← The evidence ledger
Evidence row 452158
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/screen
- Recorded
- Previous row
- #65904
- Body SHA-256
- 91ab1dbd510db95c7fdadcc9e175d2c3ed471071dbbe4599db0aa266d61554bd
- Leaf
- 0xc2d29a3dc2ba95326e2eda80952c357903b47b61ae6d51268a02bcba04b63262
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": "2026-10-27T10:00:28.007Z",
"quality": {
"l30DaysTotalCalls": 208,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-22T22:40:57.458Z"
},
"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":"91ab1dbd510db95c7fdadcc9e175d2c3ed471071dbbe4599db0aa266d61554bd","id":452158,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517895551,"prev":65904,"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 (273461 rows).
- 0xc2d2b04645a84fcb7e8540123af1d3a88e606762dd237ac486c6f4562040d288
- 0x0180f05c06f56a3c611df4b18eee8bc5fc2c8a58de2a54585c7d5d166a968e44
- 0x0128bb4a6c9fb6e832a0bf6e8ca33a9cf01a8dba5d537e9f41c0a846cb263827
- 0x2edc57935c8a9807282761b3fe99f7d891f68e5c7a76c782d5532ba3becf5ce7
- 0xa63f3f3e3ef32acd08dc11fe515e261038982eef860b4495f47e40fc6947f36c
- 0xa6e96433f068c7e78443b3b1a5529f06abe52187174013dc1b59173e4fe5860f
- 0x11c7c9ebe57a176dca9c4220ab54ad6ea094012dc086cc363a520fc2216525e8
- 0x4ba5550c1c7f804f2ceb3ae3bd488a7aa2656ab1bcb256ac6c29e898346ebd1d
- 0x0cc7d5994fae648122445b560d817c1b1c8dce32a7ff57994d5dc4408a3f6438
- 0x5b7bcdbcb325dc332830c77617298c32be1b23b64339a30974a75c6254f430b3
- 0xd42fabc45b614023fa5a8deff7b18538443a7a95af9b5415109cc428d27485e6
- 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
- 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
- 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
- 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
- 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4