Evidence row 1817223

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/A6ofvo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cd5fb1e5-5d54-4e1b-bd03-88d6eec3b165/.well-known/agent-card.json"
    ]
  ],
  "name": "Fontik",
  "owner_address": "0x0080aa65f17aa05b9162460d5514aa281589251a",
  "raw": {
    "agent_id": "20931",
    "agent_uri": "https://centralcity.ai/a/A6ofvo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fontik 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/A6ofvo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fontik",
      "registrations": [
        {
          "agentId": 20931,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cd5fb1e5-5d54-4e1b-bd03-88d6eec3b165/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/A6ofvo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561845,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:38:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fontik 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/A6ofvo"
}

What the leaf hashes

{"body":"00b88a2cc47a8139f83be88abf5739eca23d75b77f7484c7e366b5c36c7de273","id":1817223,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561919347430,"prev":null,"subject":"erc8004:5042:20931","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xddc61afb9357886f8fce2e7ad116ffacaa180428ce198f8c1702c4196d11d647
2. 0x668095ee77c2c4de38bd1f0dcfcd5dd351ddb5fcc1d1bd2e671d0e7306d5aa79
3. 0x959ed92bb7d792d63fbb3c0c3836b9a46ea0444142c630ea110d28fed6d54881
4. 0xe8d1a47e1b2f4200dd1d86deb86d3302a91290891ebe9791adde91c693ae3f62
5. 0x7fe3bc26735d7b290a84dcea61da992c7b6b1746bc627b4c8c15006f6913beaa
6. 0xeecac7c7ccc8192c591fd2f9188fe7df01396d3c514a6382f56a049aead6b892
7. 0xf7cbed89dd3f0493e5b7982617b87bd1acfed196f0ff436cf6d4a773c6fb6e03
8. 0x82147f00e48a4067b0c128618f384a83a7e7578093913883cb15a44eea537483
9. 0x3e11db6a9bd651b8e8358e9eb39cbe4d24d20b7fb8ef8fc03a5334c09560a91c
10. 0xe48212f21dd1726bdafa8ee374eb0ca6214df3c6782aeb02d7716f5fd0c681fc
11. 0x2bb38e6f7c6847f6abf093783982b49bd1341b21e65accff8a678947c68b1d7c
12. 0xdfa32f5198f53434ae19565dc216bf47b6ae348027a37e0be2678d1fa6697022
13. 0x2a6197714ae72af66984e8acb7bdf44641d311c74106e3b6480080e1d9170463
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90