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Evidence row 3019024

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:254988
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b691b9bed4d8dec21a9b94fd2acd32bfc92db3805237b184d7798edaf44cce92
Leaf
0x250fb42a8d4f51640754822e30a4205b602765775c9181318f7f70cf62b5c4e1

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VPQvdG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/593cf651-e164-4b94-8c29-5155db93d293/.well-known/agent-card.json"
    ]
  ],
  "name": "Masias",
  "owner_address": "0x6bd88999ad66da23a9acc1a5ae2914398b02200d",
  "raw": {
    "agent_id": "254988",
    "agent_uri": "https://centralcity.ai/a/VPQvdG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Masias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VPQvdG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Masias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/593cf651-e164-4b94-8c29-5155db93d293/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VPQvdG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:52:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Masias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VPQvdG"
}

What the leaf hashes

{"body":"b691b9bed4d8dec21a9b94fd2acd32bfc92db3805237b184d7798edaf44cce92","id":3019024,"kind":"listing","method":"sync.erc8004/1","observed_us":1793803940105982,"prev":null,"subject":"erc8004:5042:254988","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x250fc01a93c12ad615899bc44a5e4f355d1d43e63290e185a671c7547d1144cd
  2. 0xe76f9fd793c7d15468e007f7c86d30cc187245a30c59a87b65971667a09d1eb2
  3. 0xd85f9df198d5a0d8a4ac5ede36b95f865e520873258ad64e0c5daacbcf955922
  4. 0x89b6b14e1c317c3ec825d4d5fb3df295857483d51505ba0e03f9fda2a2ea8079
  5. 0x7299aeca625bd57c9104ac96b40d232ee4816c4996a71c572cf59956ee1e424a
  6. 0x1f06ea83ba444ffc3954e874f61fbd21e6d3934028b0e2ef9f714bed456a8f67
  7. 0x6609e72d777af875e764d62cebd7e1ce1ea185a7d4105f507a64853214dbe721
  8. 0x9a5b1a96530cdb8c2034154bb82d5c93e684417c8910d278fa327385b81f6c8b
  9. 0xfd83a3a99315f0d3566eab691c4801be991172937a6d1de540c8a8ac570bdadb
  10. 0x05d8e1b99cb85622ab2a6aae008d3051cbd222e22fa3eb774cd608da5fe64c8e
  11. 0xbc8732c7bc511a75f2db6f5f15041720fd29f0f35ac2a95a593b6907013637c0
  12. 0xc971a3dc3e6ad2fc14264451910f59a1702c3aacb1c31bd2fe02806668814191
  13. 0xb1276e1f18f62d3b9c0a70be1610841483216e942feb1363145e3c1c0833d0ff
  14. 0x982622869faf0b6bcbb8f0ada964d53e5e1bc6926f14fa553ea0b7f41e0643b7
  15. 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
  16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
  17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON