addrbookFor publishers
← The evidence ledger

Evidence row 2936715

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:221632
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4990ac594a60410251cd2e5ddd24414dcf4f219b9e4b80f9bd690f64d388df86
Leaf
0xb17241fbbacf33d6bb0032c7f8104a61f140cdb913abf9b6746a2023311bf7a9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IyXN4V"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9a8df63f-13f0-4404-acb7-385e4920d325/.well-known/agent-card.json"
    ]
  ],
  "name": "Grefondo",
  "owner_address": "0x81b49158fe72163d13fb28c1486783e24b9cab1f",
  "raw": {
    "agent_id": "221632",
    "agent_uri": "https://centralcity.ai/a/IyXN4V",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grefondo 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/IyXN4V",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grefondo",
      "registrations": [
        {
          "agentId": 221632,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9a8df63f-13f0-4404-acb7-385e4920d325/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IyXN4V",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793761421,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T03:07:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grefondo 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/IyXN4V"
}

What the leaf hashes

{"body":"4990ac594a60410251cd2e5ddd24414dcf4f219b9e4b80f9bd690f64d388df86","id":2936715,"kind":"listing","method":"sync.erc8004/1","observed_us":1793761672807127,"prev":null,"subject":"erc8004:5042:221632","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. 0xb171ce71203d87ab9345e92509b7026186a3036a4ab1a23f2fed26e785047802
  2. 0xfd05c6ff7d617df7c60992528d5a22b5e17df2b06524a4831dcbcbc92d6d2862
  3. 0x35517f6be57083cfe6a1808b0ce3dcdd4d625b2797a43818b7cbd66183f987b9
  4. 0x1292d4deb8e599b352762ae322a85ac06d7663e3dacec2a93485bf487d11a302
  5. 0xa9274d51a5126813c1fb32440fb83d5751e7ea8106c4b770d79d82aab1cd4bcf
  6. 0x9762485b9e5d5edfef5a0eed2d6fa21b05de2f19a1a565fe1b44985426fbacf3
  7. 0x23b9a3ba1314cb5458bec5f4d38d0d3baab0978bd847b64248d00c8cec06472d
  8. 0xeeeb8d5b2bfaf1ce2956a13df827eaa3a42ab38147e38350aa30141074313714
  9. 0xcca7fdfc335e5b4fdbe837f4dfab3ef1f54b4bc157b23229e5e61dbe87dded8b
  10. 0x9377baf8d7525bcd3a6f148029de997610647cd9b2bbe0c2bd95f0513f89c9d8
  11. 0x5d32cb9ce5097219e3399af4c86fbb30e2e5b60f1de64df46de531c5ba03e3eb
  12. 0x8b3e675e36966d366b40845cdd8c2f6f294a1c1acd32663465d5faf7542c9f6d
  13. 0xe0c107caa77d5efbcc89600269de124b9669a0ee20ae1f6465c79cd503bfc9ae
  14. 0x1088369e34916a33a3c583323d2fc4f49164cbac20b02de75926f72398b939bf
  15. 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
  16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
  17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON