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Evidence row 2567046

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:176849
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b7f0239299c0d17267690c94c5f6049813f064e028c2a0ac25e45ea6c70abf28
Leaf
0xda090a438c2f0ce9a81fc9d77949584f58423f82869ffa5d4e315b288d0e4e4f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HBbFLF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7031287b-a0b7-44d4-b6b8-5ade35b78ee6/.well-known/agent-card.json"
    ]
  ],
  "name": "Lansa",
  "owner_address": "0x8b0a935e35585a16b2365a2b87f5c4591c9e5e60",
  "raw": {
    "agent_id": "176849",
    "agent_uri": "https://centralcity.ai/a/HBbFLF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lansa 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/HBbFLF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lansa",
      "registrations": [
        {
          "agentId": 176849,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7031287b-a0b7-44d4-b6b8-5ade35b78ee6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HBbFLF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793702177,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:38:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lansa 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/HBbFLF"
}

What the leaf hashes

{"body":"b7f0239299c0d17267690c94c5f6049813f064e028c2a0ac25e45ea6c70abf28","id":2567046,"kind":"listing","method":"sync.erc8004/1","observed_us":1793702333665230,"prev":null,"subject":"erc8004:5042:176849","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xda0919e498876ceabd8cce7aceafaf2576dd989f4f3b0f0e540885439a9583e7
  2. 0x4afd8c41be4431f81eb354bd151dfa2eb6c2b3e12204199ef1f633ffc25b062b
  3. 0xde9ad0d34d887c2969e9a3a9aa08dc4413e74f70f2462ac34b8ffff5dd3c31e6
  4. 0xd5c31978b39e366a9b3403cdd55e5727ce28c5b405d51e5f832041487683f219
  5. 0xdf1e59a94c1170850dbe1d2618c07f959f23307c8e6f36da542370e8df0b4de0
  6. 0x85df849c91e991cb659614a1762debef8afad03e1bdef95a35a4eab6eaca289c
  7. 0x12ac3572e71187da919a5f3227269929459b2590a09011a1163416413b3db91c
  8. 0xed5ea1bf54396eff80f0256eb5ae47ea0953c5217ba66a34949c39861a44615c
  9. 0x23e9a7b8e87f4d0a8436bbcb5ef83b8149dbf526732142cd62f1f9eb72e45949
  10. 0x661b9d52b9162a7d8761d18a66c6b740bc60915d6e7a7102f322591aca565e70
  11. 0x5dd8fc875a8b23b0f9572c9c6cb4f4843ae5b16f63d90ea0008ced03149f10b4
  12. 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
  13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON