addrbookFor publishers
← The evidence ledger

Evidence row 2728090

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:211630
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
71f89f16fc2b526bdeb2314fde699ccfbad4b55007615c73fbe89eefbee14395
Leaf
0xd9b97e0563addcffab1cc0f53601905e67debb13959335ce083fd7b3d61ec084

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6bniOJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/61f406f9-c3d1-4ce4-b23d-1366106ec0bb/.well-known/agent-card.json"
    ]
  ],
  "name": "Tuba",
  "owner_address": "0x4da44184a454bb37a2e5f5333534c4e2d6a57a98",
  "raw": {
    "agent_id": "211630",
    "agent_uri": "https://centralcity.ai/a/6bniOJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tuba 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/6bniOJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tuba",
      "registrations": [
        {
          "agentId": 211630,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/61f406f9-c3d1-4ce4-b23d-1366106ec0bb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6bniOJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793748483,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:31:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tuba 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/6bniOJ"
}

What the leaf hashes

{"body":"71f89f16fc2b526bdeb2314fde699ccfbad4b55007615c73fbe89eefbee14395","id":2728090,"kind":"listing","method":"sync.erc8004/1","observed_us":1793748661267184,"prev":null,"subject":"erc8004:5042:211630","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. 0xd9b9d7e004cb140fd4060a2cbcca8dc705f73b52eb33508f018060d448c5bc53
  2. 0xfd9a72b77cdda1b077c251703ecdadecc14445e9795136510d99baffad2039f3
  3. 0x450f4ffc3debe061898490e0762c36c1f372c25eff80f60e332ab4dcee96d50d
  4. 0xc94058d919ee6778e0f647f180be8b2ec8bdd1c1d354494caecd08407bb4c435
  5. 0xca3091485b43b63af89c4db580b312715b5c80146ed634cce33cb359fb23ccbd
  6. 0x1a4373ee22c628c6cba385a41f53a1f75f7b06028bd2b9f2afb2c32d00b7ac96
  7. 0x62976e59424d5733181480671f8715f8b146852b197c93ecce9dd8cd4b88097f
  8. 0x560fc8aaf13348e08cdc6ce36c7439a1141c2743ef5562df544a194c503120ff
  9. 0xd655b065c4aa4080ffdfa044b725eaaf994dc5bd968e2a616fc6b41d878db222
  10. 0xf3299704523b9ebe462869650c0a372e94888c5527f6afd1a7739d6415b226e9
  11. 0x5dd8fc875a8b23b0f9572c9c6cb4f4843ae5b16f63d90ea0008ced03149f10b4
  12. 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
  13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  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