Evidence row 2509281

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/R0GYAU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e2c54a4b-914d-4921-a601-6214c80023fd/.well-known/agent-card.json"
    ]
  ],
  "name": "Possisto",
  "owner_address": "0x9b502e5caf174d4e9a28bf6ffd1a81b59cc2a8c1",
  "raw": {
    "agent_id": "152347",
    "agent_uri": "https://centralcity.ai/a/R0GYAU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Possisto 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/R0GYAU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Possisto",
      "registrations": [
        {
          "agentId": 152347,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e2c54a4b-914d-4921-a601-6214c80023fd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/R0GYAU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793673951,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:48:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Possisto 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/R0GYAU"
}

What the leaf hashes

{"body":"76d430709e1b4c1335a29ff6f6f0a57966d542cc91b53ffa8b521a8c3c82f0bc","id":2509281,"kind":"listing","method":"sync.erc8004/1","observed_us":1793674110941192,"prev":null,"subject":"erc8004:5042:152347","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. 0x10a2387754eb3c2f73984db007a8c3f6e56f01288050ed23bd09626925228d49
2. 0xf4b0a6d4276ebafa2ddab7c28ed82e9ca69d199e751cf53b6be238a8a42cce1b
3. 0x5ed3acf9f2912e9453ed318259e91f006153818fbec385718d1119bb270a99a4
4. 0xd058cc96dd11fd57fbe3700d788f426d8e8b2bc6199f5ad42f81d0de940569f8
5. 0x11fc27053b5e63c52b24888c250a6f429ea3e1c46dc8ad7d4042d0222ea3a35b
6. 0xfdd2a3d4ef88316450933e3d9dab33dc5179a51f22d8aafa229d3ea8ab307417
7. 0x0a3f9e85bcc7fc2648341fb0d941f024b6a15b91d7c5eddb2c11091ae4f86874
8. 0x4adc6d187c6e80f23d3791f2ea0770880dd61bcecdad18e91371a515a370a9e0
9. 0x0a53dbd52e061ddb980558c98c77fd7494ba918cd59e463b6948c42fc37ebb57
10. 0x7d87597e54c3e98a4598e9f04b53c0db3ed9d5a7bfe49baa1c4060cd048bb7e6
11. 0x54bd874e10ade4d243d54fe237d381f0e1bd259a66ff4acfe9606902b3d138a3
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