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Evidence row 452179

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.debyko.com/v2/candles
Recorded
Previous row
#65903
Body SHA-256
1c5a6a64da6a2c93de3e0f39b63e6d6e385af96af23fe36c53529cd1b3851b4b
Leaf
0x2083c2d0d1f0d00f61efaf24a8f7b4dc954ed01b87c368342a10273553837c0d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.debyko.com/v2/candles"
    ]
  ],
  "name": "DEBYKO",
  "owner_address": "0x17b2c55872338727660aa77776a4056a1a3158ec",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
        "scheme": "exact"
      },
      {
        "amount": "9000000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
        "scheme": "exact"
      },
      {
        "amount": "29000000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
        "scheme": "exact"
      },
      {
        "amount": "99000000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
        "scheme": "exact"
      },
      {
        "amount": "249000000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x17b2c55872338727660aa77776a4056a1a3158ec",
        "scheme": "exact"
      }
    ],
    "description": "OHLCV candles for crypto perpetual futures, 1m to 1d, on trade price (mark and index where the venue publishes them), across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives, Coinbase — legacy API, migrated and 12 more). Built from venue 1-minute klines; periods with no data come back as gap rows, not interpolated. DQL filter, timeframe, from, to. No charge when no candle is returned. 0.005 USDC per call.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "from": "2026-10-01T00:00:00Z",
              "timeframe": "1h",
              "to": "2026-10-01T06:00:00Z",
              "where": "base in (BTC)"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "evaluated_at": "2026-10-14T12:00:05Z",
              "from": "2026-10-01T00:00:00Z",
              "items": [
                {
                  "candles": [
                    {
                      "close": 64180.5,
                      "close_time": "2026-10-01T01:00:00Z",
                      "high": 64210,
                      "low": 64050,
                      "open": 64100,
                      "open_time": "2026-10-01T00:00:00Z",
                      "received_at": null,
                      "status": "present",
                      "trade_count": 9130,
                      "venue_ts": null,
                      "volume": 512.4
                    }
                  ],
                  "instrument": "BTC-PERP",
                  "kind": "perpetual",
                  "quote": "USDC",
                  "retention_from": "2026-09-21T00:00:00Z",
                  "source": "derived",
                  "status": "present",
                  "units": {
                    "price": "quote",
                    "volume": "base"
                  },
                  "venue": "HYPERLIQUID",
                  "venue_symbol": "BTC"
                }
              ],
              "items_sha256": "0000000000000000000000000000000000000000000000000000000000000000",
              "price_type": "trade",
              "receipt_id": "3yLdkPqXw7ZaB2nVt0RhUe",
              "served_at": "2026-10-14T12:00:05.000000Z",
              "settled": true,
              "timeframe": "1h",
              "to": "2026-10-01T06:00:00Z",
              "units": "published"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "as_of": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "closed_only": {
                      "default": true,
                      "type": "boolean"
                    },
                    "from": {
                      "description": "Start of the window, UTC, e.g. 2026-10-01T00:00:00Z.",
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "include_gaps": {
                      "default": true,
                      "description": "true (default) keeps periods with no candle as gap rows.",
                      "type": "boolean"
                    },
                    "include_synthetic": {
                      "default": false,
                      "type": "boolean"
                    },
                    "kind": {
                      "default": "perpetual",
                      "enum": [
                        "perpetual",
                        "spot",
                        "all"
                      ],
                      "type": "string"
                    },
                    "number_format": {
                      "default": "json",
                      "enum": [
                        "json",
                        "string"
                      ],
                      "type": "string"
                    },
                    "price_type": {
                      "default": "trade",
                      "description": "trade (default), mark or index.",
                      "enum": [
                        "trade",
                        "mark",
                        "index"
                      ],
                      "type": "string"
                    },
                    "timeframe": {
                      "description": "Candle period, e.g. 1m, 15m, 1h or 1d; GET /v2/dql/catalogue lists them.",
                      "type": "string"
                    },
                    "to": {
                      "description": "End of the window, UTC, e.g. 2026-10-01T06:00:00Z.",
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "trade": {
                      "type": "boolean"
                    },
                    "units": {
                      "default": "published",
                      "enum": [
                        "published",
                        "base"
                      ],
                      "type": "string"
                    },
                    "where": {
                      "description": "DQL selection of the markets to read, e.g. base in (BTC) or venue = HYPERLIQUID and base = BTC.",
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "object"
                        }
                      ]
                    }
                  },
                  "required": [
                    "timeframe",
                    "from",
                    "to"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "capabilities_as_of": {
                      "oneOf": [
                        {
                          "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "data_as_of": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "evaluated_at": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "from": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "items": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "candles": {
                            "type": "array"
                          },
                          "identity_basis": {
                            "enum": [
                              "recorded",
                              "reconstructed"
                            ],
                            "type": "string"
                          },
                          "identity_corrected_at": {
                            "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                            "type": "string"
                          },
                          "instrument": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "kind": {
                            "enum": [
                              "perpetual",
                              "spot"
                            ],
                            "type": "string"
                          },
                          "quote": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "reason": {
                            "enum": [
                              "not_retained",
                              "gap",
                              "insufficient_history",
                              "reference_not_listed",
                              "policy_off",
                              "venue_capability",
                              "no_value",
                              "band_truncated",
                              "partial_coverage",
                              "unit_unknown",
                              "unmapped",
                              "funding_continuous",
                              "collector_gap",
                              "horizon_passed",
                              "connection_lost",
                              "state_lag",
                              "source_error",
                              "horizon_unknown",
                              "freshness_bound",
                              "halted",
                              "no_update",
                              "not_in_scope",
                              "no_venues"
                            ],
                            "type": "string"
                          },
                          "reasons": {
                            "type": "object"
                          },
                          "retention_from": {},
                          "source": {
                            "enum": [
                              "venue",
                              "derived"
                            ],
                            "type": "string"
                          },
                          "status": {
                            "enum": [
                              "present",
                              "stale",
                              "missing",
                              "not_published",
                              "off"
                            ],
                            "type": "string"
                          },
                          "units": {
                            "type": "object"
                          },
                          "venue": {
                            "type": "string"
                          },
                          "venue_symbol": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "instrument",
                          "venue",
                          "venue_symbol",
                          "quote",
                          "status",
                          "source",
                          "retention_from",
                          "units",
                          "candles"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "items_sha256": {
                      "pattern": "^[0-9a-f]{64}$",
                      "type": "string"
                    },
                    "listings_as_of": {
                      "oneOf": [
                        {
                          "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "normalisation_version": {
                      "type": "string"
                    },
                    "price_type": {
                      "enum": [
                        "trade",
                        "mark",
                        "index"
                      ],
                      "type": "string"
                    },
                    "receipt_id": {
                      "pattern": "^[0-9A-Za-z]{22}$",
                      "type": "string"
                    },
                    "resolved_from": {
                      "additionalProperties": {
                        "type": "string"
                      },
                      "type": "object"
                    },
                    "served_at": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}\\.[0-9]{6}Z$",
                      "type": "string"
                    },
                    "settled": {
                      "type": "boolean"
                    },
                    "timeframe": {
                      "type": "string"
                    },
                    "to": {
                      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
                      "type": "string"
                    },
                    "units": {
                      "enum": [
                        "published",
                        "base"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "evaluated_at",
                    "settled",
                    "items_sha256",
                    "timeframe",
                    "price_type",
                    "from",
                    "to",
                    "units",
                    "items"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790948379/bazaar-icons/d75ee889ee21cd6b.png",
    "lastUpdated": "2026-10-27T10:00:04.631Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-15T07:31:45.835Z"
    },
    "resource": "https://api.debyko.com/v2/candles",
    "serviceName": "DEBYKO",
    "tags": [
      "ohlcv",
      "candles",
      "perpetuals",
      "derivatives",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "OHLCV candles for crypto perpetual futures, 1m to 1d, on trade price (mark and index where the venue publishes them), across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives, Coinbase — legacy API, migrated and 12 more). Built from venue 1-minute klines; periods with no data come back as gap rows, not interpolated. DQL filter, timeframe, from, to. No charge when no candle is returned. 0.005 USDC per call."
}

What the leaf hashes

{"body":"1c5a6a64da6a2c93de3e0f39b63e6d6e385af96af23fe36c53529cd1b3851b4b","id":452179,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100518496063,"prev":65903,"subject":"x402_bazaar:https://api.debyko.com/v2/candles","subject_kind":"source_record"}

Proof

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

  1. 0x2083bc4a3289ade06406897e0e32b297cde7214d9e5d9936708e30662032ab4e
  2. 0x89e7ec901cc01bbc139f4986276c62b5cc88da80c3e67a4cea1214823172099b
  3. 0x6f36a17868ce33a3abe240a3714afccf73662c2afcbfb944123d5532de6b1d91
  4. 0x646699edd250794f34229d0ef89084c39b02cb9d095dd8b15f941e454f2b6587
  5. 0x418e86751d5e2b847ee9363c680f6964bc56112de7347dff22072e692572e419
  6. 0x761fbda382a7ca555ef138d259181ee85d2d66878085bae327167a517371d991
  7. 0x0471fa4715eb9a865a20608d8b410e217902860a90efcabd8d082fa743b89fa4
  8. 0x54e472d330583ac9cb68cb2ae1c9653e3acfd738b27e10dab71c5436c2e711c4
  9. 0xebd2260d02ea2a82fb7040953a3c54037b1ea798b4c0388374dcd706c997f5ac
  10. 0x1b988ecad90134ffab61568269963f788ff682e879f6b40e10a928fd89837e2c
  11. 0x5b0b64ab1e36bf2ec3c04be82716d130476b3af9a60be0d19dcbdf8a3b7e3da9
  12. 0xd4460ea292e8308ed2accdcd5b386b0914636a5b8cec975011dff814c29ff99a
  13. 0x20ca24353b8aca3e061eedf55f49b69ae8369b88135dfdabf30039ed34db329a
  14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
  15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
  16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
  17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON