Evidence row 3481253

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/TEuRRo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a2260a99-a114-4613-ab3d-ac1a27f45628/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiakoban",
  "owner_address": "0xf143835b8009288c9b597ffdd93a04c663081b42",
  "raw": {
    "agent_id": "362290",
    "agent_uri": "https://centralcity.ai/a/TEuRRo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiakoban 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/TEuRRo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiakoban",
      "registrations": [
        {
          "agentId": 362290,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a2260a99-a114-4613-ab3d-ac1a27f45628/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/TEuRRo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793925456,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T00:41:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiakoban 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/TEuRRo"
}

What the leaf hashes

{"body":"5d2e7acc677b9b591f8bf09c1da39fbe86dac775e696962c5b2a2615fb7e4d8c","id":3481253,"kind":"listing","method":"sync.erc8004/1","observed_us":1793925686109799,"prev":3480923,"subject":"erc8004:5042:362290","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x204166928d402181dc361530a015a3f11aa214b6935f0b007f352de7fdc7d3d3
2. 0x86af14f6df9a898378a420c3a0a37f5df40424b7d9b92df12304f4085bd20caa
3. 0x95e01e891b610735f35d0b63364f95bbf95c81486f2ee41dc63f5a087bf3ffb4
4. 0x2913d7bc99e7266e2f7e02f2390c63fe931b1dee2f9e0ac9ed94934ed81290b2
5. 0x9d80359f0fe2f1a9193b4fac851faf62d7c0a845bf75c288a728f475f10a83aa
6. 0x2a389bfa8e5c144ebfcf617207115b3d0a846055210b76e0f4aaa06d9284c51f
7. 0xc3d155abeda44b728b599ce1d1a267791569af4841edfc6b2b3f1b48088427d3
8. 0xbb7ad5291ca781208e3c3fc6856cb5dc5437515f967eccd0af48279e9052ca73
9. 0xa87a9d8a9e774fff6d861825a8336200c6df5857372e3c8d65d247c24f3652e6
10. 0xead2ed5fdda73f688b6d4a412fbbd1495a9ed3d30569dadf35b9ba404db553e0
11. 0x60ebcc49fe92c048e2e09f4cebbe9e9aad3e410598726b65d20b8083bdf927a9
12. 0x2712d96bbc03cfe1d2563129cc6e8172c8f1f652986a5baa01c71ea12986915c
13. 0xb4c69343b22f2d7ab818464af79dc568e8aa4fc1673ee1f934d83014bdf8d32a
14. 0x81d6ec63cb4df174d42a42d72162141e82dcafa9c256793b20cc12205d8d389c
15. 0xb490b9bc961e5cbbfaf890e393a2eb3d2518e080e0a107acd232486f34cf7408
16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1