Evidence row 2563127

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QIftS3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/512379bd-0451-47c1-9c3b-a4702c726050/.well-known/agent-card.json"
    ]
  ],
  "name": "Maisseon",
  "owner_address": "0x9c0467074d5f51663a5a4ebdd7c2c899d925bc4d",
  "raw": {
    "agent_id": "175163",
    "agent_uri": "https://centralcity.ai/a/QIftS3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maisseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/QIftS3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maisseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/512379bd-0451-47c1-9c3b-a4702c726050/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QIftS3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:05:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maisseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/QIftS3"
}

What the leaf hashes

{"body":"1dfccd6d0144bc0fe074d1dde4b420d4e254d6b857b663fee0ef72265dd81dcf","id":2563127,"kind":"listing","method":"sync.erc8004/1","observed_us":1793700308665421,"prev":null,"subject":"erc8004:5042:175163","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. 0x7e992003ff087c270a85dc791f05ea3f73a75de88382d0c2780e37b58c2e8dd1
2. 0x67af8d7b976a99fa8eab41abd030fce9950ff4f6f622aa00989a2dbd72675567
3. 0xf8deafbbcf4afe4f17d96882532244ae4ff629e5ecaf6a4ad4072f8095c340d9
4. 0xe6b5034a4616b02b732fe30372d26c3b050f58ad26de0b76fe74080b3d5db801
5. 0x2d3c48b7673877413c9440f2f973b3e6442ebfc37e6564e7464dc45049535259
6. 0x99334c8f915819f7ac4f77b622512143452497c8df80271e8b11fc741e14cb1b
7. 0x7c549bb83ffb1eac8cb7c1f92818a06b8de0be80ecfdc21d53379ece203542ca
8. 0xf36c1acd8ca8307ad3d1d18537a74e7f63618717dc37fcc75a107bfd2124cb7e
9. 0x77842af711fa087d58bdd3aa75310dc48c60db44ad72a5a2efa0c290823409f4
10. 0x4aa754e5eff1846e4eab9fdb5c8abdc792c431362c47ee00b8f54f34e9d6e357
11. 0x9f54fd0b64694af5fd15fbdeb617edaac44c3dcd250a9fb75f0f5decc63fde2f
12. 0x930eab3f039c2992e8821910301a1630ca2633c67e5c9e31c301963fd4e0bc33
13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7