Evidence row 1822021

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cNosIM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8e82ce05-857b-4c2a-9ab2-48db74b8aa53/.well-known/agent-card.json"
    ]
  ],
  "name": "Niontino",
  "owner_address": "0x0db4c41743c3c17b1b81be824dae4cc0651ec2ef",
  "raw": {
    "agent_id": "23829",
    "agent_uri": "https://centralcity.ai/a/cNosIM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niontino 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/cNosIM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niontino",
      "registrations": [
        {
          "agentId": 23829,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8e82ce05-857b-4c2a-9ab2-48db74b8aa53/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cNosIM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564407,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niontino 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/cNosIM"
}

What the leaf hashes

{"body":"0dae79a6cc281549c0a6a3651cef6272ffe85e0640254732d3cd987254583890","id":1822021,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564643193770,"prev":null,"subject":"erc8004:5042:23829","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. 0x8d287ecb8bd2c0bce14a1f20fdb4c24059af06745df31209f3d88cfa9b3b40d3
2. 0xcaa61a81ba56f8ed06032a4edf00a220caaf853295302bfd8c143f53bb72b59e
3. 0xf56c8948a6be8d1e7235056dab4ca493a9fc8e29ac2bc8ab055b8fe9cf891225
4. 0xa680216e0eadc31590a098b2b568dd7017480d1b5c73571cd090d0ecf90b9227
5. 0xa5bcf02deb62a563578d9cde59da7f1860cb3f46b202b1c3672a41a59b900f12
6. 0x1fab0bfcac8fb4c0415f358291239adb302ea12d57d2966efdac7c29d73ca41f
7. 0x5e297b9a967b5d3e4a789b94898c607b784c0dc3b180eb81197da6e1d71837f6
8. 0xe82ad055231e9e477090df10330981b312be5c35154a83e377c5b1420474365c
9. 0xa14b97fc8b0489004897305b6b1153edeedf7fb61a6a3c20ea11a060199af6a4
10. 0x17ecc7466623f37f6a363e2f28f39a3340ff9b8bbc218753fe1ff5e012cb78aa
11. 0x591aea021f7cf8b6c9f92a3c371a7c64cdf7150c58a37b14b2626a676a919f49
12. 0x29d7a2a4df0d7fa79f3b537becdf01ca611b7c70fbde18f9fae82bb3e270cc73
13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90