addrbookFor publishers
← The evidence ledger

Evidence row 2604321

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190977
Recorded
Previous row
#2604059
Body SHA-256
58a07f8e3cb8d0868c5fe71fafec33292fde643036002713618f7362f0073596
Leaf
0xd4ba284db754683f32d15625985fe6ac9fe47bf448535d64f194664d90ba5daf

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d4roTs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f04f1a75-c822-4bc4-896e-ad23c02b912b/.well-known/agent-card.json"
    ]
  ],
  "name": "Hubeon",
  "owner_address": "0xc320cf6ecae7676abae5bea68049e44035c0bad2",
  "raw": {
    "agent_id": "190977",
    "agent_uri": "https://centralcity.ai/a/d4roTs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hubeon 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/d4roTs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hubeon",
      "registrations": [
        {
          "agentId": 190977,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f04f1a75-c822-4bc4-896e-ad23c02b912b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d4roTs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793719786,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:32:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hubeon 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/d4roTs"
}

What the leaf hashes

{"body":"58a07f8e3cb8d0868c5fe71fafec33292fde643036002713618f7362f0073596","id":2604321,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719929385324,"prev":2604059,"subject":"erc8004:5042:190977","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. 0xd4ba1ec592be4cacc7e694cc298b3489b08a7c7c27c971c1e0358f56ba28bd13
  2. 0x283b384740019c232193d7cf6fd36ee4bc4695615869a7c983eee66b82466593
  3. 0xf1bad0cea3aff011881bb70789d63102a7a891aa12aac5c1385e98b8562347da
  4. 0x286dfe6e551297f0774297308064d511ca7ff284d344a5a7a30e2968df0b4bb9
  5. 0x70ee48cd24a4db4cac3adf6fc47dcda18dfea809a030c895921cb34a16236e1d
  6. 0x4790d74dcf3a2e0b560a50d8c0147379ad41055765882d8922b058f15823d063
  7. 0x9a05ab4fdb6143a5da9d8af80879d333e56cb316ec062268a5af3440219bf34a
  8. 0x344a2c6cd56a43b8802a7054874117c8f4864d98a84ebe1d5ea406c69759ffe5
  9. 0xb2337dbdae56f6ef53e30aac5a6cc86b3f44de785f2313a34499e24757e138d6
  10. 0x7c1bae7f0d5edfbda0192e7849b849d1ef98def19da0ba1faf3314d705ae1ab0
  11. 0xa5de4fa25b064759dfd6c4892f0997754cebb4bd70d12c6461e6941c2e4860f6
  12. 0xbfd907b41fc4fb0f8910695809f1797d1c8b149f937affde28688b8121e34dae
  13. 0xce9b3265fd4a1a5e8698c5c73a9e511cda70851e8acf6892984553578379a29c
  14. 0x18c35417f7b285121a68d43297e370931a92ea9fb5a8410afcf7e021d5ec8b7e
  15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
  16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
  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