Evidence row 1777207

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/TQbycr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/93ba17b7-3224-4ee5-b0f2-e7d2caf58b8f/.well-known/agent-card.json"
    ]
  ],
  "name": "Grinabel",
  "owner_address": "0xc83d63ae7e1897b722ee33658069c632e65e1582",
  "raw": {
    "agent_id": "12304",
    "agent_uri": "https://centralcity.ai/a/TQbycr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grinabel 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/TQbycr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grinabel",
      "registrations": [
        {
          "agentId": 12304,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/93ba17b7-3224-4ee5-b0f2-e7d2caf58b8f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/TQbycr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552589,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:05:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grinabel 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/TQbycr"
}

What the leaf hashes

{"body":"3455f6c9ad9c0656304f55a998ee42ed5ad770647910a72e63b0f480df537c83","id":1777207,"kind":"listing","method":"sync.erc8004/1","observed_us":1793552716477390,"prev":null,"subject":"erc8004:5042:12304","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. 0x14d288d1e413feca35b3f5893dea3411c357a6c3e21fa5cc92c8505d72c1f168
2. 0x6d4960abb528f9c559add41b276c52edd4ff20a4d8859b9c6f45d15cf5cc507e
3. 0x774459e6ab7c60df39b01311dc912c6dc823c541b1fbe249b9f39cefeed1d2d7
4. 0xe7090f19a6285d0532aa1d9656b671a8db558fcce714398378283cbc137b7f68
5. 0xaef3e60e58089bc8f5a942dc63fb1e924f4caeacc6832980b1c6889c85ba93d3
6. 0x4533c257bbc2daf007c909ccddc01cbc424c3569959880ceb72d5c97dd202e02
7. 0x1d8f09e1c5b9d7296964413b8e041907b0cab51e192f0c1d205685a4b43edb1a
8. 0xfa060cd7eb1114cfdf782a4c1f5a79883716964f76dab1bf5f5942c1db05c5a1
9. 0x1cf6fc4521984b25bcec66354db88398fd972e6f8288ba9ee04f54f363745a65
10. 0xb1babebf22222bdedc068f9a643ce217f10d7eb84d9e151a3c5badeee5a86447
11. 0xf1ff5fb130c78235101ac2db45993a9a14f82bff6ec526eec34000d047812961
12. 0x79859dae10fa788a49bdaa3213f20a160211971c37ee9e9362c112381c4c44f2
13. 0xf1747d321f72e3e44bd30dc10c794e13858576ce0204d89dd555f1effa06ee29
14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90