Evidence row 1826819

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/T0jJXs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0c7d558f-53bb-4536-af0c-af33cca1ace2/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiostus",
  "owner_address": "0x930639a270211487704a24d6136ea36de209066f",
  "raw": {
    "agent_id": "26830",
    "agent_uri": "https://centralcity.ai/a/T0jJXs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiostus 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/T0jJXs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiostus",
      "registrations": [
        {
          "agentId": 26830,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0c7d558f-53bb-4536-af0c-af33cca1ace2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/T0jJXs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793566809,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:04:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiostus 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/T0jJXs"
}

What the leaf hashes

{"body":"c3eb132e71c58cf3b196df1e2eea996c47ffef35f9f04c73dd5a106c8d1a9a41","id":1826819,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567061700289,"prev":null,"subject":"erc8004:5042:26830","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. 0xdc381537b5f128249db5877b84817f45c50f89bf30e1d284dd57a94c30f94acf
2. 0x62fbc92a0d67e62f49835d1f3531e3585d5b989d617514c2866f1ae7cc56ad81
3. 0x24129a54d7d3c96b088fbeb324ef57850734c350d7c31e8c5137437271b53861
4. 0xbfd7899832e3a8803bad8d5ac842b5cb35f4f12ea8b292cd2e3e084261c967cb
5. 0xbccd93aacf2b20ba7939ec615c45ef7897bff699ea2ec3a685a1718ff27c04b2
6. 0xdefe9d12074690405aff7f46d533f2b9fdaef7be58b91c5279d711b767d6761e
7. 0x30f902925d4af814e41ef8715c6c7f608f10664ac26f1df8934208bc3182da95
8. 0x126617fc234a9a4ae3b9a312f795985615fe64f785032f5906b27a4f7d89c1d9
9. 0x439135b8fad4e24b559fe8ea20167f6943a938b9fad39ab529093794811fca94
10. 0xcf4ad93ed2cc09637423ef1478e462dcfe730e9dc5c6e4e6b52c78c50f09f216
11. 0xf5d78472865fa216f2265706afe4b8657cead3243ee73d5aa06702d85fd9b149
12. 0xc961b98d60687e4c4df0245a0f054b5aaf253c670c52efd5a11d349f1dfe2eea
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