
  ],
  "name": "Hillan21",
  "owner_address": "0xddf9c14f87d73ed33d8ccd775982f9bd3d79f968",
  "raw": {
    "agent_id": "234682",
    "agent_uri": "https://centralcity.ai/a/9nOvcO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hillan21 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/9nOvcO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hillan21",
      "registrations": [
        {
          "agentId": 234682,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9f8efdc7-7a8a-4dea-819d-c3d1cbdfec69/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9nOvcO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793779306,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T08:05:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hillan21 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/9nOvcO"
}

What the leaf hashes

{"body":"a38e9775fc3a83f0b5a3ce12d2ab55b20917c30729265aa71e12ac12f81454b9","id":2974604,"kind":"listing","method":"sync.erc8004/1","observed_us":1793779520485434,"prev":2973535,"subject":"erc8004:5042:234682","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x4d4da8edf317c4289896deeaaad4b7215178ee22c02d643c1eaeb5b814399b75
2. 0xee19c02542e44fa60bcc5aeda2b9b54e92c9d664112caf2c45ddc6607661fa52
3. 0x3019a6bf62310eb258eb1ef2e48833282f33419c72ef3b7dd4145786bf9f4f23
4. 0x9e58ef1931d5dcf80d8108c2f93304f049af1f382df07f8c8b97a802220f4a52
5. 0x60d05f10c2abe1808d9ff09924fd76a93e8852163cc0f7f888b7c5f9af82a1ce
6. 0x7e87f1e6e31542f1bbde4913184ee1b47789d3f96ead88494e1887e1dafd233a
7. 0xd5b9235f459f8abe01f488f536c3cd0591a8ee867c17ebfd5a98f3bfa2ae03de
8. 0x6c01126414bf366d861435a897b1222b951babca955aab7185810018c3b7dc2a
9. 0xa271b5ecfc3464c878ccf1234e5283e7448e179c088a9d2fff7a9d8b26de0477
10. 0x54657f33c06c7058c557d794eea49cc0ec4e4dfcfe7474c85e6dd81ed03ccc15
11. 0x9c97fe7b5a118804dd97546e9b2c4fd8451ce96c908398659fc1c269c903137b
12. 0xeff8d44c59e754ec5836a976b446793d266562cea6a579b1b6228809dae37743
13. 0x0c70678947e56ffce90ac2cce5414247eaf0e2b91719996aaa9809b66dfe1dc8
14. 0x522a25971cd6b6d3e9a052dc11f957b2d317b322866778d5d8ebb96f44d35189
15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345