Evidence row 3455058

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/04dAA9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ebb021a-d012-44bd-bd80-33e618ae8890/.well-known/agent-card.json"
    ]
  ],
  "name": "Gravino",
  "owner_address": "0xf05ce1d330e0ecdfa2207a945a3c0b99c19e7d6b",
  "raw": {
    "agent_id": "353021",
    "agent_uri": "https://centralcity.ai/a/04dAA9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gravino 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/04dAA9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gravino",
      "registrations": [
        {
          "agentId": 353021,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ebb021a-d012-44bd-bd80-33e618ae8890/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/04dAA9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793911274,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:43:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gravino 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/04dAA9"
}

What the leaf hashes

{"body":"7f2ad3e2d3d8709de1dccf3b1960d204e163d962cfddbe2a06d47461cb36108d","id":3455058,"kind":"listing","method":"sync.erc8004/1","observed_us":1793911418447502,"prev":null,"subject":"erc8004:5042:353021","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xfe51e0d593453d6ca36bec908fdff9ac96f488ee222e74c4654adc9d3e84e5c8
2. 0xbac999dd7ede926d4d6b54d5c469f320cddd5ea5649d8667e5d2f87b1c47fa22
3. 0x831eb855f84798aa9284e116589a93d523ac30d9e51412c04af074ac4506872e
4. 0x6387c609869786205a4950de3a279d73e933524ec060465ce09d0610d2380a39
5. 0xdb11e31605f59887bc82f3e6ea7edd638074a4764bd73c6e5965ec0ab4f116d5
6. 0x72bb8ecd18b9e1554cc1b3b5e9e97e5c8ee405e908ca88a39a15020bb85653cb
7. 0x724fc052844861e9ccb1d456ddbb47d75693a04bcb38320571c46257f1ef6d8f
8. 0x7fe06059d8b33185f635eec0ef8680e0d2cd399b2eb3ea8b1f695bea7c0a7da9
9. 0x759d1b8264fe89d2872ef9d39035bf61a6f1b8de679bcc2a80d9810aa7179b62
10. 0x30ecdffd4e38f5412938f4b545164befeeb5a47378508541084e69f31185d389
11. 0xf14851139eddd89bdc33ba1dd60ff736d8a01ee75c9105134c8ede7c967809e9
12. 0x00ee6b3612b08ec71bf906e7ed1d4372ce6af19d564aa6b217aca08e665e778e
13. 0x96089f99041b0447b39397a53cd16be1d825106c3cf5ed0904de1f7169d97047
14. 0xc52fdd499240d4cae496484b3da9c532542859f0626ea2a2fc243490680039e2
15. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
16. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94