Evidence row 1782028

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XSfDwj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6c3dbaa7-e667-41df-b1b0-2a3138a27a48/.well-known/agent-card.json"
    ]
  ],
  "name": "Hallan",
  "owner_address": "0xe9a79faa087a0b1276204dcc1935a144f784ecb7",
  "raw": {
    "agent_id": "16354",
    "agent_uri": "https://centralcity.ai/a/XSfDwj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hallan 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/XSfDwj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hallan",
      "registrations": [
        {
          "agentId": 16354,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6c3dbaa7-e667-41df-b1b0-2a3138a27a48/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XSfDwj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793556069,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:04:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hallan 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/XSfDwj"
}

What the leaf hashes

{"body":"f5567299de9fc42432064d497db8c14ffa081dcc2c0a508ddf44278028368eb2","id":1782028,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556282148219,"prev":null,"subject":"erc8004:5042:16354","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x2c915ac9b16327fad416f41dfdbc9e3767146031c71bc4b6c876b704c5fda5e5
2. 0xf556bb939bf45d44d0ce02df1b60cdb32dc6c88fedc7759f5e596d43405f80a7
3. 0x7165eee5f6593bd0772f1a1c176ee2ab9bd2d3f1b96d1fdfbc8753be87cd1050
4. 0xfbd48655b89a17c763837cf0e9bbe8f6b25d0f86520e196b44af9f0857af86ee
5. 0x0d28463bdee68a0bfb4388b4d2debb9e6c5f40c38e5911cd28b20df3e11d778b
6. 0x31a77d5410da8ea28d4876b79b61f302d9cd0b63bdce9ee17930d78c31c24e89
7. 0xed53626bd0815038d9aba719396c3e4b3734c908d8b31cfe9998a9ead3c15ce3
8. 0x9254161d9b0b24883445a3455e50dac51c6f4e7b46165a17433b91ffedb77211
9. 0x48f68fb0f853c8ff0bb068ce118c8d4812c04d0a25996a5cae0b64f20b91d9d1
10. 0xc37660fe3bc21ff1e6502b7db294ea6416c5657c30884143c8c6c60e10dc3424
11. 0xc0183782a46371c6cac709be9692efff8b0420fcf778dec40808fb5878e97abc
12. 0x0d530940fda014e42fd7583a63b480ad18aedf87206fe608174f3d6c268b3669
13. 0x119e26a40ea5ea49199024d5e4dc5ea7e4b7110b91f88cec9a3d894fa9681bde
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90