← The evidence ledger
Evidence row 65903
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/candles
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7ddb8ae5c16938b3a8bd63011dd8f88c181b453d6730ce2fbcfac829e83063db
- Leaf
- 0x36e403de49a4387fa3190dc7fca4a821fb2029fd550607afe8c43a94491dd976
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 International Exchange (legacy; migrated to Deribit) and 13 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$",
"type": "string"
},
"instrument": {
"type": [
"string",
"null"
]
},
"kind": {
"enum": [
"perpetual",
"spot"
],
"type": "string"
},
"quote": {
"type": [
"string",
"null"
]
},
"reason": {
"enum": [
"not_retained",
"gap",
"insufficient_history",
"reference_not_listed",
"policy_off",
"venue_capability",
"no_value",
"band_truncated",
"unit_unknown",
"unmapped",
"funding_continuous",
"collector_gap",
"horizon_passed",
"connection_lost",
"state_lag",
"source_error",
"horizon_unknown",
"freshness_bound",
"halted",
"no_update",
"not_in_scope",
"no_venues"
],
"type": "string"
},
"reasons": {
"type": "object"
},
"retention_from": {},
"source": {
"enum": [
"venue",
"derived"
],
"type": "string"
},
"status": {
"enum": [
"present",
"stale",
"missing",
"not_published",
"off"
],
"type": "string"
},
"units": {
"type": "object"
},
"venue": {
"type": "string"
},
"venue_symbol": {
"type": "string"
}
},
"required": [
"instrument",
"venue",
"venue_symbol",
"quote",
"status",
"source",
"retention_from",
"units",
"candles"
],
"type": "object"
},
"type": "array"
},
"items_sha256": {
"pattern": "^[0-9a-f]{64}$",
"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"
},
"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": "2026-10-15T07:31:46.304Z",
"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 International Exchange (legacy; migrated to Deribit) and 13 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":"7ddb8ae5c16938b3a8bd63011dd8f88c181b453d6730ce2fbcfac829e83063db","id":65903,"kind":"listing","method":"baseline/1","observed_us":1793025459350144,"prev":null,"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 (296695 rows).
- 0x36e3f902d4385c146a6cd90a7c1fe1075ea5549ba5dd9b3db2e018ded185227a
- 0xa23a5921ba7fda0d09284d4a00281bb78b402849398d2980b305dace09e0d8ab
- 0x491bc280b614881b47db0f5d7cbf1f4c0cfae8e1f8dfffa73d7f90785e33abb8
- 0x05117d07706651358dc1bf7edcd4f45569639d38dde9b6d6a88b5fc114f01f04
- 0xb51a991a2a19c182a712a74797961530c51d779145062dd89aebbd73a9b2fbc9
- 0xf086f2e17e56c13a724fb43466bded3c52f62bd123461daf2d62daf60b8d9fbe
- 0x7346d7a113b06f9ae473467c40273c819f9d2949f4ba06be21a050757572a83f
- 0x8b43aaf6a6f90455c163e7c772f4a55e917f5f5dfafb02481e027dde607d5815
- 0x033a42b89f3e3407122c0d602f35a71e0aa466f24cb3329c48bbd21e937c0e2d
- 0x7f646cc5e17121efe4381acea1d941112b5aa8de81dc471998b936a49db0f9d4
- 0x6cbefa9ec57ab9d64a7d01c677008d2c83081eace93b8302d64510745c5d3e36
- 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
- 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae