Evidence row 2160110

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3R18D1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6532a5d5-ddf1-4fc3-adcb-eea19e307229/.well-known/agent-card.json"
    ]
  ],
  "name": "Niokisto",
  "owner_address": "0xa8b25561e81fed08e4e6f059ca58cc65f14a6607",
  "raw": {
    "agent_id": "105818",
    "agent_uri": "https://centralcity.ai/a/3R18D1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niokisto 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/3R18D1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niokisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6532a5d5-ddf1-4fc3-adcb-eea19e307229/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3R18D1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:57:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niokisto 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/3R18D1"
}

What the leaf hashes

{"body":"ac94e4b7a866e83ac7cb9546ad7b44551a9cb9b303f86931f31c22afbd955a54","id":2160110,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631432709378,"prev":null,"subject":"erc8004:5042:105818","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. 0x420b389785a0bf0a5c610221c728b9a54ddbf2262ebaf3b153e5921712a03855
2. 0xc63921fc7abe8c4f22d75357c17b53197d2fff46562a276149ef0a7c2fd3bc2a
3. 0x326f3fae2e77950379d5762960c87c9274e3b59009bf4e1930faed573c1deef8
4. 0xbf01c9c197e8038cbcbe32318bf00698871ec7e87707d03e33d978cda2f37391
5. 0x43188bc0054baafa852745d6e8bb06ff38a286f0f626c27ac88f2eb2413a7c49
6. 0x4a047bada0e43c3f9e8b1a326974f55018acbd3d784e33be07d26f4dcb3aa807
7. 0x5202854d18ecae86df32460c2c2c074f11fc4354703324131ac8b2952177b93f
8. 0x89ea783044500d2be32ffc1b947365336d0997c7fba27958fdfb379d6f2ef249
9. 0x86b4e4237e784cd2d3e38e672ac203052bd930061811bd0abb4495e597e32f7e
10. 0x54fbd2f64625f870b3d92f45a28056f3fe399a438ba4af2bc7553769b322eb85
11. 0xc1e5ef0f892a6b99dbf474674b9a6be5c1534b7d6383e945033bf95696d38a2b
12. 0x17858bbc60dae810bfa46a71ddb0d4bc3816060ff678ab2804cd513c70546454
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af