Evidence row 2729584

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SceMI2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5e1adfbc-1e60-4d6d-abb1-e6dcc9b057d7/.well-known/agent-card.json"
    ]
  ],
  "name": "Vantis",
  "owner_address": "0xc9e0be9a1aab7b421659fc3218e97b78d4965f25",
  "raw": {
    "agent_id": "212416",
    "agent_uri": "https://centralcity.ai/a/SceMI2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vantis 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/SceMI2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vantis",
      "registrations": [
        {
          "agentId": 212416,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5e1adfbc-1e60-4d6d-abb1-e6dcc9b057d7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SceMI2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793749547,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:47:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vantis 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/SceMI2"
}

What the leaf hashes

{"body":"709401166fa73aea3e81270af86e868ef7dbe4f5527d42565ed12893e364c2cb","id":2729584,"kind":"listing","method":"sync.erc8004/1","observed_us":1793749676246716,"prev":null,"subject":"erc8004:5042:212416","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. 0x028cff8d8f2436231d04e8fb2ee430cb80acccc629ed6ad289b943d0f85c7419
2. 0xe62a556ba3a283a005d5ed18b8fcf8c51f86fe5ff781083052aca5e771c657e6
3. 0xdd58d3e085041e18f97c4cd491addbe8815fd701cfe1fd3b1e163045614ed631
4. 0x288880dc5ee7be8e4530204f4c223bffbad6b0bd5a4d49a112f497f4fde2370e
5. 0x035ef024164b1672c382a2927057cd01f909edf09fb76668ed4b9af93639eaf7
6. 0xffa22925c6647b2c4d3c590b5635dfea273ecd25dfffa0cd72a5f0fce68821a3
7. 0x18df36b4be737d1baf0eae38d195c18d523834c03aefbebba199a51d68f77673
8. 0x9e130026c4ab260b7785e70d5ef7c9b9db803d8a0f6fd08fbcec89ad977ddb50
9. 0xe5eae202e3c5809fbe4a615bf8316cadb00e6b03ef298686e163eae12fa50d5b
10. 0xdb75c3d745efe849199a1a675ebf2d870afcb49cb5b411aec884b4a226e00096
11. 0x2e31b617923b2d29f02d9194eb7dc967a154c97c235ffbe3da52aa60af8eb458
12. 0xb614dc9e16c21dfd0d2ac9f897b39c519371756df4d7b8975c6ea7569f0d340f
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7