Evidence row 527767

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://kair-os.trade/base-contract/inspect"
    ]
  ],
  "name": "kair-os.trade/base-contract/inspect",
  "owner_address": "0x2a40c1e882e511e363fb5eda842ac4cb50cdca2f",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2A40C1E882e511e363Fb5EdA842Ac4Cb50cDcA2F",
        "scheme": "exact"
      }
    ],
    "description": "Inspect a Base address at a finalized block: bytecode fingerprint, EIP-1967 storage candidates, reported owner and ERC-165 interfaces. Returns raw evidence and unknowns; no security score or safety guarantee.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base",
              "code": {
                "kind": "contract",
                "present": true
              },
              "limitations": [
                "Storage candidates and reported interfaces do not establish security or control."
              ],
              "status": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Base mainnet address to inspect; no user RPC URL or explorer URL.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:08:37.821Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:08:37.422Z"
    },
    "resource": "https://kair-os.trade/base-contract/inspect",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Inspect a Base address at a finalized block: bytecode fingerprint, EIP-1967 storage candidates, reported owner and ERC-165 interfaces. Returns raw evidence and unknowns; no security score or safety guarantee."
}

What the leaf hashes

{"body":"dc2796b07929d046db88913f61694dd6e6be30ed5b7a4ae118a8ec7b0265af2c","id":527767,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124854628031,"prev":453109,"subject":"x402_bazaar:https://kair-os.trade/base-contract/inspect","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x72ad43cd14d1590bfd6aed1b8fcd9ac2727085296a1432e4633e13add5bd97f6
2. 0xb2e87f3e287b7a284a769ef4f43c7f98c460024aea2386d169e7a53e7b517c5f
3. 0x7212408c8cbedd3ddcaaab389f7d04ca8d41f05100a33c7e20f69427c61df787
4. 0x9ad88f2909670bce277974b71ef46628ed74d5034c69ced06fd023e9df4a386b
5. 0x856a1cfff9ba40f4f48a4161dc5c9af5b68b0f86296a97fa32b973dd33e07590
6. 0x456ac5c497f599c1942be056b388da75cebfeda4c5416d3b9c28dca54326bbbf
7. 0xf7f406e6da2d8a57336235946c0b2cbd47d2594f97a8feac8d005a09a082cebb
8. 0xb5a8a1675a650668add163678a43acd3837a812fe909f9414e9482279c86a577
9. 0xa323bac9f101d72c176434c9a2f356d1fce84b80c08c85f65fedc48cf94615a8
10. 0x41177ecd574fbfd5db971f26345d463c2727ea480039aa14f77f20bd18ac0eca
11. 0x23a51a936f60011ce90a404c26ca8b5c81a512eb324bd00dcb5ce643c0b38c8e
12. 0x8a2168d13e43e2c8b0f508ca779f90beef60501499eeab439eb7d23816a97bc4
13. 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4