addrbookFor publishers
← The evidence ledger

Evidence row 2579759

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:182483
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
6a933bf8019cbd96ace1cd179b4cce5daffedad9316b36e6a8f7a7535faae483
Leaf
0xc7bc4e034e990316aa5d61215a21c3fcd184e1a3e498b3a940f7d84a751c8af7

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7meDa8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d09bb137-7ebc-4af5-8ad6-3f9feb805c27/.well-known/agent-card.json"
    ]
  ],
  "name": "Nostel",
  "owner_address": "0x39afa13009a88a6bbc1b7e1ed48b65e64a403a62",
  "raw": {
    "agent_id": "182483",
    "agent_uri": "https://centralcity.ai/a/7meDa8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nostel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/7meDa8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nostel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d09bb137-7ebc-4af5-8ad6-3f9feb805c27/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7meDa8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:31:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nostel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/7meDa8"
}

What the leaf hashes

{"body":"6a933bf8019cbd96ace1cd179b4cce5daffedad9316b36e6a8f7a7535faae483","id":2579759,"kind":"listing","method":"sync.erc8004/1","observed_us":1793709087570864,"prev":null,"subject":"erc8004:5042:182483","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. 0xc7bc3a294d11827c36d3dcfcff989fae48333778cc1be77918d4e3f6cf5a84f8
  2. 0x9e3de43f440f44fe128a19b707e6b6b545ae883e75b843bf8bf2bd81c7c6bdfa
  3. 0xe4789eedc9f4909c5b2f487ce3997a9871206e4faa5269ae8b7b27c5b0c22aad
  4. 0x4f7ae9f06370e26999256450c7f3d1d277a737c69868044751ad783f8adea8a5
  5. 0x30c4597d3b36fd29e5899d5ec2a5226f59cd55b9c47e440534fc38f789029990
  6. 0xf4ea540c7f2d0eceef2d2ba41d935d78dd8e46962df05ebf62c11ebca2ce2635
  7. 0xb2808fb5207bf69c0bf14b1555d07362abc11b3d9cd2070d5e117a1b12347384
  8. 0xc0cd6e2f5974cb01b4fced58263785ec2bd65f7572862fa8009accd80454bd16
  9. 0x590b8651efa171e514963bfcf1b347e7579cb48b2b00d56aba08c7c68d3154e4
  10. 0x9071ebc0a2e253bf39ddedfec4336a30cc9b965ea901031cae30a0da64ce7c87
  11. 0xa7680a2300aa7f406fc3501cd284ff15f0bd9775dd2ab207321a9feb1cf49b8a
  12. 0x16dd40045e8f0cab53aa8d3c2d131ce041b4b36e5efa3f4a730eb95415d4754f
  13. 0xe7d1bc5a19c72da3374cf6c5d9af49dad33e112742ba8c06c04d858a1df1fc15
  14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
  15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
  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