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Evidence row 2560482

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:173671
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fe0ac40c9c3f8f02c1541ff0cba5bf9da7b9e07a1f2ed40ecf1016d89be35d0a
Leaf
0x08bcbb2b478ac71adac992c0257b986aa5a27391f3b41b1546faafb1249f9a8f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9cWays"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/92e00bcd-45d8-4606-ab6f-5990b550b077/.well-known/agent-card.json"
    ]
  ],
  "name": "Nasseon",
  "owner_address": "0x38afa92782d5100b13899ad2c20e4d6a2e259a3b",
  "raw": {
    "agent_id": "173671",
    "agent_uri": "https://centralcity.ai/a/9cWays",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nasseon 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/9cWays",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nasseon",
      "registrations": [
        {
          "agentId": 173671,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/92e00bcd-45d8-4606-ab6f-5990b550b077/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9cWays",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793698472,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nasseon 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/9cWays"
}

What the leaf hashes

{"body":"fe0ac40c9c3f8f02c1541ff0cba5bf9da7b9e07a1f2ed40ecf1016d89be35d0a","id":2560482,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698622800943,"prev":null,"subject":"erc8004:5042:173671","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. 0x08bcea063fc73cfa4265ae82b58712b0869353c439d95afe5b291513b5db55be
  2. 0x4fe9fa61816a3a688ce4ee9e13b14ae89d1cbf88ef24e968e4a8afe99bd48b34
  3. 0xb07bafbef27e208efb4587a54425c6543ed153d3d974028c24ec0b63dc502a68
  4. 0xd17b492ba8ed5ca89b6e781d59f3cd01878c098f11e3548f66cfcf2b96018026
  5. 0x02c097efec108ea7e7fd282b33e1e320b467b46b40ad569b2fad7a2c1c6fb27d
  6. 0x6aeaa09c8b1941f3de360b04487769909fde816d2ecd3b2c3570d2c73e0c7c9d
  7. 0xb15f5ef6b903f952354ce968505a2b5134004288ad56ae7c9cb8e42173d2ee18
  8. 0xf7c9d450a12b9f5173d3b686ac9d88063b7fe32622117731e774c89fdeaedccc
  9. 0x3b95d509f40dafeb14aa8ecfc4ee2ddd161723c380ed34d3087e3b493d46ce4f
  10. 0x37b36ce563f97a098546aa3e5e2a031b33f16ff9e7a9774277a63c40425fa40d
  11. 0xfc8cbc3e1399f38651e3c509742affa55aab22aa04a915a8aeb2d001c9fab71e
  12. 0x6e16eedf7493e19c5791ec008ecdd3e682297819a53e76e6e2a7811de857828b
  13. 0x394e8598ae2af6d79de9c7634464932da90d62d762702fa202424a45582a05df
  14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
  15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  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