addrbookFor publishers
← The evidence ledger

Evidence row 2730256

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:212857
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8d0451c95b6526116639b323347cb448e99e71d11815946603c81d71babe6998
Leaf
0xbff4ad60844fc690027bf692143d44a5b9627ca293fc107ca30f8edfd9f2f6a8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3cjBCI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7bef5663-9de1-457a-8276-a49a4990b300/.well-known/agent-card.json"
    ]
  ],
  "name": "Kokano",
  "owner_address": "0x3a077a32b22460e31583c8ba86d7c2aee6cf9cc5",
  "raw": {
    "agent_id": "212857",
    "agent_uri": "https://centralcity.ai/a/3cjBCI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kokano 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/3cjBCI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kokano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7bef5663-9de1-457a-8276-a49a4990b300/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3cjBCI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:53:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kokano 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/3cjBCI"
}

What the leaf hashes

{"body":"8d0451c95b6526116639b323347cb448e99e71d11815946603c81d71babe6998","id":2730256,"kind":"listing","method":"sync.erc8004/1","observed_us":1793750011790164,"prev":null,"subject":"erc8004:5042:212857","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. 0xbff4752ad129d20a5cef059f86c038c2940b3e88129535d0f500be851d10f1bf
  2. 0xbda99e3f5ac6f3937f17b997c30970667d0d8690a7c280c7f25169bf2bc2c34f
  3. 0x1cfcd634a1e9bf86d478bd2488c6c5a64a66faeaa0ea4f1b51be64c4d2192492
  4. 0xdc2d76f35917abd9798d9e88918fd1cd07751df30291a2ae505281e7a90990da
  5. 0x3a46c5c1f273fbe0914c4e4f355d2773daa86598a7ae0f21f87fb6a09c0c723b
  6. 0x7fa764344cd6d1860a59426e52113f49a1bd1868fc3d04d9a3e9263c3ea8104d
  7. 0x61591229251f2bcf7c11ba11c97aaef1ac3b58509ada51ceaa131cb0310913cf
  8. 0xea840a2723775e5431dad276fbf8292658c1383f6880bf5854a24d074e0157e6
  9. 0xa523a68f1d68b8ec80334b914ee09db4446e86178559ec0f25bea1f7af7db43f
  10. 0xf66c21b5d630aa7691ad1893e3dc31fa18c1b5107e88cb3b0f68f8a05ffe1467
  11. 0xd452902657c19848acb63a9327bfa18dfd33bb51d4ee0c8524ad0fba9ea3a582
  12. 0x2fe3e767a6f063f1532455519e42e1c3f246e86f332f9400b049370483ce0f55
  13. 0x7e57bf3ad9e8414c054c7472c2f2892726935ecc1f17cf00d0654a401e9650da
  14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
  15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON