Evidence row 1778470

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/S7eMmm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ff404914-b335-4fac-9e91-3ab894df066e/.well-known/agent-card.json"
    ]
  ],
  "name": "Biavero",
  "owner_address": "0x83789d07d6a538aa51fa97021c9855a9a75b398a",
  "raw": {
    "agent_id": "13371",
    "agent_uri": "https://centralcity.ai/a/S7eMmm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biavero 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/S7eMmm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biavero",
      "registrations": [
        {
          "agentId": 13371,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ff404914-b335-4fac-9e91-3ab894df066e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/S7eMmm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553414,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:22:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biavero 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/S7eMmm"
}

What the leaf hashes

{"body":"1c76bb49d8b229ae1a19112d99188b37cd819f7b520aa494aa20130dd6639f3c","id":1778470,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553763746123,"prev":null,"subject":"erc8004:5042:13371","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. 0xefafc7e5ae6d569e8abd259838ff2b5b46003b5e98470d59e5ed60a259cdd13b
2. 0x8c6767094cd786260a3f3e0a75d72f74f0fd552883f53029bdc3e01ec31e25d7
3. 0xf4c37e59118d35ef9061cb22a17aae236e87c4fe5ff430a5fffa217c9fe4e0ec
4. 0x1af40e7c310614868fdfa6a8a145e441ad44460bcbef979f7eeb687f9c3a5a58
5. 0xeccb17a8edfebad6427ca8d555aa131b095cfcdf6598f6a4bcbdecdfe2989c49
6. 0xb46c52907f3bfef276745191a8992ac1e5de84da7d77023d7853f93929963d5f
7. 0x517657de5bb0f130751998eb820a1cfb1330ac57b43193fbdfb35d8931ddb138
8. 0x694ec1348f45083e073a24c28601f137d2f093ca2e19a63010b8f5b61d441efb
9. 0x7909312d44a097947094e56f1ce623e5a509b0d552831200de3e4ee7a4f078a5
10. 0x31f03044985d3e16737a154583128ac9edaa1b5f5136a21ad6310ef28d3b19b6
11. 0xa515386c3e038f87d1125a0876dc019f175f9e00ce412aea5bb8aab3801ff140
12. 0x1b5a8d6f871c578c6ca98d6b748b9433c45f26a6046ac5e84ea6551e53a17ec1
13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90