Evidence row 2621747

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nhh0ZB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a093f7c8-eabf-41e2-a6b0-130d278aad73/.well-known/agent-card.json"
    ]
  ],
  "name": "Hafossano",
  "owner_address": "0x2bb02c894d9f7823e0a8f0c3c61c3cb3c7bedce8",
  "raw": {
    "agent_id": "198567",
    "agent_uri": "https://centralcity.ai/a/nhh0ZB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hafossano 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/nhh0ZB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hafossano",
      "registrations": [
        {
          "agentId": 198567,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a093f7c8-eabf-41e2-a6b0-130d278aad73/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nhh0ZB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793729332,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:14:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hafossano 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/nhh0ZB"
}

What the leaf hashes

{"body":"2bcc51708b055c65052f3cd94fd3aaccfd0a5ba9470330e75a2b21eb08d8b07e","id":2621747,"kind":"listing","method":"sync.erc8004/1","observed_us":1793729644534051,"prev":null,"subject":"erc8004:5042:198567","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. 0x74a1f66f1a99234bfc9def3255d3a2739d1657948657c2b61cf28f4d376e13cf
2. 0x6cf8ae268825cc1cf973b117253b041f3c1055d1406d3391f0deb626ea78b52b
3. 0x3d41451a8798ffa7ec6f3dac3902b74aeecde05ce2722c49f5d80b81e485a7aa
4. 0xb498a7b65ec247b6a60fdec32ebf4f6190aaeed4dca839300ee370a1667f6a0a
5. 0xb6196dd690d71527e6a6a311bd6ee0514d4e56d7cdb54dbf855248cc7af0cbf7
6. 0x2a42a68415d9c67406439fce011002295cada0837d3bd478cba44018a23631a1
7. 0x031e118898d59b776a18e925f0f63ebc905589be4c54f98c48e0583d1e409702
8. 0x04af524032d694ae8f6dfbec23db4c34f6fef5fe640d73fa9e04d532be6c33e5
9. 0xbedf16ad75ef52b7353c6dcb347532b656ffd4621dc04613dc8eec03c3dcca02
10. 0xebfd8c2b05f8560cb8f656e7bd5d9110a96e60bbb945b770c17dd50e29f6fd08
11. 0x96e64367ecd4158184ea3461474929705bea81c8d6c9fe1ba3ff777d6f4815c7
12. 0xbfb5b86c3732e3821396df788c25997c105ee933690649fadb31f13174f0bc9d
13. 0x0a2166fdbd0fb119437aa5c587d6d76eacdc831e2e2d305db6de877994a9e71a
14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7