Evidence row 3348571

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5lpZA3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5ca879de-c47a-4213-ae93-8867eec019c1/.well-known/agent-card.json"
    ]
  ],
  "name": "Biarkan",
  "owner_address": "0xb7b8abf4f68a1d62b323d78f079e05dc88162e8a",
  "raw": {
    "agent_id": "317769",
    "agent_uri": "https://centralcity.ai/a/5lpZA3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biarkan 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/5lpZA3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biarkan",
      "registrations": [
        {
          "agentId": 317769,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5ca879de-c47a-4213-ae93-8867eec019c1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5lpZA3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793842277,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:37:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biarkan 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/5lpZA3"
}

What the leaf hashes

{"body":"f6c8a2fccf9b9e7d1ff00386f517a915909f16761153ca914ca7645176f5bdec","id":3348571,"kind":"listing","method":"sync.erc8004/1","observed_us":1793842629150741,"prev":3348310,"subject":"erc8004:5042:317769","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xfff7655185233f7ff7f33e47bde59d7a32880a755dc871fa328451fd3e387a04
2. 0x61a8bac6f6aa6982134c58fe0cf2d0dbf84462ad58634516e444d5f377b5573d
3. 0x32b6130255a3bae8623a3b4368c9a029818f005e78a0a112bb579ccb3f99389e
4. 0xb22bc1e0b788f43e27f8995a40286040006d068c7d2aebcac847fb9886df74d1
5. 0x6d5ec8255ea73cf0a31fd4a5cd33ae5f32e92254a3848a1dc7c7019074aa9deb
6. 0x441a0fac932d5c22ea4e334df6e47e3b152ea30101e768a2318ed0d4679bc6b8
7. 0x795cc3804e67d0ac171f50f9a1c6124ee73d395c1038c0c65d57e9f418106093
8. 0xc165c55b19916c1e84b87d0b88a0faecf0b7eb21e30a3420b7714736012246dd
9. 0x1b7e08800c2094ba20e1acf8b8300d2acdcdd1e429ce5fcb0b38a1a4bb498135
10. 0xa3e3096b47444b98bb1b99e3b50800106efdac278ea61aab7f63f9ba03997376
11. 0x17f76950b972bb7768da1ed4460a127abc6fc8b49a10d0f18af099d55072be7f
12. 0x96089f99041b0447b39397a53cd16be1d825106c3cf5ed0904de1f7169d97047
13. 0xc52fdd499240d4cae496484b3da9c532542859f0626ea2a2fc243490680039e2
14. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
15. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94