← The evidence ledger
Evidence row 452177
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/snapshots
- Recorded
- Previous row
- #65905
- Body SHA-256
- b5c7d81165600b8797e92ea32d0c85676971a8fba3dbe5711266f2ea1789c59c
- Leaf
- 0xc286b5347aa19bf9d7316278f76638425977ad1a6aaba9ca23396376560f2eb6
What was observed
{
"endpoints": [
[
"x402",
"https://api.debyko.com/v2/snapshots"
]
],
"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": "Crypto perpetual futures funding rate, open interest, mark and index price, basis, bid and ask, order book depth and 24h volume: the latest value of every market across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13 more). DQL filter, e.g. base in (BTC). Each value carries venue timestamp, receive time and age; stale values are withheld. No charge when nothing recorded is returned. 0.005 USDC per call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"layers": [
"funding",
"oi",
"mark"
],
"where": "base in (BTC, ETH)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"evaluated_at": "2026-10-14T12:00:05Z",
"freshness": {
"funding": null,
"mark": null,
"oi": null
},
"items": [
{
"instrument": "BTC-PERP",
"kind": "perpetual",
"layers": {
"funding": {
"age_ms": 1000,
"anchor": "receipt",
"horizon_source": "assumed",
"received_at": "2026-10-14T12:00:04Z",
"status": "present",
"units": {
"funding": "fraction",
"funding_8h": "fraction"
},
"valid_until": "2026-10-14T12:05:04Z",
"values": {
"funding": 0.0000125,
"funding_8h": 0.0001
},
"venue_age_ms": null,
"venue_ts": null
},
"mark": {
"age_ms": 1000,
"anchor": "receipt",
"horizon_source": "assumed",
"received_at": "2026-10-14T12:00:04Z",
"status": "present",
"units": {
"basis": "fraction",
"index": "quote",
"mark": "quote"
},
"valid_until": "2026-10-14T12:05:04Z",
"values": {
"basis": 0.0000358,
"index": 64248.2,
"mark": 64250.5
},
"venue_age_ms": null,
"venue_ts": null
},
"oi": {
"age_ms": 1000,
"anchor": "receipt",
"horizon_source": "assumed",
"received_at": "2026-10-14T12:00:04Z",
"status": "present",
"units": {
"oi": "base"
},
"valid_until": "2026-10-14T12:05:04Z",
"values": {
"oi": 30000.5
},
"venue_age_ms": null,
"venue_ts": null
}
},
"quote": "USDC",
"venue": "HYPERLIQUID",
"venue_symbol": "BTC"
}
],
"missing": [],
"receipt_id": "3yLdkPqXw7ZaB2nVt0RhUe",
"served_at": "2026-10-14T12:00:05.000000Z",
"units": "published"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"allow_stale": {
"default": false,
"type": "boolean"
},
"include_raw": {
"default": false,
"type": "boolean"
},
"include_synthetic": {
"default": false,
"type": "boolean"
},
"kind": {
"default": "perpetual",
"description": "Market kind: perpetual (default), spot or all.",
"enum": [
"perpetual",
"spot",
"all"
],
"type": "string"
},
"layers": {
"description": "Layers to read: ticker, mark, funding, oi, book, stats, venue_depth. Every layer when omitted.",
"items": {
"enum": [
"ticker",
"mark",
"funding",
"oi",
"book",
"stats",
"venue_depth"
],
"type": "string"
},
"type": "array"
},
"number_format": {
"default": "json",
"description": "json (default) returns numbers; string returns them as strings with the same digits.",
"enum": [
"json",
"string"
],
"type": "string"
},
"units": {
"default": "published",
"description": "published keeps each venue's own unit (default); base converts quantities to the base asset.",
"enum": [
"published",
"base"
],
"type": "string"
},
"where": {
"description": "DQL selection of the markets to read, e.g. base in (BTC, ETH) or venue = HYPERLIQUID and base = BTC.",
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"required": [],
"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": {
"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"
},
"freshness": {
"additionalProperties": {
"type": [
"string",
"null"
]
},
"type": "object"
},
"items": {
"items": {
"additionalProperties": false,
"properties": {
"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$",
"type": "string"
},
"instrument": {
"type": [
"string",
"null"
]
},
"kind": {
"enum": [
"perpetual",
"spot"
],
"type": "string"
},
"layers": {
"type": "object"
},
"quote": {
"type": [
"string",
"null"
]
},
"reason": {
"type": "string"
},
"venue": {
"type": "string"
},
"venue_symbol": {
"type": "string"
}
},
"required": [
"instrument",
"venue",
"venue_symbol",
"quote",
"layers"
],
"type": "object"
},
"type": "array"
},
"missing": {
"items": {
"additionalProperties": false,
"properties": {
"instrument": {
"type": "string"
},
"reason": {
"enum": [
"not_listed"
],
"type": "string"
},
"venue": {
"type": "string"
}
},
"required": [
"instrument",
"venue",
"reason"
],
"type": "object"
},
"type": "array"
},
"normalisation_version": {
"type": "string"
},
"receipt_id": {
"pattern": "^[0-9A-Za-z]{22}$",
"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"
},
"units": {
"enum": [
"published",
"base"
],
"type": "string"
}
},
"required": [
"evaluated_at",
"units",
"freshness",
"items",
"missing"
],
"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": "2026-10-27T10:00:06.21Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-15T07:19:28.142Z"
},
"resource": "https://api.debyko.com/v2/snapshots",
"serviceName": "DEBYKO",
"tags": [
"funding-rate",
"open-interest",
"perpetuals",
"derivatives",
"crypto"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Crypto perpetual futures funding rate, open interest, mark and index price, basis, bid and ask, order book depth and 24h volume: the latest value of every market across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13 more). DQL filter, e.g. base in (BTC). Each value carries venue timestamp, receive time and age; stale values are withheld. No charge when nothing recorded is returned. 0.005 USDC per call."
}What the leaf hashes
{"body":"b5c7d81165600b8797e92ea32d0c85676971a8fba3dbe5711266f2ea1789c59c","id":452177,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100518486978,"prev":65905,"subject":"x402_bazaar:https://api.debyko.com/v2/snapshots","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).
- 0xc286f84e016ee1b834c8e153fb1fe9d62c63248618d8d2d1a11543cdc9928573
- 0x344dfeb9bb11076b91003d2c7eb4f1f0446adca32b11769a40df0cfbed4405c8
- 0xd743a06e249780d1adb18dc650d294df1a68780976165cec701779b1996e8141
- 0x15acc71be186f57c3696893da02d8ae143243bc79d0afb432c8c79f724366be8
- 0x3aa04fed4db8fefc32e0b40add1bfae7b75357156178f395b1e5d1a7f3b8b395
- 0x636a06bfde4b70fe047f76ddc0ad3a09585def3227b6f0c34391a973b6fd9b9f
- 0xe2c85cd28bb14602e3a9a081100700b72ac3ac968944f40e3b7b6e22e0dab72b
- 0xb0af488c0ae882f274b72b4fccee39148c39ec2fc4b0bf25523be6cb249c53c7
- 0x65079d98e35640b1d2f69a6be75391ae1d0f9d8d7c8d9ea1efd7c23ae650a5f0
- 0x572d1cc74bcceba9fbf33b27255c0ccfc74c032291a71d0b93440bd4d8549348
- 0xd42fabc45b614023fa5a8deff7b18538443a7a95af9b5415109cc428d27485e6
- 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
- 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
- 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
- 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
- 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4