Evidence row 2167472

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LkizEm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/50c6cef1-fc34-4b32-a747-d1f43aa94a31/.well-known/agent-card.json"
    ]
  ],
  "name": "Biarket",
  "owner_address": "0x5084b85cdfde6d6c01f8a5c2b7f2dab3acb31bc7",
  "raw": {
    "agent_id": "109109",
    "agent_uri": "https://centralcity.ai/a/LkizEm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biarket 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/LkizEm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biarket",
      "registrations": [
        {
          "agentId": 109109,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/50c6cef1-fc34-4b32-a747-d1f43aa94a31/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LkizEm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793634698,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:54:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biarket 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/LkizEm"
}

What the leaf hashes

{"body":"a7bbe20aca1104ab8843310b1f76aaf73ca49cf0b345e3da080c856063209cbe","id":2167472,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634887566212,"prev":null,"subject":"erc8004:5042:109109","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. 0x19b1689d7c25befe9343e9e132415b1401fa5b3766612af64e73cf8c2c3d55db
2. 0xf7b53974e3b4a9fd93928136bea0fee858bda09d796fc39674574c01cbc53179
3. 0x5b27f1efd158dc12cf674821b8eb5c5fc413f0aecab5d3869a1c9acc1d454559
4. 0x0816662c6780fe9930bc59cc967d57dccbe8c2312ec732fe2f90ae7d586e48d1
5. 0x3ae8188c76cba123d6d707f7d9fc746daa5d89ed18d1c1271e805a95e240341d
6. 0xd4078469a9922be1f68eb0593fc2ee9e36ca0c9edd1992d9945fdcb6d3420776
7. 0x8556d7838b460fa22b97a7f8086721b477478c08f7958b5a8337b4f6f9ac2a92
8. 0xba2678c01f492686f31862fc9c81d6d2a5a4dfc70c647e2ac69b51f0f47e7d97
9. 0x5267c96da6101512284051043f8d88840ad5e93dc0d22707b06673e349d64139
10. 0x5ac12d468c1dd922bc30ac95e978ce8fa2c75aae6d643950c93b78b58f47841a
11. 0x4d3941ce66c8aaea96fe3c729f5f67e05c9811c40bd87d75ef292405b91cb697
12. 0x26a5e40cd7017d9484a6a4cc5d6e133e2ac2a62428feac84f9ae661be99ee435
13. 0x3c6bb4ee00210310afea4db77a3d5e14b8fbfec0b426541034734f028665bbb4
14. 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af