addrbookFor publishers
← The evidence ledger

Evidence row 3140647

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:302380
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2755cbd700b74acaa1c37980ed3a54053eb8a8a57b9c815529291582da454baa
Leaf
0xbca6ce3046d30eee72569baa4896c84e391f955660c0b40335e8f33b8f7965d9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qNjklW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c2284754-d19a-408d-86e8-6b98b9d7e4d4/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumpert",
  "owner_address": "0xad9957bc0ab61759801ef21ac5a62ef99877a229",
  "raw": {
    "agent_id": "302380",
    "agent_uri": "https://centralcity.ai/a/qNjklW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumpert 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/qNjklW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumpert",
      "registrations": [
        {
          "agentId": 302380,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c2284754-d19a-408d-86e8-6b98b9d7e4d4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qNjklW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793830356,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T22:15:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumpert 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/qNjklW"
}

What the leaf hashes

{"body":"2755cbd700b74acaa1c37980ed3a54053eb8a8a57b9c815529291582da454baa","id":3140647,"kind":"listing","method":"sync.erc8004/1","observed_us":1793830541217009,"prev":null,"subject":"erc8004:5042:302380","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. 0xbca68c8e1dbd2e51ea0ec9edc80d48aff315d185de968e15af572aaf2f5c1f9b
  2. 0xee9197257709dccd869aac6317643598129d28b305a6fd38b10b7bfab10a7fda
  3. 0x77f26b0e382f3a52a9c8258291efcfaec5a0fb9c64a66c8d4f4168511fb4376c
  4. 0x7bf862dae48c31f33d32afde057935847217c2e1d7cae03b3526d776ebc690cc
  5. 0xbc970a25b65771d3a71f10d56f2b6e7185c92943982814fd4f475eaf7e868e4b
  6. 0xa420e0d7cbe949338bcef28d20d3ab62cd08e65bb33fb9cb9b1e0c940b273602
  7. 0x8486d391e48629d43a7ef3132efe9221e90d919dcc25e32894b2e018b85fd23b
  8. 0x2bc64e0087f387042ce5f151ef0235b8cb988910f2cdb1200f45f852d785c8fa
  9. 0xd5dd042d1ac76e8652b53683cb02278006a1d10893e2f591efbeeff44c56f8e7
  10. 0x9b846acbd20428b49cef92253acb3319c63ffb53dbc01724065626ccbc05cb0f
  11. 0xcf9a7ae5b6be900f8324a681f67c81e79cbfa54e252f7a13dcf6c82f623dda74
  12. 0x0ef46d0c7c3bb24d03e42b24dfeaed0c3d64fbb005df868195dbe0f08f1cce4d
  13. 0xdf752c6dc04fe0e73fc954996b5950ba893413cbd7696d4fe41593113e836358
  14. 0x9dea5c7479925cf2e1ad4e1767ebbc9cb4d95bb54724456ac92f7d0481ad791a
  15. 0x5b8ce88213ec1f540b9f554b597f6fee893a9afa0156a79c8474549158b8ee5f
  16. 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
  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