Evidence row 3392095

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/72ndm1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/737eee96-e6e1-47ac-a460-1277e8f3eb59/.well-known/agent-card.json"
    ]
  ],
  "name": "Piampon",
  "owner_address": "0x8ef9b4f7194a87d5923ec30550ef899e682ca37b",
  "raw": {
    "agent_id": "327713",
    "agent_uri": "https://centralcity.ai/a/72ndm1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piampon 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/72ndm1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piampon",
      "registrations": [
        {
          "agentId": 327713,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/737eee96-e6e1-47ac-a460-1277e8f3eb59/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/72ndm1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793879874,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:03:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piampon 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/72ndm1"
}

What the leaf hashes

{"body":"2801620ccd4caf8a5aa974801b1830eb9446f4c8afa97e9f897a43ad56be679c","id":3392095,"kind":"listing","method":"sync.erc8004/1","observed_us":1793880192591490,"prev":null,"subject":"erc8004:5042:327713","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. 0xe6d8760118a62f7e0de74a54095e31b2e6bd3a42b298b061fc358b92a0a0ff6a
2. 0xc7bc3fd9fcfd6a648e1cb2608aa3a528f5a6b90d92e821f00261b2f5ff7cdb06
3. 0xa537dbcb6f15adb33b3a38cc79ed1e9267efe98663520cb5d4fcbf3c7536eff0
4. 0x7bce14e1c8967b9b37ab3465dfc4fabb50602a1b95b91828fd4022c138f59942
5. 0x959a0e98e5d3e36cfa387676c010c14928570b060e88070101da106a98266741
6. 0x2dae2bf3d27fb46aca79517248fc615a1b3d3f1f630c53b756436857d08e709d
7. 0xe705806e7110867fe4b488074a65043002c5147ac10391bc78ea0481333b1959
8. 0xc405a5f1a36c4ac75110650eb08bba0c622fd1c32e15f263f7e6e6a3eb9b69bf
9. 0xa04affdf5270b5757159a470ce4626bf3017b9ffa3b080c6d5f64b7893641a8b
10. 0xdc889132d94a9db362bbb5a48b421c4053a6534dfdbde24ebd64dfdcc4f6ff72
11. 0xd736815cfe59b1d4b3e7b1ac51ffa0396bca14ac43b30bd432925aea41898504
12. 0x708788b34c6821ac88171083ae667e72dcb323e05ccae96f22042f571d8ad44a
13. 0x3462d641429cec10c8b5b5ba021c51334ad8d483cede88120521fea301eb9622
14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94