Evidence row 1821847

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Fj8urp"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ded805de-c79b-454c-9bc9-98efe122bca5/.well-known/agent-card.json"
    ]
  ],
  "name": "Kassino",
  "owner_address": "0xbd93e0721ac0bc6c445fc919cd67d5a0ed4728bd",
  "raw": {
    "agent_id": "23656",
    "agent_uri": "https://centralcity.ai/a/Fj8urp",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kassino 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/Fj8urp",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kassino",
      "registrations": [
        {
          "agentId": 23656,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ded805de-c79b-454c-9bc9-98efe122bca5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Fj8urp",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564279,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kassino 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/Fj8urp"
}

What the leaf hashes

{"body":"82af34c01c5de624e4ca306c9c0079bf0fb5c9c53004c945fcae4a7d937fd6b4","id":1821847,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564641961940,"prev":1821571,"subject":"erc8004:5042:23656","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. 0x0204ecbca59bfb50c678d9e0334e88be1c942ea0b6dcd3dc20db224c1f19f85f
2. 0x4cd2cbfcbc332432ce5729dda83feea6f8fa17b74021d89fa807416e9ee18fae
3. 0x6ddcb25862802fbe577b4e717ef28c92c71fa7b40474a7a9eb97419a40ab68f6
4. 0x13ad98fe1b70445c2bf5edfad446fb579213810123297487ef67ea32f75c08ee
5. 0x87ecd5ed81a62351a4d150574bdcc275d3a33b21514d6d10d17b6740accebdf7
6. 0x84368e10a5a7627d3860e8774622b095f61a65c23067f050589369d832231f97
7. 0xc80189006da8e5ac723bd91badca9790d5a78f094a1a274b40f3584be08212ad
8. 0x27717ce3676c0c123746957d10f8a6f0c3b3b9e63bcce7d56513ae689ac28c47
9. 0x6cf4dfbd911990e3608bba8ad2a39cee84b596f20509ab8509b3f510f55e2a5c
10. 0xef4052fd55c452e1e9a6b57d8ea5cf9ba41054269516c8c997dcec029134274d
11. 0xdaca3ee21f92165a6be7aff19d86ea39de273294ab8810a9c99c6f06d300957d
12. 0x0a4934154defdcca31a0b6442fe83c13faf26d0232a42ab012e8b30a8f915341
13. 0x79fedbe687b77b652992baee73ae63f11f5fdb524358706ec36fc4e8328df784
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90