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Evidence row 2708480

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:202543
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1e10f30bf4e3ba4598989540122a4c63f166b6381f49f0b0c3d5734c57a3d70b
Leaf
0xf04d3a637b1fafd6a61b877ae585e402769f2a98cf4777fe9a85c24663a2ef58

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/M8Q3IJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7553d076-3482-460f-bd13-e0e9d041c6f2/.well-known/agent-card.json"
    ]
  ],
  "name": "Steimon8",
  "owner_address": "0x30dff9385d771139d660299b9f394bb6c5484190",
  "raw": {
    "agent_id": "202543",
    "agent_uri": "https://centralcity.ai/a/M8Q3IJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Steimon8 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/M8Q3IJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Steimon8",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7553d076-3482-460f-bd13-e0e9d041c6f2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/M8Q3IJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:14:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Steimon8 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/M8Q3IJ"
}

What the leaf hashes

{"body":"1e10f30bf4e3ba4598989540122a4c63f166b6381f49f0b0c3d5734c57a3d70b","id":2708480,"kind":"listing","method":"sync.erc8004/1","observed_us":1793736870272451,"prev":null,"subject":"erc8004:5042:202543","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. 0xf04d36f4eea3c97b6d4731b4bfe62d90d6d0faddf4c6f1cb17800e3f012ff5c7
  2. 0xa910cd0110cf575c25d6a69eddd75d9eb9a8bd5790d65e5574e061bec7222582
  3. 0x4a8c98aefc320fb42dad70c8e0aa1bd684d5a2f930a72841ee4b4a343b42ddff
  4. 0x3a16fc2e687faa4f39763b9cfdeef27def1c41e09223d0ba7c03e65f805e2a2c
  5. 0x2b7524524f0f3cfa2b7477e5a57154f9c23db1fcd841c7daafd66aea2553b036
  6. 0x8c43c8e6d65c9e71612bb8a3e3a29858ed6f11173bb2cba5bcc7d044e9e0e03e
  7. 0x253224da226ee333c64ea5b7bd659b0c83c41ead156366a919f612b18bdc6b50
  8. 0x65ba26a87a35b33f1a96b90cc479f7adcc8272faf5de3a7b9583e3a132b9dd5f
  9. 0x4b974c47c26fa7139f5d893e896290df832fcef0c77d715d1846f4b1fcc94b23
  10. 0x7388e44dbec4615aba539edb2f6563da1eb78573ef5ad389d8b1367ebbc1a358
  11. 0x883ce8fb96bbe499d16bede50ce6a5d729db16bef3ebc5dde8c7937cfcb56267
  12. 0x901c24c016dc6da511831e817ad3fe1ceee6eeae1e8a1c2772c3925e3a13e6a9
  13. 0x392d1f8e0d95573ecf5e48b86b7c22bc722ff63cad3e9bbf07a0e4b39157384e
  14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
  15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
  16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
  17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON