Evidence row 2490653

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qpW5XX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3a26a1a4-df3f-483b-9739-faf4317b2f28/.well-known/agent-card.json"
    ]
  ],
  "name": "Vista",
  "owner_address": "0xc69a967c25f8dac0a200880f641253053a57fd7e",
  "raw": {
    "agent_id": "144689",
    "agent_uri": "https://centralcity.ai/a/qpW5XX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vista 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/qpW5XX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vista",
      "registrations": [
        {
          "agentId": 144689,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3a26a1a4-df3f-483b-9739-faf4317b2f28/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qpW5XX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793666071,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:37:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vista 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/qpW5XX"
}

What the leaf hashes

{"body":"fc5be9592c41bfa1d5b8fd73de97781ff854b7feebcb34ffdce9130708a8f9a7","id":2490653,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666232877168,"prev":2308948,"subject":"erc8004:5042:144689","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. 0xec90e84abbaff931a916e3cb1b95f47be22f787cac00f1f12f93487e2477ed91
2. 0x906649125ef1ea1fa5787644f0af22e8fc3d8c875102a9fb30c55199d8e7c3ab
3. 0x737b329188999a9f4835cd8b6a3063f09fe4560411baf5767dd4459bc80b308d
4. 0x9e44c57697b63d4779b7a773cf4d51892ce9a9ddc533e1c196b7867852dbc861
5. 0x40c7b780d8c984453486b5ddee6dcd32ebe529edc0b110ff9f1047a93fbd0caf
6. 0x518e2aa68d1401e6c36137f998516014a37099c2d713dd20c5a95e26164e2aef
7. 0x5dc641f2925622109c963d73ea92596b818cd76b719a023cdbbd04fef0ed9ab1
8. 0x5991191c6525c8a8a3bd042c1d70d11f2b69589efb5f9ab0c48e445e88f29037
9. 0x92ec3f11a30a00f02f6010c6223c730e6bd57485953757e402696fc35737048b
10. 0xe417ab4986572810e3615cccc5c0a3e5ac661089a91c218cf9bb8012564e1be1
11. 0x91e5ec5bc48d61f0a6ed4347d55893de6a55a3b7c4e5496fc8c0d458b8822040
12. 0x9a04df5302872adb1dc149148d84adc5a4ab5f839a23b49f756a2aba6e828a31
13. 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
14. 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7