Evidence row 3396775

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HBKbWS"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5bcb303c-9699-4f53-aa44-c98a8353a477/.well-known/agent-card.json"
    ]
  ],
  "name": "Brontus",
  "owner_address": "0x28c97c3789f2a9274239d0669fbb3813087fded0",
  "raw": {
    "agent_id": "330314",
    "agent_uri": "https://centralcity.ai/a/HBKbWS",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brontus 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/HBKbWS",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brontus",
      "registrations": [
        {
          "agentId": 330314,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5bcb303c-9699-4f53-aa44-c98a8353a477/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HBKbWS",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793881031,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:22:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brontus 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/HBKbWS"
}

What the leaf hashes

{"body":"8305015ae90a78aeb5c6d5c65311c49a6e8644e965667a8855954fbf5930b9ca","id":3396775,"kind":"listing","method":"sync.erc8004/1","observed_us":1793881340635542,"prev":null,"subject":"erc8004:5042:330314","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. 0xec4c326e574a8f9b0cb2af2b20bb4fc91d6df94376887b6a5c71580ff90dfe48
2. 0x0869ae26ae22a386c72cc4817f43c78efe5a4b9643064b4f44ccf7c0eadd9e34
3. 0xb9112e043f0b40ca3fa00b1e9bb4e0ab7b5f3b301f54e7f49c8016054b42a577
4. 0x2ced3095a400f69d3da8a7adb2e4cb6de49faba0bb4e818c72d23a5c1c7a2226
5. 0x71062718bd9ab414394d9f445044f638109d548b10a050c7ab903e0ca21ad12b
6. 0x35efe131b89bc46fe958a1505738606334051c1ef00b9713b77e3b4034b6dd30
7. 0x813f133ad9bc352ca262ffb6a7936585675558c47f7ae409b39f368643b005bd
8. 0xd47c97108f9c896a2887432c1fac815d4fdb29f3017d46eca749676f450bd1c1
9. 0xc6eaaa30e7998870fdc14aa3e627d6a939df7ead2685ce6bb0396439fbe90f01
10. 0xdc2977372470c08e70f9ecbd5a2ea3087ea4bbb2265a90b3fb4503f483c5a220
11. 0xbb95b14d8dd7c64908f1f9551e257184f985f2109fdab512a83d54bf9a575de9
12. 0x4b9c1a8b3c2ab4ddd307bf2a78c15fc75b64aa2c39982eb45ad6332be9a57195
13. 0x53b35126d12d937d4a8233f11b3e912279a6af8d8074654056176693eaaf1a03
14. 0xed84001e6f67c5df966efea1d4c436e935aff300dda7a7c21bfabca6d7f867fe
15. 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94