Evidence row 2072531

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qw1WQL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6b9cd584-6415-4f0d-ab6b-735bd968de00/.well-known/agent-card.json"
    ]
  ],
  "name": "Nivo3",
  "owner_address": "0x01976b7e3b67a77faf7b4af7d904b172b76c55c6",
  "raw": {
    "agent_id": "67728",
    "agent_uri": "https://centralcity.ai/a/Qw1WQL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nivo3 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/Qw1WQL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nivo3",
      "registrations": [
        {
          "agentId": 67728,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6b9cd584-6415-4f0d-ab6b-735bd968de00/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qw1WQL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793599712,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:12:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nivo3 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/Qw1WQL"
}

What the leaf hashes

{"body":"935990b81a3537aa660dc07f11363f55173e391ed88fb03266ae206df3b265ac","id":2072531,"kind":"listing","method":"sync.erc8004/1","observed_us":1793599953632723,"prev":2072092,"subject":"erc8004:5042:67728","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. 0xdb9ad1dfde5507883d8c137f91c1a96240f33e6c99d0aedb09f6d12c1ffc06a5
2. 0xb09efaa7321f123bfdc7f4650b3a9d5adfaf9d9c5b9919255f85f91381612ccd
3. 0x2136c461dddbe0871298faee39b4cf9a77f07c56ad0a203320be7b6295759c50
4. 0x6208a3ae99215ebcf5e9bc5d14e1b46cf63f64870870c7e5b2d39ed7f5ea1341
5. 0xf5a8b35741a699cc5caa43efe5ad52b1851daf0b88b6ce8855a56d0ada56d613
6. 0x63cd008d1367461b4343c8622ffabd327cc47480c4acc358af4991dbaa08a2c7
7. 0x6bf3104a9d048e1bb7cbc5edb17bf7e9e97771590f6e2e494b8007543681222b
8. 0xb89eb3bce57ce67fd6467216bb4a973ae4afe3f78bd5f4092bf8b5fc265aa45a
9. 0x59f50c0c28b6f0d5e2cce516ca17fcd94eb7023fea013db0f8189edabaaaac6d
10. 0x7a496ad5caf365bb5f11fdc1424e19de5cce094b069518606496f0d7394ceb0c
11. 0x7875c12cd9501233f24e29a6f6cef2c2c51a4b14b4c1f113788bae170da71116
12. 0xdaed05bad2a1cdaa5f52d32d403aa69b5ad3e42c64c1772d4dd5905889bf2276
13. 0x4d734793ac74750cbdf1c30c6305a901fe0ac2ddf5819c226b382460e68290cd
14. 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af