Evidence row 3450385

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Mv68w5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3de97d01-69a9-467c-924d-cbd4d5695912/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkon",
  "owner_address": "0x5f239924b650e2f000c8840961fc5a68a3f9ab0b",
  "raw": {
    "agent_id": "351672",
    "agent_uri": "https://centralcity.ai/a/Mv68w5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkon 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/Mv68w5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkon",
      "registrations": [
        {
          "agentId": 351672,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3de97d01-69a9-467c-924d-cbd4d5695912/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Mv68w5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793909065,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:05:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkon 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/Mv68w5"
}

What the leaf hashes

{"body":"d52a4980857ca6efdc6f168706920111d5644a92324812d3d2909b00f6c9401c","id":3450385,"kind":"listing","method":"sync.erc8004/1","observed_us":1793909117280230,"prev":null,"subject":"erc8004:5042:351672","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. 0x98b3230cf86cb921c9157fb972a12478292b4a7e5ac0fbcb3519bb8b98807390
2. 0xec4ce3768220f2ba730f8a854322378cff134f1dd4faa31b3c308db370868c91
3. 0x5e31a17732536bd2c40cf89697d1680f32dfb339d2c152541211841b07456f4c
4. 0xbf4f4b6dd36460a27bc4b642c46d2133178940b262d073d0e6411572ffb83cb5
5. 0xcad79606f1d0b4ffa2d228f3bd18db5a6b9aa34c75dee9738fddb12f4c239198
6. 0x082175c0f5aed896061965e80efca8ae91a7828bf75ad59495e85e0b462f6706
7. 0xf2cb721c013939be573f10f04f5cc94ed7499a3d2606f0177ae734c1ce4a7979
8. 0x364e2fbb7081ca12e762a9934900c3602e8682330fb0504704956bb0c52b69e9
9. 0xb37043880309e2462989e0353d61bb3d9f90f9ecef3d8bb258e99d46fe546549
10. 0xeb1ef842037936cfcbd4b05c69283703b76c5278695d2e043ea69ceba858f766
11. 0x24571501b0af3ab3411c5d1e8fb87be6592ddaabf74a6079f45af6f53693f5d3
12. 0x1f0ff48f87b7b133e5e5b7c14571fee2585d29ed58b8e8a731c9b3a5ac469cd1
13. 0xbf751a74028033cca1ac40547fae587eb2c92fbf44be64fc4ef59b43e3203be0
14. 0x5c6e3c27e9a4903fc5bb83db04b473a90d793c8aaff5c480fad105e530755408
15. 0x8d4c57bbc31050ce925844401ecdf17b888da2f6d1ae583a863bdf84d2854302
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94