Evidence row 2548325

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Z7UAum"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b4832c6b-fef8-4134-b4f4-1d15eec9d85e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosseon",
  "owner_address": "0x691b81501072cd2f7f54818645d23628169ed1bf",
  "raw": {
    "agent_id": "167118",
    "agent_uri": "https://centralcity.ai/a/Z7UAum",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosseon 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/Z7UAum",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosseon",
      "registrations": [
        {
          "agentId": 167118,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b4832c6b-fef8-4134-b4f4-1d15eec9d85e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Z7UAum",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793691030,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:32:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosseon 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/Z7UAum"
}

What the leaf hashes

{"body":"72d3d566f6730edce4376d1fd34780c57fe79bfd142c95b7522b5d053e734878","id":2548325,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691151856542,"prev":null,"subject":"erc8004:5042:167118","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. 0x1ee9c27fbc97cde82965e14d52f6449397a2a66ae35cc162cf8834f328d939f3
2. 0xc8fd46129f3371d2b6cb0186b3efd167c6028d49b1ec329a276b381eeeb68d9a
3. 0x77aab6ee77c823c391584acc021f666b23f891767bcecd27b3efe7e44a30cfe9
4. 0xa95403b7af165d2feaa2e1d937977d0d6066d954bfccd61b36048829a19a1dd9
5. 0xeeec01c40258f3a9f85b1c469880dd98c0f7d5b7bfded65dea814f6cb2a9a6f4
6. 0xa3fdb81eafb28d914c3206f300f6a89cb18b125e289f5757de5f5a8a0f948f9e
7. 0x7ac8481d9572addf335d906813849655079886d127d7bffdcba903ebb7036725
8. 0xa9e287df66e04b60ff479f91095f27ca9a1f803ee1038a1e66929ae69a04b4ea
9. 0x7600b62285b20511f5580c73c2f3c54129ba40469b6c3485bbbceae983a02577
10. 0x908b2deaad3bb1379429260f4d5163d9874bca512caa64c816625b8d53225ffb
11. 0xbbac0627a9e9056071fe1c06fbb76cd0cf5f4d230196fa31639eca85fecf4cbf
12. 0xfb5073a06de63ee5241aed1dc0014e42833b5a8dff4bc279cc984332d7c8f40c
13. 0x6e86e82cdce44ed1e6f3cb733b0697b7f61258b10df0cb5522eff763f46425bd
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7