Evidence row 2292266

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7jD2o3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/773cbfdf-19f8-4381-8a79-6170640e7809/.well-known/agent-card.json"
    ]
  ],
  "name": "Noster",
  "owner_address": "0x26aa1984dbbdd7abc77fcc14a907e0c9e14a9bc7",
  "raw": {
    "agent_id": "138377",
    "agent_uri": "https://centralcity.ai/a/7jD2o3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noster 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/7jD2o3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noster",
      "registrations": [
        {
          "agentId": 138377,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/773cbfdf-19f8-4381-8a79-6170640e7809/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7jD2o3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793658644,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:31:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noster 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/7jD2o3"
}

What the leaf hashes

{"body":"dd4ea569d0422ed964b7e9ccd118a72d347b29aa4417d4f9b2352115dfff262e","id":2292266,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658693609921,"prev":null,"subject":"erc8004:5042:138377","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. 0x67d05258cf50f41b181b5eeb9a673fcdaf8026a6fcabbc72af5b90955eed38fa
2. 0xe9525f614367904593671dba49cbeaa7fc1b241ddada52c69758c4cdcb43ca86
3. 0xa6dd95453a2857d99c56689fd42a16831dd1963b9b06a81c335dc1ce0a680e95
4. 0x12aad0a67ece356a6541ec15a2a7d96c9b90a127ff2d7326e31547f6ffa0def8
5. 0xe7b96553fcd12e33fdbb9f10ae0ffd266f347a707c0a71a88ab7d36b011359b3
6. 0x37757ffa75be1730648b541279f4f36f927cea684cc5ca2242267c7ab808460d
7. 0xfa3e79c57dab8142e6e825399c59a21222e5ca818c74cefa391443f044be06b2
8. 0x68243d81334cc9918a26e24eba306e7933e8c6a12921d85bcdd2d32f72209a16
9. 0x5753a7a404b49067034a15c960515b1afdb61a430c79299f7172700bb70452d9
10. 0xac346d7abfc0070c9c6d24a2d15e3f53080a94cf653585124b8481e0ed42eb89
11. 0x98caddb804c8cff94af0a2ec6a9fa5f80e72c99d18198b12efb73d3c64face7c
12. 0x38772423e3e81e7430cea010a925d00b0a50157fbb8a4096baa5e0018fd83123
13. 0xefbd3ce8cc9536c9dc7555a61f73905cdeb76d020d347be26b68924fa6aacbfa
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af