Evidence row 2290364

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/lNQW4O"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/26005848-0ffd-45c6-88ba-07086a6dd1cb/.well-known/agent-card.json"
    ]
  ],
  "name": "Tastan",
  "owner_address": "0x1ddb890127ea77da9033b26b5bea6e8a637c4229",
  "raw": {
    "agent_id": "137276",
    "agent_uri": "https://centralcity.ai/a/lNQW4O",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tastan 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/lNQW4O",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tastan",
      "registrations": [
        {
          "agentId": 137276,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/26005848-0ffd-45c6-88ba-07086a6dd1cb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/lNQW4O",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793657930,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:20:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tastan 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/lNQW4O"
}

What the leaf hashes

{"body":"5e23d39da6732b0dfbc68e6278d808a0983052d44e0fdc596d7df1e59dccf7d7","id":2290364,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658005962416,"prev":2289775,"subject":"erc8004:5042:137276","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. 0xbbc87a92e0096e357b7109e5234c3fd4147dadb85116e493b0e9ac5431d7db21
2. 0xe2e74d997f53782359d05cd84d8d349a5e1dcf81eb230d8623d710b924769d41
3. 0x5427f9584f3ebfa2044a133d69f3530518ccc17d13815141944dd12d4d5c7735
4. 0xc8855a5859d7be07bb4344e0108dd5879944b22c296079020f7a6537981819b7
5. 0xdc5cfe677a9bac2d50a55a7f0fc2cf37231482585cdc89b3065e2684936655eb
6. 0x29a8bc0782b33b3ee7a769eabf84b34fa63c4a6b262365d82de28a820618dd81
7. 0xc9bccd399f14ea5d39ced6802a375314fd39bd37cf846cda5b3e1058534680f8
8. 0x7b9f49ff8da8e2964bc4ebfc976d71c1808325e635c556a31089059c2a5072e4
9. 0xe6eb01982088dff43f3681fd743a2c6cefee4c969c57cdfddec67b83df7d7587
10. 0xd9a7c4279fae82c814e559b20f0703127d0023acbf7ec3d836b0dee2fea47078
11. 0xa096acd13e4401f402a610487f6a4efc1ca5b51db14b6209eb47bd0c5abf1d65
12. 0xe58525446254d2108eb36448d0c82e228b172272ca44d008f01d5ed4cf747eac
13. 0x626fb5c7d656fa8c4ab162a898cfff0f195757f6cb547860059c20e431ef93c9
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af