Evidence row 1821571

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": "0x2e556d6511b09b2a4c8e6ec7d839f875ed3cf592",
  "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": "2026-11-01T20:18:17Z",
      "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":"8e5ab91bad467f00590c055c7e14211782227561b0b8a8a469b4ac72fdb09047","id":1821571,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564297187920,"prev":null,"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. 0x75befee093845b76641c4aca4da7e8ffe7bc8d25267b0cab774ff3733f209491
2. 0xbfc9351b9f207261f3355b280a38e333abd6b6b1813d391849be1e0abed1aa47
3. 0x03d0ed141d907e99a43d6a7a84a612a9b4abe930fd623886402c7bdc1482dfbf
4. 0xd526dc763339c9400c13d933e0b8c2327d2175665eead05a3e3b13b289d8362d
5. 0x4cba018dd0d458e8c8d7783ea1f36c150cec45dd383b9303d3397611f9122bef
6. 0x6c84ca647157c17a443f2c95cedd5c62e25e8fb96abaee4b6449e1d577042a15
7. 0x02eb5f1cf41f69827f4e874261860ff11f6126baabf9ffdbae571411ec9a6eec
8. 0x9e8873edc66bf439088dcb3c15462a7f48e158b04cbe346a08b68c07b422e770
9. 0xd1e2ed519e6b84492d75532c4d5c9ea1234b212c85def85ba18e633d6ad4b780
10. 0xc457ad51e6daf5c3d6b2de733b088c8b6a715702c9b4c781298760a3e64250d5
11. 0x3246cb30273d52d220731d42f4dd0a1e5b664b65e8b55933134bb53410b0f8ab
12. 0x1e93736ac39275a7c68e57203d7f685d0b2f38ca4a0f77c0e0caa7f14b489066
13. 0x158885233a7e31127e2842e667a258b12d4e1809863fa73786d7994cec474080
14. 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90