Evidence row 2122518

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8jSoiv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e724c31a-6bb4-442e-804e-d6e260182d2e/.well-known/agent-card.json"
    ]
  ],
  "name": "Maasino",
  "owner_address": "0x052ce86e0e4b369ab0c24df57225fda9c3a85ab3",
  "raw": {
    "agent_id": "89650",
    "agent_uri": "https://centralcity.ai/a/8jSoiv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maasino 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/8jSoiv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maasino",
      "registrations": [
        {
          "agentId": 89650,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e724c31a-6bb4-442e-804e-d6e260182d2e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8jSoiv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619459,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:38:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maasino 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/8jSoiv"
}

What the leaf hashes

{"body":"45114b977ac2dd5db09a2855bf5f11c9ecb057f3056a699b380a15a0040ab7c2","id":2122518,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619536516565,"prev":null,"subject":"erc8004:5042:89650","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x492ac893e974dc5bbd50160d6bf2c1238b6cfd5339ca692fc6ac7242d8ba43af
2. 0x032a93008352a1ab92fcb8270c8a31308f718fe7d085af993ce5de1ca11e26c8
3. 0x568410b8c79e6a7564274118b890a6d35e5120e5fc649bdd08f34d76699d81a8
4. 0xfca80dec39b942db1cff34788a1f198ce5c28480791ad09f240a112867439ac5
5. 0x428e14241d61c327d55e09b456c80965e1133aa71a70a00ad6b33531d1210b66
6. 0x44bd2c7e6c5d9156ff6edb05093368df379043838dbd4b38ad8c40753bcbac1b
7. 0x8bbb0cffb99c9385661f5e795a1e8e72f343decccc69c6548bd8c4ba9e35901b
8. 0xc9af13d172fa30504a1ca1267befafd7ed22a4fb0eacdeb6fe800dbfa61d6c6b
9. 0xcda71b982046105fbaeda4b6751ce71c18068b32731b77704d767a984e078386
10. 0x1c28395ce49f3093a1c0daacc759d2979138e95ae47d92bc6e298cc47330916e
11. 0x590cea4be4e766340ab178d7a3027ba045e5078998123a4b874106ebe83de6e0
12. 0xb49c87ba1f1d6bd8b04974a4b725b1a6c4ec061e7b19895e6ac177e2e5bcb780
13. 0xec50fb8bdb629a8eec60882415de93b837c0015821049eeb6965a6cdd0d6c186
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af