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Evidence row 2560936

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:173887
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f9bb1fafdf84c117752dea7a6af9f1cdae3bd576dc559db588d8ffa503619fb1
Leaf
0xa13f7b335ae5f30f39bb3c1bafc5eea6d9b022b390ceb8511bfa11f3b640faed

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Zrt1Ie"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3c778c14-af72-4592-b15b-7d063389219d/.well-known/agent-card.json"
    ]
  ],
  "name": "Maassose",
  "owner_address": "0x679d21cfdf0bf0ec16599bc3b2bd9564e79d8675",
  "raw": {
    "agent_id": "173887",
    "agent_uri": "https://centralcity.ai/a/Zrt1Ie",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maassose 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/Zrt1Ie",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maassose",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3c778c14-af72-4592-b15b-7d063389219d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Zrt1Ie",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:42:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maassose 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/Zrt1Ie"
}

What the leaf hashes

{"body":"f9bb1fafdf84c117752dea7a6af9f1cdae3bd576dc559db588d8ffa503619fb1","id":2560936,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698963012423,"prev":null,"subject":"erc8004:5042:173887","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. 0xa13f7668cef3b82074d8dd7f4b8cd6d97dbd7b6983d30e58964aaf33a2779693
  2. 0x3e00f8ef550ff5bc2bf50f8fa8efa7ade7ea54ddc7cb7173b8c6a24d8bd48eb6
  3. 0xcfcb9d9fc685d6dfef45748e6f1a4c001ebf8251b948e0d5375b590e9ec416b9
  4. 0xcd5cb424f90215bcd832306f75161e2ce9dcefe631517e016e9f4c409032f62c
  5. 0xb12c9e006c3c2d513ce2aa5d899653271f52d2501dcd953cb5bb98052118e300
  6. 0x586108021c69f435b87b54cf815b044e38d848a54bac51ddd34ed71afc5d2ea1
  7. 0x55390942a2eec5bdff15e1b786f54ccd6e59b69471220122c9d7507c766f3b72
  8. 0xf0ef7e2acf070e7be536c741aaa62b51b59d71ffd11b9546a22b966d0340a110
  9. 0x3985620ed9daa874e35397b41d4eb8ebc8c551906029675b652a9d011032ee39
  10. 0x3b2d15002d012510b129b8b02954967f6580aa66cf5a1f41ebc2b1e2a9f5a031
  11. 0x884fa324581635a2617000c23a743e16a78e22466f232c176d1e2501abceda4d
  12. 0x528056a6e5b3285f885b64f1c889c2e09c3436787f2e98991fdee22ac445a74f
  13. 0xf28d67782c92bef914bcbfba8a09fe25600ef28046c4bb2c25d01c0f921a6c77
  14. 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
  15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  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