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Evidence row 3038212

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:268039
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
18539c11b4f95189bc454e23aa0b7d24156ff274a8b9d88b3fc1f1d819a16a96
Leaf
0x1b20c706bc1e840b7056230b7539712f2b08c9461f3dc75323899cd5f4ac9693

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yVzy7t"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5139718a-ddc1-4dd7-9148-fccb26855309/.well-known/agent-card.json"
    ]
  ],
  "name": "Mairabel",
  "owner_address": "0x4d2052542818ce40cca4a60d384fa39af04c88a8",
  "raw": {
    "agent_id": "268039",
    "agent_uri": "https://centralcity.ai/a/yVzy7t",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mairabel 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/yVzy7t",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mairabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5139718a-ddc1-4dd7-9148-fccb26855309/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yVzy7t",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:15:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mairabel 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/yVzy7t"
}

What the leaf hashes

{"body":"18539c11b4f95189bc454e23aa0b7d24156ff274a8b9d88b3fc1f1d819a16a96","id":3038212,"kind":"listing","method":"sync.erc8004/1","observed_us":1793812517156447,"prev":null,"subject":"erc8004:5042:268039","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. 0x1b20f6c42f67d2f0d9a2b4d0e2a3f6eb39a12b87f2d2355f088b07667b01326e
  2. 0xb57174f1d5e8d07b244c418378f04123c141b7c45755bdc673ab7e49e9555edf
  3. 0x8801cd72650675cd09c7509e9b242c182857620b24fa6ed8b769db9a6454e564
  4. 0x3c1ee11d774d09f62826ea73050cfa55e071b16b0a9288ddaae309aed30c81e1
  5. 0xde9276a26845eda18ff786fd9d374e814e0f3be6c81787386db9df9b1d8ee38d
  6. 0x3215ad253a10d453f7daa17a1949865bf8a403346d7e8f4e522aa2bf57cdb109
  7. 0x49f6dcd4e548c884a9d8d9966cd49d36546cd2fa67a142bb70608eeb28087baf
  8. 0xa3adefdbf5d1e4b47b5a0742dacb6ff4c0bd0e45d2c0a60acc916cef4251092f
  9. 0x5acb8f3c7a685b86f2b9d550e545f40aaae727d9707d9c64d9a49625ca39add5
  10. 0xe32b7a35180210e4a4f765d5d605f0a31ff47ec627f616f0913d4676d70b2f65
  11. 0xae7822c017d4b1569796fdd0dc05a5031c9b84124843b7501db232565e4eefaf
  12. 0xb02a170e06d4396239be258d9ac127c533426b7c40d8bbc0d43ac92701c97e17
  13. 0x292878d1fea45cf7e6caa03d861e734b6d7c392cf431b9e7acd4b26968422520
  14. 0xf0f02c8f6d66ea83b0e30d64247c845d4dcb4d5cd98d515dac1a45c51f7daae4
  15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
  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