Evidence row 2526575

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/lQUrsn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ec0c5a75-3595-44d5-8284-eedad97131da/.well-known/agent-card.json"
    ]
  ],
  "name": "Hallino",
  "owner_address": "0x413e141cec9886aa4a30a10a0a987400ad0f2e3a",
  "raw": {
    "agent_id": "158721",
    "agent_uri": "https://centralcity.ai/a/lQUrsn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hallino 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/lQUrsn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hallino",
      "registrations": [
        {
          "agentId": 158721,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ec0c5a75-3595-44d5-8284-eedad97131da/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/lQUrsn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793681330,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hallino 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/lQUrsn"
}

What the leaf hashes

{"body":"b3973bca411b5c91613112a280e417e889f90fe89da17ac93849cfefb2890f21","id":2526575,"kind":"listing","method":"sync.erc8004/1","observed_us":1793681590884099,"prev":2525969,"subject":"erc8004:5042:158721","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. 0x11462733d5606af180fa62b95b52ab6325a169f736fb31bd065c5f5dfaddcfc2
2. 0xd479d64631321c6eb4ade61a0730f1ffdcd9470303b09923d51085460235a0b6
3. 0x0e0dd988602c73a1e484a548e68068b864c8ea9b1b7b7cc31b37aca4c3e3d564
4. 0x65a7ddce08dcea60badbfbeceb8cdeba6ff10304f18dee966cd3d7d2935f6159
5. 0xf8bccb6d73ca38e4709ff55a849ce381b5f446a5b9a5ca727cd3b7c93aa95e07
6. 0xda2608db05ba136ebff414347e00aae8a834f86d4e3179fa4276efaa109a31d4
7. 0xffb17ac03286dae00582f6b51dca1d9cc8d2a27cdc6ae600659890575abf6c88
8. 0xa90bd2cc1eba931f37a873b5c6c7e0167bbc2250cf2334b2b59d9fb33a5e1373
9. 0x4e9aa2d83c4ec331245154fdfc6fafcd9fc8de10da1c0febfc4b2abb401dd1b2
10. 0xc8540e298ae514acc085055aa76b971821e2ac86bf55f5da696eb843d04dd71d
11. 0xf84bfb14f98a782f35a6dc70e84fca457999d4b4dce80312617e5d66d426e6b8
12. 0xe97f7d4ac0a2ce636097d79a7399ac6b709a809cd77091e3291f6d41288a54e2
13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7