Evidence row 2174350

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zYjmw3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2313d6a0-8bd4-4ce3-b339-59efe0b761ba/.well-known/agent-card.json"
    ]
  ],
  "name": "Biva",
  "owner_address": "0x25f7a635f37822004f6dce58454a5ada1ffa3030",
  "raw": {
    "agent_id": "112555",
    "agent_uri": "https://centralcity.ai/a/zYjmw3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biva 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/zYjmw3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biva",
      "registrations": [
        {
          "agentId": 112555,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2313d6a0-8bd4-4ce3-b339-59efe0b761ba/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zYjmw3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793637651,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:42:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biva 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/zYjmw3"
}

What the leaf hashes

{"body":"4750c3adb33ed076fb20ecce5061e7205d3adba160375427105683c60ce4b65c","id":2174350,"kind":"listing","method":"sync.erc8004/1","observed_us":1793637746239146,"prev":2173782,"subject":"erc8004:5042:112555","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. 0xbac3cb2426b2119aba20546f3610c595e39507627f6fbe17bd0146653c5b1085
2. 0x25219ae5330b92383008fc26504093254a21c701efad73e2e00a42c76160ccc7
3. 0xf640fcb93793cb807071678fdfc8a28bdc68cce2aefd44dc96768590bd17da15
4. 0x89bdf2d6eda13b86ac749f266d2975a13534650ac0c76ffadbe87f52ef077812
5. 0xe77283374f9221abe3359f56044060ca389ba55de49ffa109e4eab94c94d191d
6. 0xa18d0943497ca66a1c0ea73123415e8727c7c1e3ec754a1298d8a37ce7e205bf
7. 0x533a203cafd3fb94ad7eb0e70a6f70b7e6e7d1037f4fe7dcbe89984bc49e5baf
8. 0x2d1109cfba8430f598e00e7d698075e13fa6417642e4e2699d2969a485cb1854
9. 0x13aad282d81ca94b1b72c1d3d59dc2961d7561969d2423834a5917b48ec85931
10. 0xf10cd4a13671a2445b30b3b4405b279a8fdae1e80f377f066c65724d36c9ca47
11. 0xe6b44ecdb75ff120484734db6904b7ebd6bf31aeb34bacac46b7665ead9f0f99
12. 0x83d46cc9a78a5c717b4bb87ce4b38231f8d8a40ecf7e32a81f31d861b83a0b87
13. 0x626fb5c7d656fa8c4ab162a898cfff0f195757f6cb547860059c20e431ef93c9
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af