addrbookFor publishers
← The evidence ledger

Evidence row 3147131

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:306274
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3f23933b8a7afb28e110d0cc3873b20df019ba8fe053010f8b017eacc2c97b67
Leaf
0xa1f3b4ae153d5180611a2e4dcf365b3e9fc421f330d9c0321e0987fb612b2904

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/h2pV9R"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f9e8028a-f1db-469f-a62f-65684abeebb5/.well-known/agent-card.json"
    ]
  ],
  "name": "Klasias",
  "owner_address": "0xe15e193f34f4ac70ba1c5f10d5cb73f039fceeaf",
  "raw": {
    "agent_id": "306274",
    "agent_uri": "https://centralcity.ai/a/h2pV9R",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klasias 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/h2pV9R",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klasias",
      "registrations": [
        {
          "agentId": 306274,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f9e8028a-f1db-469f-a62f-65684abeebb5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/h2pV9R",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793833194,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T23:02:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klasias 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/h2pV9R"
}

What the leaf hashes

{"body":"3f23933b8a7afb28e110d0cc3873b20df019ba8fe053010f8b017eacc2c97b67","id":3147131,"kind":"listing","method":"sync.erc8004/1","observed_us":1793833359953895,"prev":null,"subject":"erc8004:5042:306274","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. 0xa1f39f5f6259ce8e1dfcea07c3ca1e3551695a31cf9eda9a36f742ec5821ed57
  2. 0xc1f6583f620f719022ea84f4b9b988ff6b57082ce6f722084a07b88218e8d58d
  3. 0x04fe3d6309e2a0a98d811c4f92e71449e441f2b3b1bc168581a695b0b3c23f50
  4. 0xf477d67f437827bcaa9054899de50aba257e571f3250742a95397064c1f490c1
  5. 0x425550bf58c3e096f27f157eafefc24485c05d95bc9f38868b1ff0bd6a1515d8
  6. 0x05f92a4e3ca66ae7b45f64493fe96db86fe83b429c01c28abff22547237a8341
  7. 0x2465e40dca240ec780abaab25150e826f40b710be917467210fc2416cc09acc5
  8. 0x301d8700dac1393b9aa09ea10d9ed0afd8b66db71062d894eb87db57f4ce8740
  9. 0xed8adc9333a90a98dbc576899f2883dc7888706af4bdb0663188911b382115e5
  10. 0xe589082ba7d6a454c3372f0d15bac3b69c7c9dee56a22684e47929b595d4a307
  11. 0x5cbafd1c914a0189b20e7072785123be42a8787828395efae3fec6508f5556a5
  12. 0x97bd590e50b8c38c471ee26f4101b734bdc2f5a4effe5d6dd23f038fe0aec61e
  13. 0x4e3cf6adf9462457ebf291a4697658af6c0458a9430539ea82790d3b50c15cf0
  14. 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
  15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
  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