← The evidence ledger
Evidence row 527104
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/screen
- Recorded
- Previous row
- #452158
- Body SHA-256
- 27299cae15cbc1a93792b2af2eadf3953f7b14f73548956ddbdd8487725c6c3d
- Leaf
- 0xf0f18cd71eab054fdd47c868d3c2f345d6e8542211a4c2c0de3e899a7664e9f6
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": 209,
"l30DaysUniquePayers": 7,
"lastCalledAt": "2026-10-27T10:00:27.749Z"
},
"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":"27299cae15cbc1a93792b2af2eadf3953f7b14f73548956ddbdd8487725c6c3d","id":527104,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124794305980,"prev":452158,"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).
- 0xf0f1d4f8ccdf3ef3696d701fff318b5c8ba44022ddea6f84fe7d1d90e7e81e21
- 0xcd7d7045ab6199573395c3e1feab8cd4e7d540cfcc242e3c3a73b1ba3eaf298e
- 0x517f3a7fce7c7dcba0ea926e723500466cd6468d108d0b26652250253910a909
- 0xeeb852acaf7884cde44a7a26e9aeb3f5242d7c034eebab2d5bcb61401ec7df52
- 0x95ec672622f1ad6c2c861dcb5a3281a3eef26f73af6b661b065f78e8bdf5e2c6
- 0x27b7a0c0dfabf0e7b5007558cd945a2c23c2b6ad4039cba7585be6cc71928eca
- 0xdf6a73556862694ada0d64893b1a78a57ad968a1caf641ff99170aea1702d4ea
- 0xeae2ec997a9feb303ecd3871925d1920aef8615d3eb140624dd6d6ac82a954de
- 0x1f68575e46dee472165bdb628b6d52b9b8df567aee06d115a9d35adff5783234
- 0xa8ede6cbd2329bd5bed9232d36784842db5d39cce33fa60c3f43dfb8d8d175a2
- 0x86a162701c5c4382d7e2217c5bfe590eb52de9faf1001063b4fb50d51cc6745b
- 0x8b1294df8f40a2bb6ff0bafdf2505700af24dfe2985fb999b2353f4c85cb56ba
- 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
- 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
- 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4