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Evidence row 2166732

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:108777
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
48f3c1e6647fcd0e7e0296f96177b9b142ffef87e9fa65afe5df54e2295f5d20
Leaf
0xd420a4e56f5ce502e1cdee7fc612541df7a42f23f8866b22ea88c396d24f8412

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0YnN4a"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5640a608-8f61-4372-ab1d-5ba7ba7787fe/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosan",
  "owner_address": "0xd18c25c0e1122a63c3ff097721ae51603b0e7d6e",
  "raw": {
    "agent_id": "108777",
    "agent_uri": "https://centralcity.ai/a/0YnN4a",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosan 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/0YnN4a",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosan",
      "registrations": [
        {
          "agentId": 108777,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5640a608-8f61-4372-ab1d-5ba7ba7787fe/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0YnN4a",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793634411,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:48:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosan 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/0YnN4a"
}

What the leaf hashes

{"body":"48f3c1e6647fcd0e7e0296f96177b9b142ffef87e9fa65afe5df54e2295f5d20","id":2166732,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634527166607,"prev":null,"subject":"erc8004:5042:108777","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xd420737d79d4ebcdbac468ea99d5835dc5180518ada7b40d001623668e089c30
  2. 0x1c6e4dffce15190d00e58ecf9f3adf16e0769abddfd5f77ddd19fb45a4152a24
  3. 0x8c408ad7949aa456212a990a8aa63f935d7401b6f9d065085a709d3bcd2357f6
  4. 0xd1933c8f2dd96c94f3d73c6a46075e0cac347609d65f50f37b0fb077958f73fd
  5. 0x0bd45a35294b5e45956a751a01eb691ec475f5b9370fee69a8b3cf3e10f0b00f
  6. 0x4fac9b80541484062d9a2901d672a2a4d87122a9d4e362fe6adf47dc3f242734
  7. 0x57688e4c3202d9349708f3d4e1329a38fab70d58587300eea81cd0765b2eefc4
  8. 0xff0ec4c990906e2b9263835631222866cf468a39322c71d68d61039ccfc649a5
  9. 0x3f0ba1f687438efe1f398f421463621db200ddeec4fdbf00cb2bc25a2560f59c
  10. 0x015251cca3da3a80ce90c7d8f2a8f6e388d12701d262b3b6c811c075a714ca86
  11. 0xc2a481d5f60b6f449339877d8c090811dfe619e618357aea853d842a79e28e18
  12. 0x072692234554b97382d37c92218486722ec2bf70517ce099e4442459f16a2b2b
  13. 0x6a9bee5282acc64846540deef79ef327521ab20b00328c4b297bc96a5b4036c5
  14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
  15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
  16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON