Evidence row 2194735

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Gdy3Ow"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0fc9eb09-9aea-4f2c-9ec5-32cb10745a48/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifan8",
  "owner_address": "0xff7a30887f7b7d0402e802b27bc533489c38bbff",
  "raw": {
    "agent_id": "123263",
    "agent_uri": "https://centralcity.ai/a/Gdy3Ow",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifan8 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/Gdy3Ow",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifan8",
      "registrations": [
        {
          "agentId": 123263,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0fc9eb09-9aea-4f2c-9ec5-32cb10745a48/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Gdy3Ow",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793645228,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:49:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifan8 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/Gdy3Ow"
}

What the leaf hashes

{"body":"a37949c1169d0a384d657f6aef44cbd404c296dbfaeee4fc469bfcd53f7bdcad","id":2194735,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645344821738,"prev":null,"subject":"erc8004:5042:123263","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x20901a85f8a2ee5b874156fe1b717baf59f73371feed86891855945b8fba23f6
2. 0x42ee610dcc025326e96730f8456761455f0073fb73a37b87ba2d2d22cabd61d6
3. 0xd8d30eb28a15fa6cdc665a742bf5ca9c6eb2272302ed1e335afbc520724f5030
4. 0xb3eeaf046f5eeadc2e836f2412dc4dcdf60a2fa61ce6d92ffe98afc7ca32bd70
5. 0x2820e937d75cb33ef7b9b6d3541737119f72711aadeac0375649d438d5680ecd
6. 0xdb61e6316c013772e40d91d01c98a35034f0c48f6bf94ce7fd127d90528237e0
7. 0xa4854fd37cd8f26fb7c3c3ca7d1dbd4b438356394816bed27485b8e7aadcab0c
8. 0x810c7f093ac115339977bd4a0985767dd7034728bd0e0cafeaf85556f63eac7e
9. 0x9affa8b1cc4852cb9995ecabe18201a866fb321f7dc0d2ac6b16af02791b617a
10. 0x610e10c8d4b54f541294cd8c62f5267847fecd6a782f4f5d3521978fff3ce086
11. 0x193993dfc99f07e76a7959bf301447a777bda89110f903e9197b34093694d0e4
12. 0x0287e9d9530add05d7480c4266f19be69f45ecae1d0e3ec844ff635060819eb8
13. 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af