addrbookFor publishers
← The evidence ledger

Evidence row 2725770

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:210823
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
58cd59714816285b38e0c4c893faee810eae640ee69152da9a0ccdd8ad219df4
Leaf
0x146b804817e365aa92cd919ddb11039c482243b1ece98451feb30d484e9000c8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QoHUok"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ca659d7-9d08-42b8-a6c3-d4c5753fe9a5/.well-known/agent-card.json"
    ]
  ],
  "name": "Heidis",
  "owner_address": "0xd03d3a5efee179c96e7c7ab801578243b64aec52",
  "raw": {
    "agent_id": "210823",
    "agent_uri": "https://centralcity.ai/a/QoHUok",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Heidis 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/QoHUok",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Heidis",
      "registrations": [
        {
          "agentId": 210823,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ca659d7-9d08-42b8-a6c3-d4c5753fe9a5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QoHUok",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793747567,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:14:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Heidis 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/QoHUok"
}

What the leaf hashes

{"body":"58cd59714816285b38e0c4c893faee810eae640ee69152da9a0ccdd8ad219df4","id":2725770,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747661900775,"prev":null,"subject":"erc8004:5042:210823","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. 0x146bdf76e8d376342ee003a6a7db2e5a86d5649944d5467794c0c172712dfff0
  2. 0x48168e458bd2f1b7eb132978986c55203ecd740a46d79886af5fe1feeee9a931
  3. 0x10146667dd2d01d81db3cfca9e33c9543e8bdab091ce9777d7e3712ebb7e44a9
  4. 0x67bd28d873914991c5d12fd0e978ccd4df2dc203cbe92cf3e6f4e5a8c0de11bb
  5. 0x1c6f95d8aab45c4169d653712b1f504bc40fcfd1ee17dc2a140be4ba2029a208
  6. 0x9abd304186099b9b3faba5b1b5b65477477dfccbd5a2dd65c6f4f2584855de4c
  7. 0x20f1a29e35f3559c5bd3fd2facf3ed906e459ac250170763c00be4f35b14bf73
  8. 0x81f52323d2fd0cea5ea88b34b635d29f99e9c3102de8865f36cf286cd065a234
  9. 0x1174b092915e6e5340b2bd72994e9b542a3e42a512ed85f0e061d1e382b9f0f9
  10. 0x5e91a1582d39f26de39bdd3efdbaccbada9b4efccd5fc30c0f677cf2de1b3957
  11. 0x7004fe3f7e9f3f8118c119d452ec77a8a02bb6bcf9ac5387ab21e60d87b42653
  12. 0x4a703d7b488541b155124066b4dd7c3d5c7dec0475888c61ceba22b11223f76a
  13. 0xd94722bdb41527c7e86b71a63a94e4d4ae1edbc11a8300cc2dc1910b8fcb0a51
  14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
  15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON