Evidence row 3464976

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NY5mU6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7429db58-1be5-41ae-8abc-81ce8ba44f3c/.well-known/agent-card.json"
    ]
  ],
  "name": "Niokik",
  "owner_address": "0x3f154c0363c09a0616d54ee477d40e1689d0171b",
  "raw": {
    "agent_id": "356489",
    "agent_uri": "https://centralcity.ai/a/NY5mU6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niokik 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/NY5mU6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niokik",
      "registrations": [
        {
          "agentId": 356489,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7429db58-1be5-41ae-8abc-81ce8ba44f3c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NY5mU6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793916632,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T22:11:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niokik 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/NY5mU6"
}

What the leaf hashes

{"body":"977eb351d02a1c3907b99c10e8920cf185e3e593aee7cdef3c6e65d6543f1cf3","id":3464976,"kind":"listing","method":"sync.erc8004/1","observed_us":1793916711228893,"prev":3464560,"subject":"erc8004:5042:356489","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. 0x77d93596171ad82d71466de03e7281195478bbe797bf9a0ed42c3695a93c9792
2. 0x4d8c1bbfaa80c70f1af8e0f4af250392e5431254d484a0934ef134decb163e16
3. 0x7aae6013c33a739378e999bf89a89d3daa220c693c64b28d49c9718b9f6ed0f9
4. 0xd1ffb0b9b1959b94e84fccdd1974256a438848cda2d8f569ef56c6dabef2f318
5. 0x9ee6a9879b8a7b4a9868988f961c19435aaa46bf6f2cb16409dab7d97b02bacf
6. 0x247531b9d9353040c564a6d2e1188ff024c4654d3b10693b59bf0c518250978f
7. 0x2bc3cebd71b69d15e7b6404944202a7c5f8547e22cde593b3ffb5274456c2a0b
8. 0x9b78a25be4f19135d125c60e87115818c6592caa3d2c9041acd62eed6981396d
9. 0x7ece1c462ddb243d3d1e4bb5723c67a1e8fa2a52ec1315652d267e7006c02e20
10. 0xa88b8807d170edb253d909558d778af3a1117b0f710e83032ebaac2813292e65
11. 0xdba61d581fd211510ada6be0e984e174749efd47767ab7f0a2bdb412964fff36
12. 0x42c24a22da75076c0891993d6affcedead090bad924d30b37f565b1feaa0d0fd
13. 0x9f49ee11d75e9de037d8212c931305c83dec9cf9fe02f9b12237d47f9e7bf49c
14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94