addrbookFor publishers
← The evidence ledger

Evidence row 3037853

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:267680
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f1b5d87c2a4c5fd5b8c0015795024841261c859c405a2e6199c93bbddec37989
Leaf
0x1fa81cdb6b41ec9ff284df5a77ca5350667e8bfdd812681fdf2b249d1d90f11a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NpiwlY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/32d2209b-4175-4d5c-beb0-6ef3fde30dad/.well-known/agent-card.json"
    ]
  ],
  "name": "Nobontano",
  "owner_address": "0xefbdd0bbbee5f1115858e7abc4fd34a7eba97fab",
  "raw": {
    "agent_id": "267680",
    "agent_uri": "https://centralcity.ai/a/NpiwlY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nobontano 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/NpiwlY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nobontano",
      "registrations": [
        {
          "agentId": 267680,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/32d2209b-4175-4d5c-beb0-6ef3fde30dad/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NpiwlY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793812365,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:15:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nobontano 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/NpiwlY"
}

What the leaf hashes

{"body":"f1b5d87c2a4c5fd5b8c0015795024841261c859c405a2e6199c93bbddec37989","id":3037853,"kind":"listing","method":"sync.erc8004/1","observed_us":1793812515031043,"prev":null,"subject":"erc8004:5042:267680","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. 0x1fa811916cb7a96de3c946962ff65851f51230164c88aae06bd7eed78e1f86c7
  2. 0x8a4b1bdb8a8eed211b124032a326427d45f6f634ce889b276f7162185eb2866a
  3. 0x859b0f895ef384e449d30ac4a582748155f1ffc5a5cc02c259bf33799c08076b
  4. 0x5adcc0d74e6145b3aa7e08f94408e722930a9612d4b852c11e713aa9d59a3d29
  5. 0xc788a7d34439d3afac2ea03e5bdd5f84bc81a279bc712575b2c2575ac6d7650f
  6. 0xa145bd1b70be27d1471441482ab0420e9da475b766d0fcbf9531488f44d17140
  7. 0xe45a8c4e14374adb833ba2cff2e79dd55ab3889745c213cf476dfa84a32de931
  8. 0x28d6ddd4f3bd41f0cb3dec4d339c8f99819e8b48b3390e3c37c47e6fb0501ff6
  9. 0x403f0fe4fdb229dd9ebb6bddd36cd968e873d7ca672bd620fc15a71efcf45276
  10. 0x2e322213a31cfe91ae2ff41227cebb9756534c7886da641aac5ff704ce335081
  11. 0x02db922a65e31bd1abe1c4682fb65def47be5439f651f8133a11947997bf2f9f
  12. 0xe15962f8aad036e2c1acb3f60debf8b1dfde962d0f96a73841e46ec343130236
  13. 0xf39ad38791749ae94d8b43d93155884153da2ed6d8af13f22de90795709b34f0
  14. 0xd5576f8b7b71ad8f963970f922fc9f5477ebb72a69425e5f0eceef6203a7981b
  15. 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
  16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
  17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON