Evidence row 2297524

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OOBdgh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8685c6f6-35f3-4a03-8eac-f6b3674f673e/.well-known/agent-card.json"
    ]
  ],
  "name": "Grampan",
  "owner_address": "0x1f4b0863625703da058799e8f46826f8dd746d40",
  "raw": {
    "agent_id": "140316",
    "agent_uri": "https://centralcity.ai/a/OOBdgh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grampan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/OOBdgh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grampan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8685c6f6-35f3-4a03-8eac-f6b3674f673e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OOBdgh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:05:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grampan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/OOBdgh"
}

What the leaf hashes

{"body":"b10fcc054f278e0e789c144709cb55c0d5e85b29343dadc7a1dfb12dd9c6d900","id":2297524,"kind":"listing","method":"sync.erc8004/1","observed_us":1793660743323690,"prev":null,"subject":"erc8004:5042:140316","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. 0xa722cedc9091b8f0dcc7f5c420102ba19dd78422c6d461b1224a5b9124395ddf
2. 0xbd6c41544d6fe03958b2e1c3681a83ad0ae78a97e8442a0bfbe0ff4d02cf0df4
3. 0x76ae4d005ea0d55cece9a0a71d01bc2adbb60039dda3cd8987951071b1d82b3c
4. 0xffee973ffe3f31db565346b3aafacb59a9785c4aeb7e2c548a6b737119374a79
5. 0xd27418d5d6066705e9b95a8260b3d4c1cdd39a0a819b5e29a9e65852615174c2
6. 0xf6497f66ab6fa9f1cb308efe81834cf2f6212f84a63eaee492abeaa1d7597df8
7. 0x22d1b75a6094b5dd487fa7606dbdad48f66c26fad98af4de6eac42c8e2efafe6
8. 0xfd693584bc32c2da09992ba4aa44980f717760d210beba69fb641638421016a9
9. 0xd9abfc6c35875e74afb0d68b33d2a8cba50072f9a3241aa204ddd936f0cb4c34
10. 0xc8789f49fe1fc7792bf922878bb86ebc5ad18d89cd34e060731be471666c5fd0
11. 0xaf8fa9d5423baf511198048927f512b9030830f053f50daae89b4058cc8d00e4
12. 0xc6f69d3f6f4fe09a9fc212c8631ef7fd2534c303c7902f55a5a63805fdc57695
13. 0xec9b01ce49e2dd688fa78781733c888976342aaf0672176098d6561858941ddd
14. 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af