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Evidence row 2578882

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:182121
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
85dea6183f7205e9d1bae4a9b254a0e0a55e8b8222c4ab534cc4c2cb8fff186c
Leaf
0x6f2bc05eb5252febaa7c8a530444c1f57eaad60f46770285b0a3c3724fa53e92

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0A6u0i"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d1e890e2-84a8-4209-981e-6c5e5907ce6c/.well-known/agent-card.json"
    ]
  ],
  "name": "Fontano",
  "owner_address": "0x3b38d0026f0138e2d4fb8abab0e26af0ae997750",
  "raw": {
    "agent_id": "182121",
    "agent_uri": "https://centralcity.ai/a/0A6u0i",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fontano 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/0A6u0i",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fontano",
      "registrations": [
        {
          "agentId": 182121,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d1e890e2-84a8-4209-981e-6c5e5907ce6c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0A6u0i",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708614,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:25:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fontano 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/0A6u0i"
}

What the leaf hashes

{"body":"85dea6183f7205e9d1bae4a9b254a0e0a55e8b8222c4ab534cc4c2cb8fff186c","id":2578882,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708749689231,"prev":null,"subject":"erc8004:5042:182121","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. 0x6f2be36687dc79519051fb5437d3e61831a31615d3770ad07b18c80699fc2f81
  2. 0x021a4e0c5abfbfb0da5f34242e8c31614250eea4e60b6910b5aea86cc904b9a0
  3. 0x5d5e291a5c1eb8bf8a0e6165d10cdc4527f80f86d32160b5a2e2047362a3b094
  4. 0xb9b11fabb01cc1b8027ab3c10771c782503cc00089675fe491834a4abc9ad97e
  5. 0xac576a10ad515845b52f8f5b737da550f93aabe84c409d9cb449d7a1dbb0a261
  6. 0xb9a1499ed9c00eb36e48fea956e019f591f668a894a2d59a4b8c9a572b4eb9de
  7. 0x565bd34a15533f21f868af17f9f21e93fb3645093a158678e77cd34acaedced8
  8. 0x1d957222c5f06378b2d0a96a6a989dd46bb22ecb54c51e424ed8c65aa2f8d4bb
  9. 0xfb735223194f2877fa4de2fa6e84171598b4be380da35c55bf6802193095146a
  10. 0xf6c0e5f1e8264ffd5ef4cf99739dc6f2c191bd4a3b9c91b9a517f4e6d7e89378
  11. 0x12fa2ada268eec6a1232aeb4ef5e0af756a19df98b84ef154dc0a51756b6e575
  12. 0xd158254fcdaa95ccbaf14144de89ab8debe2933ac80302db66f86c11b8fd05f2
  13. 0x4bf0adb364edb7777d14e3572ee8c3a6a545f52d73a2263594eef12ba37918bc
  14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON