Evidence row 2103277

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Km3C4y"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/46c93101-c554-4190-a768-7aae02dba704/.well-known/agent-card.json"
    ]
  ],
  "name": "Gravino",
  "owner_address": "0x033b6da6dab0dc30bd4a3dc08022e452bf6d6e00",
  "raw": {
    "agent_id": "82236",
    "agent_uri": "https://centralcity.ai/a/Km3C4y",
    "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/Km3C4y",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gravino",
      "registrations": [
        {
          "agentId": 82236,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/46c93101-c554-4190-a768-7aae02dba704/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Km3C4y",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793612051,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:37:04Z",
      "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/Km3C4y"
}

What the leaf hashes

{"body":"8da3560826e26dd4f633e95dff192adf8fafcf5f9cabe1002f09b90135d965f0","id":2103277,"kind":"listing","method":"sync.erc8004/1","observed_us":1793612224296371,"prev":null,"subject":"erc8004:5042:82236","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. 0x284729f29c391bf0b9f266944427a53661e4b2161af707deaee86596c45781fb
2. 0x10ba932e071b7b862e442b7828afbade8b47502679b40a115a5f8743ef05c435
3. 0x8d2c16e178b979a5f2a3d8cf607af29564b3e8761acb968624666c474f7a1198
4. 0x4a623ceb4217a4d62c9bc61c1dfdecc3a9036ce975c7ac1e074eac11ef0c2e00
5. 0xddcb9765188c1a5af38fa5a14d77fd6b18a9c7159b2d6e5b955cb8250a6ed49a
6. 0xd9b6c5dfc2591b35f31aca6ea0ea51674ff74c522e37df6acb48ca4fd2ee696e
7. 0xb368bc253596a07c25135861629e12b68eead00c0de1d9971ddc113db8d8dc75
8. 0xef29846c8fa28d93c748c424df81fcec28d53c299bb51f6526a34ee6910a0fa5
9. 0x39de0a870c59ab17a3ebeb6b8fb09bd349258a9482beb2002e048b93c00f34b6
10. 0x60048d128f35d182690bce0dbfc8c6b0d66f79da360a18d15f1800c6c1e0934f
11. 0xe1b8509e01d1532793b61f1dc718c65fb553f0a888aca1c23fcbe02c5333eab4
12. 0x3a4530c387a03c52b7afbd39200548993215a4cb14f3e53ead9b1517fcfe0b2c
13. 0x51e311ca2900bdc02d33f863997ecf605beee83455e2af17106fa126c029645d
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af