addrbookFor publishers
← The evidence ledger

Evidence row 2599286

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:189430
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a30934d3a0462e456e6c10601e9987611087ab316981a393197f2522d80628c0
Leaf
0x36451c37d730baa726bba508f7485ed18a5c7f316cf5a8322cdc9e5da4b97f2e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YzwlwL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0d594310-0a5a-4899-ba75-fa6738bbc510/.well-known/agent-card.json"
    ]
  ],
  "name": "Holisto",
  "owner_address": "0x57357e97a2721c2b877943f21982ce42b72f1271",
  "raw": {
    "agent_id": "189430",
    "agent_uri": "https://centralcity.ai/a/YzwlwL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Holisto 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/YzwlwL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Holisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0d594310-0a5a-4899-ba75-fa6738bbc510/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YzwlwL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:52:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Holisto 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/YzwlwL"
}

What the leaf hashes

{"body":"a30934d3a0462e456e6c10601e9987611087ab316981a393197f2522d80628c0","id":2599286,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717561823204,"prev":null,"subject":"erc8004:5042:189430","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. 0x364533ee659acad196553446c4aaddd88e6ae734ef1ffff9f4ebcd948a2e34be
  2. 0x4392c53fdfdb470ce67517cfa26775190f49b2d5d55beba7908d8913cbfc8da8
  3. 0x25ae3282f72b773fb093c1d3ecc6738c5635bdb330881fdf41e5ffef5aa691c2
  4. 0x98987b1d056f7ff00910ac084196b36933aacaeb56e4e21b4fa808a94ffae332
  5. 0xf6580d2e0040663987420057e83e9c43300c8f49fe84cdcc630eadc599125701
  6. 0x21e16cf184ab0653fb1fedfec396252158dab9a49c0b272caec5a1681ce78cdc
  7. 0x8996682df94d72efcecf84f12e2880e3834453feb028d65a8f6a63ac96546c63
  8. 0x783be369714f88113141084135d3e414fed4cdfec75390d102e597e9cf95d698
  9. 0x473a94c3f34d74d52d26f4048c276956f8cf67f2e1e871116b94e8df3e6058b7
  10. 0x58a715c1003680d4053cebb9442bd9c8d5409bcb3dd0c1ff914c7055bc7e5f4a
  11. 0x4ecb24bdc6727666f06ce753bd4dcbe32be7b82ee0fbec0dfc498920a48a15f3
  12. 0x8b1299a08a79a30071ae7270431b2f886df96a8fcf70897e23fbd22985336013
  13. 0x4435d30c5484a03bc119547d2071d78d19849c42083678f1d6af8d6dd8f74a98
  14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
  15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON