← The evidence ledger
Evidence row 1039036
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/screen
- Recorded
- Previous row
- #527104
- Body SHA-256
- cef8f2bacf9b16272b926b5cd1ac7dfad4514adb232df51bb6efc608a1d93f24
- Leaf
- 0xb5bd77569802c81bb855a285b4d85fadddff19c160afb1577e43b441f0d3d6c6
What was observed
{
"endpoints": [
[
"x402",
"https://api.debyko.com/v2/screen"
]
],
"name": "DEBYKO",
"owner_address": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"raw": {
"accepts": [
{
"amount": "10000",
"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 screener that finds markets across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13 more) by funding rate, open interest, price, basis, volume or data age with a DQL query, e.g. any(venues where funding > 0). Returns the matching instruments with each venue's value, its timestamp and age. No charge when nothing recorded is returned. 0.01 USDC per call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"limit": 2,
"query": "any(venues where funding > 0)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"as_of": null,
"dql": "1",
"evaluated_at": "2026-10-14T12:00:05Z",
"freshness": {},
"instruments": [
{
"instrument": "BTC-PERP",
"result": "true",
"values": {},
"venues": [
{
"quote": "USDC",
"symbol": "BTC",
"values": {
"funding": {
"age_ms": 1000,
"anchor": "receipt",
"horizon_source": "assumed",
"layer": "funding",
"received_at": "2026-10-14T12:00:04Z",
"status": "present",
"unit": "fraction",
"valid_until": "2026-10-14T12:05:04Z",
"value": 0.0000125,
"venue": "HYPERLIQUID",
"venue_age_ms": null,
"venue_ts": null
}
},
"venue": "HYPERLIQUID"
},
{
"quote": "USD",
"symbol": "PF_XBTUSD",
"values": {
"funding": {
"age_ms": 1000,
"anchor": "receipt",
"horizon_source": "assumed",
"layer": "funding",
"received_at": "2026-10-14T12:00:04Z",
"status": "present",
"unit": "fraction",
"valid_until": "2026-10-14T12:05:04Z",
"value": 0.00001,
"venue": "KRAKEN-FUTURES",
"venue_age_ms": null,
"venue_ts": null
}
},
"venue": "KRAKEN-FUTURES"
}
]
}
],
"page": {
"limit": 2,
"next_cursor": null,
"returned": 1
},
"query": {
"json": {
"condition": {
"type": "any",
"where": {
"left": {
"name": "funding",
"type": "field"
},
"op": ">",
"right": {
"type": "number",
"value": 0
},
"type": "cmp"
}
},
"dql": "1"
},
"string": "any(venues where funding > 0)"
},
"settled": false
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"allow_stale": {
"default": false,
"type": "boolean"
},
"cursor": {
"description": "The next_cursor of the previous answer, for the next page.",
"type": "string"
},
"include_atoms": {
"default": false,
"type": "boolean"
},
"include_unknown": {
"default": false,
"description": "true also returns the instruments the data could not decide.",
"type": "boolean"
},
"limit": {
"default": 100,
"description": "How many instruments one page returns.",
"minimum": 1,
"type": "integer"
},
"number_format": {
"default": "json",
"enum": [
"json",
"string"
],
"type": "string"
},
"query": {
"description": "DQL condition on markets, e.g. any(venues where funding > 0).",
"type": "string"
},
"query_object": {
"type": "object"
},
"units": {
"default": "published",
"enum": [
"published",
"base"
],
"type": "string"
}
},
"required": [],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"as_of": {
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
},
"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$",
"type": "string"
},
{
"type": "null"
}
]
},
"dql": {
"type": "string"
},
"evaluated_at": {
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
"freshness": {
"additionalProperties": {
"type": [
"string",
"null"
]
},
"type": "object"
},
"instruments": {
"items": {
"additionalProperties": false,
"properties": {
"instrument": {
"type": "string"
},
"result": {
"enum": [
"true",
"false",
"unknown"
],
"type": "string"
},
"scopes": {
"type": "object"
},
"values": {
"type": "object"
},
"venues": {
"type": "array"
}
},
"required": [
"instrument",
"result",
"values",
"venues"
],
"type": "object"
},
"type": "array"
},
"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$",
"type": "string"
},
{
"type": "null"
}
]
},
"normalisation_version": {
"type": "string"
},
"page": {
"additionalProperties": false,
"properties": {
"limit": {
"type": "integer"
},
"next_cursor": {
"type": [
"string",
"null"
]
},
"returned": {
"type": "integer"
}
},
"required": [
"limit",
"returned",
"next_cursor"
],
"type": "object"
},
"query": {
"additionalProperties": false,
"properties": {
"json": {
"type": "object"
},
"string": {
"type": "string"
}
},
"required": [
"string",
"json"
],
"type": "object"
},
"receipt_id": {
"pattern": "^[0-9A-Za-z]{22}$",
"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"
}
},
"required": [
"dql",
"query",
"evaluated_at",
"as_of",
"settled",
"freshness",
"instruments",
"page"
],
"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": "2026-10-28T22:53:39.857Z",
"quality": {
"l30DaysTotalCalls": 210,
"l30DaysUniquePayers": 8,
"lastCalledAt": "2026-10-28T22:53:39.257Z"
},
"resource": "https://api.debyko.com/v2/screen",
"serviceName": "DEBYKO",
"tags": [
"screener",
"funding-rate",
"open-interest",
"perpetuals",
"crypto"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Crypto perpetual futures screener that finds markets across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13 more) by funding rate, open interest, price, basis, volume or data age with a DQL query, e.g. any(venues where funding > 0). Returns the matching instruments with each venue's value, its timestamp and age. No charge when nothing recorded is returned. 0.01 USDC per call."
}What the leaf hashes
{"body":"cef8f2bacf9b16272b926b5cd1ac7dfad4514adb232df51bb6efc608a1d93f24","id":1039036,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277798689,"prev":527104,"subject":"x402_bazaar:https://api.debyko.com/v2/screen","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0xb5bd5ec1c379393011968e687c7caf2dbea09dda9c0dcbf026714ac18a81fbb1
- 0xe77e66b49f59af85bbc8397a528a1def13c2dd0d114e5af130e6d5796455fe22
- 0x37065014eb6d984d30f97af5d81239e84dc3d0f8f02d89ec276af36914878207
- 0x08ecf41e951d4727b07df1eab2dfcec6e9cca3f6210f017fd63d16834014a350
- 0x5382953c5642d659cbbb4cbcf3399206fd676dd5eb7146a77bd2a7dd921c46e2
- 0x41abdd95fface09fbed17af4e2ba03ca8363774426989250b6b74f2a01c85da9
- 0x4c86f5f7927a45c24a598020ca4811e60188bab994a4f4a6e78ce1ffe7b39e4e
- 0xeb68288727d7b565ae9a729c80b069a8c475d8b13485ac145b3c05e62d528533
- 0xf77cac55a794e872e3fb59684257c921fbc26415e46f3f6d73fb30a377075e6c
- 0xfcbb4e39ff13745b728ba35d94886cb096acdb506e6f7e749b6a33628c3e2445
- 0x4ebcc5c2be527a38d0a4e1464272e716b49b59057be043eb63406a1b2e8b0112
- 0x8a80eb72d65dfbe23a9969ac33c9e43e7f153e153880934669dd92a8581c58c8
- 0x43b137280a2d52b448f2b8cd8b398476e85b20c963b64b48ff126cff6ec4a020
- 0x25bdeb6e977b537e5ffb55862bdb08b7a547e08d655551b6a97e31264fefa58a
- 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
- 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
- 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1