Evidence row 2725205

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NL0BIn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/089595fa-2231-4d90-af72-b3acaf22d89e/.well-known/agent-card.json"
    ]
  ],
  "name": "Histel",
  "owner_address": "0x628c0807d613878cb59b1c167a739b834030feb0",
  "raw": {
    "agent_id": "210513",
    "agent_uri": "https://centralcity.ai/a/NL0BIn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Histel 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/NL0BIn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Histel",
      "registrations": [
        {
          "agentId": 210513,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/089595fa-2231-4d90-af72-b3acaf22d89e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NL0BIn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793747177,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:08:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Histel 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/NL0BIn"
}

What the leaf hashes

{"body":"cc3f8686d1a4daad1a19abe01aae4c4ba6a7bf84f0ac7abb9005893799522e48","id":2725205,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747315654505,"prev":null,"subject":"erc8004:5042:210513","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xb6b431a17b34b3a77dcef4e3c2d8641f5c1c6439a30bf955e8c01fcf660f527e
2. 0x234faaed50f9b32f3b858ce4f9165b5416081d9abb8f4d139c03d6ed7f02bf0c
3. 0x64fae602b780d1bb161eb14d82e2e40f47de83e23e26c8d800885952bc340038
4. 0x3c68e1cd74a2ba6af1246c543e5ef6e215d778ea22621407f2b562c25ac06b02
5. 0x9b6c3680db306c202e3484a60a37557714a468ae60841e0f8b273368aa42fb5f
6. 0x87b107b8e714dff4c24c0646c96544f24abd497a3edcedc4f65afe87c5a6bf53
7. 0xbaf50ac6b11a1b93c958f321965bcfdef5dae695a2f4c18cb5bfcdd229b7d199
8. 0xcad397648c82b44f918c45d0e258c667b107ea820cd3dd8f63fc5a6671fe8979
9. 0xe1a90d65a8ea74ea50caa057c9bdff614d2e1d1742a2aa095adb2461cd3423fd
10. 0xd58ea1ca3d8374e87c440a11d76986335b83f688856b2e07ad17eb86f3abe682
11. 0x7527b6f6da8654ca1d60ada92ff6c0c1ff01a1746f75c9d6ab6c6c895ec9ba93
12. 0x8bb39b2edae4644391a8e85d6dacbc2fed4d19418ebd54176b9c88b8a3c2a1cf
13. 0x7177a2d4d7e26d090279db4f09f90547c14d3dfe27b339cb6b3b812ef7172d44
14. 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7