addrbookFor publishers
← The evidence ledger

Evidence row 3014492

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:252252
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
799d59c1dfcb9c872fd17c0351c9736ff1dd82886c486249788dd45a71231209
Leaf
0x0df9af8d15c181f75d2673d67babc578be533b38e1afb9d7499ef8c347873b20

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ocysra"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/687914eb-4dd9-49f7-8b7d-5af559137c57/.well-known/agent-card.json"
    ]
  ],
  "name": "Krossan",
  "owner_address": "0x32bef5b190f88348f09abec3c2d7c40eb1eb038f",
  "raw": {
    "agent_id": "252252",
    "agent_uri": "https://centralcity.ai/a/ocysra",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Krossan 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/ocysra",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Krossan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/687914eb-4dd9-49f7-8b7d-5af559137c57/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ocysra",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:11:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Krossan 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/ocysra"
}

What the leaf hashes

{"body":"799d59c1dfcb9c872fd17c0351c9736ff1dd82886c486249788dd45a71231209","id":3014492,"kind":"listing","method":"sync.erc8004/1","observed_us":1793801497860109,"prev":null,"subject":"erc8004:5042:252252","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. 0x0df9b522c288d664be889a5e3e1314660ddfb55344995f9996ef57e1d3a7a0b4
  2. 0xad42f765e9eb71a5656ecf2dc54658a194f250ed1c51307df85f9547808124ad
  3. 0x4ca0fa0283d2b744ae51f760595df45c1ada029929c051163cdfb399599389f9
  4. 0xa03b45fc311091119718558fe8f9005dfa7730863863f81167d2a4c6131335db
  5. 0xb03c5e127ea4e9e44bac06f5213a34784a4232a489a1ed4bda2e8070129fa271
  6. 0xf0b7a0aa96bbd522151a0cb70aba68ee5b838119741769208d8beda739645e43
  7. 0x255f5e3856017b6949c1a1fe5e75294cbf22fb612917ed50371682997f319b5b
  8. 0xd9dc0d6f8343157c32714379570b61f60d9966025c76ea24d3dd44ebe35d2f48
  9. 0xa232fce6e0a49ef3c6881f537f60c57bd75695cceb7eee51108fa041f7d2ed4f
  10. 0x8b700696cffd1f134e5730b1bfc4007da45cb9eb85fbf1a98851d40a4af915f7
  11. 0x5186dfc2eb4df8df17a824db2c21f9415214eed64237f3624990ab9356dd90bf
  12. 0x6e5c957f09b0fea2af7399adad55cb1a494381dbbf53c6897d7123306a090e1b
  13. 0x560a8d8743921e358ac2d2544ff4017f04fbb620889d08b703ad6a8cbb302913
  14. 0xb44c115525799df7784dd57375ef033a43e7f44d7f0a962d5e8c65f7f052f0bc
  15. 0x39999cd980e41ec2b00689b8f721fe6463b8366a077d7faaeed19e6514cfbac4
  16. 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
  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