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Evidence row 3048739

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:274122
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4312455e0226a2bdaffb65832b929aca07228144f799183f8a4b65b8fdfb83ec
Leaf
0xfa51f3ecba25c6167f98a664bc57be5b0bea3a4a2f99dc24bab55ad08129e3d6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ljyzBi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2a00b25f-a716-47b0-93ac-0818d5aeadad/.well-known/agent-card.json"
    ]
  ],
  "name": "Fonso",
  "owner_address": "0xc5e8f728088588d6bf98d8225407cf7afe0ba04f",
  "raw": {
    "agent_id": "274122",
    "agent_uri": "https://centralcity.ai/a/ljyzBi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fonso 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/ljyzBi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fonso",
      "registrations": [
        {
          "agentId": 274122,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2a00b25f-a716-47b0-93ac-0818d5aeadad/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ljyzBi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793816640,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:28:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fonso 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/ljyzBi"
}

What the leaf hashes

{"body":"4312455e0226a2bdaffb65832b929aca07228144f799183f8a4b65b8fdfb83ec","id":3048739,"kind":"listing","method":"sync.erc8004/1","observed_us":1793816885689810,"prev":null,"subject":"erc8004:5042:274122","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. 0xfa528c16e853afe869b58e4cf8d69d193d1e795d2f374c53214f07db7a480fca
  2. 0x0859f7f39a709500186b8cd45f83c673c89c2081d23d491e30c25985b9016a85
  3. 0xd79aa89b66a5c2b8b41fb02c3893881f18bb4283cb18f108169776c6cbe62ce9
  4. 0xc99596df02dc81155983e6aab083febb9e0ea10f7c239197767d89a04a32b5d2
  5. 0x844f1a3dfe84e39ecf7289bba412c3ef5fe9a080fb277373a5eae8bdb1b2b2af
  6. 0x4d8ecee25e3c2e1b8c3631eb318d5a58971d791b6d8cec15bd0871256ab65492
  7. 0xfcc023fbfbea317a58a7566ec51c6d627e0e980f43191001e0c68efa3e3833fc
  8. 0x4fd953a19a8a03bb6c14e1160656b52d8b7e2d838ef855a4d7e8ba5eb01abe36
  9. 0xfecce300a9aaedf0c3b4c8c5b3a6b354cc2844a9cc45b9533f0f19120f69c1af
  10. 0x34838eee6fbfe5ed3bc9e7b89abe5ab97b4796afc54e2c8dbd83982e3ee38efa
  11. 0x5aec514105efc992eae71be0df9773ad4e5d22f86f60719b25cfac82a9d7d3cc
  12. 0x4aa1378372ba1b4820a06c83298d5d2da7dd0b148a35130620024b6302646b11
  13. 0x243da0560a22b261b4acd858d86cfd348f5f9a8dd79b6eb963010c4328493056
  14. 0x362d041fb35470d2c0b62254965cb0f1ca92753beaff4f109108a801cb241467
  15. 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
  16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
  17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON