Evidence row 2558677

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U79bBI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6106381f-031b-4b64-a6da-69c6c35691bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Noso",
  "owner_address": "0x472baf4444e1018eb6712a792b2b10de5219ed7e",
  "raw": {
    "agent_id": "172219",
    "agent_uri": "https://centralcity.ai/a/U79bBI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noso 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/U79bBI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noso",
      "registrations": [
        {
          "agentId": 172219,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6106381f-031b-4b64-a6da-69c6c35691bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U79bBI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793697332,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:20:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noso 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/U79bBI"
}

What the leaf hashes

{"body":"2631de2ba607228d72160b3a6b88cee6bdcdb732dff6c501e9ec1c206301a871","id":2558677,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697608937019,"prev":2557788,"subject":"erc8004:5042:172219","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. 0xbc5b4942141d3a7e1a18718bc196e4552b70b735eb64528c577c5ccfae2f5120
2. 0x3b343a5b2df2b120288e999acbd1276db652f8794811ff4d974c640b9e96df72
3. 0xedb1dc25f9001fe42a5450f98ae8a79662438eba6ed0977d8c7a69bf1b2ff188
4. 0x536b8a5a7dd0263e0cd504de69690327f3cafd4be2f536b1c0bce6e0c1d1a643
5. 0x07963b9bb3fdce1c7420e976d93c44ae1f860f3633ac8e24c468919d8ff7db86
6. 0xe243b2da0a6f34c75fa90bf26c2ba882ec06592b46845ef1b57e4552deaf9d62
7. 0x599a2546513224083d656bec64af47ef4acf7764943125ee9e3c86e2b435aba1
8. 0x369b9d9430571613c77e284b2d45522348c1b4f0a386495dc13a181ad9c0e7fb
9. 0x27fe771bdd9be0059edd009e9c616e9aa788ca3aec500382e1e1921f1ce2b5ce
10. 0xf1e14cb760ad2820b68141e6761d025b928796b0483ae6583a330260db9c54e7
11. 0x5a1ad70bace113b6468d4bfbc74831eb3403a3e846480d283804038e2f22023d
12. 0x7ce601fc96d647ce2463507747a850bd2b37655c54170e4e68ac13eab78c269c
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7