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Evidence row 3150850

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:308329
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7d862333e6d10f03d92d170586944701b676c10deeee5dfce7173e3621145114
Leaf
0xcb37e88b0d85efcff14cfb4f0760bb480edd689c4fb86ac320be04a3c7190eb4

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/z25mRR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c4bb473f-bc83-4eaa-b569-0b579a67b992/.well-known/agent-card.json"
    ]
  ],
  "name": "Tantet",
  "owner_address": "0xf18b0d4ef116724f61fd8f0dc3d135b0d3fd0df7",
  "raw": {
    "agent_id": "308329",
    "agent_uri": "https://centralcity.ai/a/z25mRR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tantet 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/z25mRR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tantet",
      "registrations": [
        {
          "agentId": 308329,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c4bb473f-bc83-4eaa-b569-0b579a67b992/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/z25mRR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793834863,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T23:31:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tantet 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/z25mRR"
}

What the leaf hashes

{"body":"7d862333e6d10f03d92d170586944701b676c10deeee5dfce7173e3621145114","id":3150850,"kind":"listing","method":"sync.erc8004/1","observed_us":1793835072681728,"prev":null,"subject":"erc8004:5042:308329","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xcb37cc86d3af24cbd6dd67d19ba5d9d26cf18fae61d49a949bb8bc6a5b04cc04
  2. 0xf620a7e4b6a0179da4f2bf5c65ff7fea784f42b72c3f06e54dc94bfd0914ea64
  3. 0xd8b8eaf38bce5ed8c4cd7fdb356a4ee2b0f885a5c39cfe1e1a02e19e96153f09
  4. 0x1d8cd780fcca66ad68b67037ea0c7b1b4b20ba260c6da7ee04ff791186875c71
  5. 0x409ad565f71632bbecb828c4465079273b7430b44c6cde5d7fa9b7c6ccd23b61
  6. 0x6dde0f4b2c4ad36cb44d1a47285fa91206b5c7b0c2e64b25f70c42c3712194b9
  7. 0xc1ba6277b5b65c5a5a37ee910a52a1fcff86696d449861d6554f6bc27632f4fe
  8. 0x8dc00c92ab4ff3f131929d045e8bb494788aa9b0bae57664b980ce837c03db95
  9. 0xa4603dfeecec4da440c8742f689ba731d9fb3af67bc76bf9238136a41b34c9b6
  10. 0x6f3e85d60b30c8fd3be5be59add5376548614c894cc560659792338e896d5c33
  11. 0xf72efc5f1fb6638a55391b9fad8378cfc32e9d1ecd70679580f2577f69a98338
  12. 0xfd726231240e7f7790090a54c6867676afce808fe73a42ec9bbbc6b6b36a2add
  13. 0x612203b0a18f5db8c084c8afbfe92eeeb923cc8882cf01e3e9a9e831e2bfabae
  14. 0xe41c2851c6fb24c6e15e2203479b95c7d0a99699161a99434f0b744f6d0541bb
  15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
  16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON