Evidence row 2563781

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3tOjRR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2c21ddf8-e628-4634-99ea-5f52d9b6d8fa/.well-known/agent-card.json"
    ]
  ],
  "name": "Grempik",
  "owner_address": "0x0326c0c124b972e5532ce0d95988b90eba72a666",
  "raw": {
    "agent_id": "175300",
    "agent_uri": "https://centralcity.ai/a/3tOjRR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grempik 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/3tOjRR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grempik",
      "registrations": [
        {
          "agentId": 175300,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2c21ddf8-e628-4634-99ea-5f52d9b6d8fa/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3tOjRR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793700711,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:16:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grempik 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/3tOjRR"
}

What the leaf hashes

{"body":"686584438c1bf34327b2a7670497a611d3f4660ba1f5f7d13a604e7f0e5ba2f1","id":2563781,"kind":"listing","method":"sync.erc8004/1","observed_us":1793700985894396,"prev":2563476,"subject":"erc8004:5042:175300","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x5a9c2a74fc3aef0480d4269f26709471e083542b1737f94c294a41431177c3fc
2. 0x18198ee203bae6e29685dabdee10bbfbd411c9f10b2519f52a71ed0b392b3309
3. 0x80b8fb3c29aa61ae9278fd62de6b46acd89314b581ee23f6d217ca65037a928a
4. 0x2c953491f9108da6dce5f9d8f9c5a149ab713ec59ddab21927b554c3056ba1f7
5. 0x563b7571a3393206397151e61643be6f165b5984e853cad5201b4d698dfb12a0
6. 0xfcc506129546150a84e8d762281095ca2227a5146e62154f81b544349560cb7b
7. 0xe45b7ee4546cdd8561ad0c870e92855a6031cb3d57061aa9a25f8b29833565b0
8. 0xda2ba013b7799b5521f8b7fd56b6e6f6a7fd78b32bc136c000c2613bc13d2cf1
9. 0x204ecfdcf26ddb70cd7066711a191cf8b36f733a43f82c6e06f9b46938acc955
10. 0xbf9c938b13479ec0fa270283d65b48e9c48015da74c2c0a39c968ab7057e71be
11. 0xaf21ba50a52afdf15bddc7714f342196a38f2d5d6f5734d5247a9a3c80a77a0c
12. 0xb27b2ada561a9d979d1668372872a5246392cf5c34fa78b49aa7993e7a9371d3
13. 0x387d6b3abb2bc238e53d54b976851224d55ee7b21751b608b1abad8177b78ed4
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7