Evidence row 2622299

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yeNuLx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a252c218-0e89-4f8e-969e-93d3832a0d25/.well-known/agent-card.json"
    ]
  ],
  "name": "Maissino",
  "owner_address": "0x4c91852b0232f90bd9a1f26dacf890abeb517331",
  "raw": {
    "agent_id": "198642",
    "agent_uri": "https://centralcity.ai/a/yeNuLx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maissino 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/yeNuLx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maissino",
      "registrations": [
        {
          "agentId": 198642,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a252c218-0e89-4f8e-969e-93d3832a0d25/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yeNuLx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793729811,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:19:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maissino 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/yeNuLx"
}

What the leaf hashes

{"body":"0cb1a4a13acc77c463f4d92bbadd8d80eee911d9ac1c5a3584e85f4ef7438ed1","id":2622299,"kind":"listing","method":"sync.erc8004/1","observed_us":1793729975460925,"prev":2621822,"subject":"erc8004:5042:198642","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. 0xf7f0cd8049e60736122e2543e0b9e2515698954a00d125a8efff5ab81372954c
2. 0xc377690225020429485b6b4a020f4088e31d2498fb1fc54d53b09a6a189a3c61
3. 0xba93566c02bdf8523c7b1763c198e948fa898799259a3527aed9125d52efd040
4. 0x9b5ea503cfb68d1484b885e62cc2828438436bcf5fc3ae234fe2c1c5b9903ea7
5. 0xde0eeacdf2712d7a48c3014b8f77a739a86948664008adf95c247a0122b0dfa5
6. 0x67145d8fc73d9c07699a8114239a1fe8d0e67e786317d1c3ec4025516bc39fd1
7. 0x1d7fc411ddeb9ab8d749de3e38e2f8f07c854f62f1bd1b307837b568ea79270f
8. 0xf7e1afa55e5ff26972a29c0c5ef7ec24ac944782dde506f8a5a7b066e260f865
9. 0x14f09a5e04a3078fd870c4dd720e404be4647bdc3589576f3274582477a254c2
10. 0x562a06cb5da1c3ca3d193164ff987f6a9c34b32015298885b99c0d7646a2a4f1
11. 0x0c9e50b1d5d6d1f7d8f6df31b970e3e85a3364c976e99f5486e7b7aa428ab8af
12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7