Evidence row 3046550

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Oiwjgb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/18439811-e3e0-4fc6-aef4-ab16a8e128ed/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiotino",
  "owner_address": "0x98a436145bb5e3dddf5a6ea5201454b3a5f3e253",
  "raw": {
    "agent_id": "273456",
    "agent_uri": "https://centralcity.ai/a/Oiwjgb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiotino 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/Oiwjgb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiotino",
      "registrations": [
        {
          "agentId": 273456,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/18439811-e3e0-4fc6-aef4-ab16a8e128ed/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Oiwjgb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793816318,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:21:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiotino 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/Oiwjgb"
}

What the leaf hashes

{"body":"69c46f22ddfd44b1d73a75465ae7f8dc931b3acfd133da32bc4df78f332b4320","id":3046550,"kind":"listing","method":"sync.erc8004/1","observed_us":1793816500427817,"prev":null,"subject":"erc8004:5042:273456","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. 0xf45cac518f4ab9092c887dc70315b12068adcdfeff52c8695101bd0372086c92
2. 0x6247a17b555ba04cf39f8805e8cafb25b1a54137afe6c9dc6f1dfbfe66d97313
3. 0x24bac2557cf3caa18a43a669c33b4d2f40fd82a960e8b8d45d72408bae7053e0
4. 0xe0a757bd9c932cdcdc3476610709679d19e208578b9940c5857cfef7de105621
5. 0xd59605d165b09bcb41179a58bcbe4cb9252ca5236549d435e3b58d041695192e
6. 0x6a974975e19530c4e0a751204f9c80e635817692a8c415d82e94dd8a39b7401c
7. 0x596dc09576ed799e2eaee2460602362d49e466b6d94fa1b6bec33f29fdbc2e44
8. 0xb9ef4f07e8e44eeba72788f0754fdbbf4be17824062049512026397d883b2ca0
9. 0x7d9a950825ab5092517d5884481ce59f41ef000be3f143f9dce9b2b0ceda8d4c
10. 0x048cb4010f8ffe0981469dce135e684a0c7f429c1789ff7859ff0a06ab69c974
11. 0x2cc0c28ecb2d3557acce1378f7cdd271b7b49f484567f915b7ab6c3663cdeb91
12. 0xd6882f44a65d71c5bcbe1d704e01ccc5ba01b4811accb01033ce9703d04c4446
13. 0x58f1fe680d97447966f120c32c86961b978b07259517f13711caf77434296681
14. 0xce5641798200c67544ce13e8b1215cbd72ab0a0bd153ca4924db7c1071fdccd9
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345