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Evidence row 2309090

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:144829
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a480b7e656321e722a1ce87546f8def92b4a5a08d52625cf9400c636c3189602
Leaf
0x1028afb937eaa4ffca37275bcf95a5d0d4f1e46d97c4d1bb19aabb129712f495

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WpEZEP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ea1d3bf5-0ab5-4231-8c1f-0e3434f46199/.well-known/agent-card.json"
    ]
  ],
  "name": "Massabel",
  "owner_address": "0xac0af35f894ff9f99915abdce43473d333cf4256",
  "raw": {
    "agent_id": "144829",
    "agent_uri": "https://centralcity.ai/a/WpEZEP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massabel 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/WpEZEP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ea1d3bf5-0ab5-4231-8c1f-0e3434f46199/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WpEZEP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:25:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massabel 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/WpEZEP"
}

What the leaf hashes

{"body":"a480b7e656321e722a1ce87546f8def92b4a5a08d52625cf9400c636c3189602","id":2309090,"kind":"listing","method":"sync.erc8004/1","observed_us":1793665522619558,"prev":null,"subject":"erc8004:5042:144829","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. 0x1028a5657d6ee6fa690200f7173893d8cf8dd109148b0797a4ef4a85dab4952e
  2. 0xa236790e73043fc3d24670a51e8f1ad2a232483f0599c5b5df7f9aa682d4afd7
  3. 0x7402aa6ecec350ee4ab2e2bc42c5fb435af8e95e89447b1a01c4b004efaee009
  4. 0x214d12a8174265c2f75d85b0aec586bf4448bd4ceaef2454d33a0ae9296b6f64
  5. 0xbc20048673278e57f00dc6fb799bc498357cfdb4ada2c2bbdabb799ecf13221d
  6. 0xa902424d47be42363310a3a2cf5ec3caab16fd4d732702991cd456fa40e8e734
  7. 0xd988f86be1b3fb7d504341e2175682fd29752da79294ce4317a74ebbb89f47e2
  8. 0x80391e91a8dd87f601333c9c7a44de80ae976b7a01392c6723ea0569130cb697
  9. 0xf6e356d9163e8aec8378086e2a743895ee312dc4f3e9b4f911e5d636d3945133
  10. 0x2992b149d7a26bf6cfc456bd858474cdcacdb73730a947ff7ac0c3b1d4a6dcae
  11. 0x54bd874e10ade4d243d54fe237d381f0e1bd259a66ff4acfe9606902b3d138a3
  12. 0xe97f7d4ac0a2ce636097d79a7399ac6b709a809cd77091e3291f6d41288a54e2
  13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
  14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
  15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON