Evidence row 1807994

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U7Bt0u"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b95ff6ae-1657-4d6d-9d65-437283409ed0/.well-known/agent-card.json"
    ]
  ],
  "name": "Nidias",
  "owner_address": "0xd434ec8fd4fd1cb5171ed7111c026e9c4d493de9",
  "raw": {
    "agent_id": "19088",
    "agent_uri": "https://centralcity.ai/a/U7Bt0u",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nidias 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/U7Bt0u",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nidias",
      "registrations": [
        {
          "agentId": 19088,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b95ff6ae-1657-4d6d-9d65-437283409ed0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U7Bt0u",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793560168,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:10:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nidias 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/U7Bt0u"
}

What the leaf hashes

{"body":"5a31deb3653d7d1177e83b0b9dd85c6a3d49b100311ccb859f6e97cdd1dc515c","id":1807994,"kind":"listing","method":"sync.erc8004/1","observed_us":1793560251699238,"prev":null,"subject":"erc8004:5042:19088","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. 0x2c185f9b980bcc7f75b3060b5bd3d2cfda5dd32c729ae818737b00514ef3d7a4
2. 0xdf1bea00ce0efb61dc4435ed93a204dda7381c375eca34bc01c38a460826cec0
3. 0xa11f591183953ef4f9604475a0759d5a4782e726d7eaf4c9e5fa5b888ab24977
4. 0x81c20207a07c297a6e4b4eacd1772edefb4894565b9fcf0f222c8a55e0953a2a
5. 0xc2b734d95dede8ca7361732ad7d97b2b265beef44ecf507caf0bd71e754c7a82
6. 0x97cb5dbfc17e659c2e922d64ba5c3a5a15302c813329a402938fb8ae8528dc82
7. 0x67c48eb31ca87cf39cf34be0cdfdf239c45e1514a6a5f3af50a7e7a2e2170fdc
8. 0x0dcd048fcf119f6bac4e04aed801288dd2d321bd2195d56d4e1847b10829b6cf
9. 0xc15a76df77612ad8bbe3e9711313db0d5b1a09be159bdbdb7c04d16ba5bfa3e4
10. 0xd62100d91545aa22a4b5f0c067d6131f9c82537cd9ab263086182e7f24bd8596
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