Evidence row 1834254

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VhSs1g"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b37b2c3d-ecd4-45dc-a400-b978d70850d8/.well-known/agent-card.json"
    ]
  ],
  "name": "Biansiljo",
  "owner_address": "0x17108cb7a2f84ceae74088892ea4a70dcb4072c8",
  "raw": {
    "agent_id": "31263",
    "agent_uri": "https://centralcity.ai/a/VhSs1g",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biansiljo 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/VhSs1g",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biansiljo",
      "registrations": [
        {
          "agentId": 31263,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b37b2c3d-ecd4-45dc-a400-b978d70850d8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VhSs1g",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793570346,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:00:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biansiljo 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/VhSs1g"
}

What the leaf hashes

{"body":"5f2eb4f9cbe8e677f2c4bf43fb10df9f0b9d8c3cdb02f89cb14c0c55a43690d6","id":1834254,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570447571950,"prev":null,"subject":"erc8004:5042:31263","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. 0x77b5d17c076b913bbee6231000823e211f96558c695d7d38ec6d5ebde4eb9598
2. 0xc24d95ae1219a966304a58e035d4c2bd0c8a5a6bb99f6ef7744b6946e64db722
3. 0x666ae80425ceae1c5bd6de3c922e11d1da8c4ad0c71d87d291de424f362588b1
4. 0xe333d6b26da2d81e6ba09f93d1a0a65e13a48e8972dd87d64f736d72ba0aa573
5. 0x49873836fc978a4abf256c85170f5c4ce0cee0ef955b45c3c832826d8790ab6d
6. 0x207e087adbdb2b844cafab5f3c78f5acf9c7f07293dbb52e10eea6a5830700c9
7. 0x9652964ba5308574fdac0391070bcfa0fa09355be073a1366fa6c4c11c4c49e5
8. 0x19efb0b5da3c6752f40ca0cd629da336bc854668b8f53fe41b1fb759340af51a
9. 0x9ec9ae9a906ff285b62a4ed5aea4e8f5f8f18b33b483c43c6ddfedb4b79fd227
10. 0xdd3257ae5f559189f7031383c1e8ad7e687415a71de5e736b754664df1c28f8e
11. 0xe03e3d14c1f904e7d1eb74ab52589df7e9efeb3d89b2bc4c44dcd173996b9417
12. 0x922a48efb43b08095a30ef6daed1c6435642500c842a9a7064ef609c7b17fa99
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