← The evidence ledger
Evidence row 1261993
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/snapshots
- Recorded
- Previous row
- #527118
- Body SHA-256
- 53a12701493b4e08dcc318909dd05a96b90210f828ed372dba4d6e0b8f34e991
- Leaf
- 0xdd9fd11d5b97fa359876f93086452cfbb74f0be562bad0742eefc8ec9670322b
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": "2026-10-30T07:18:45.414Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-30T07:18:44.917Z"
},
"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":"53a12701493b4e08dcc318909dd05a96b90210f828ed372dba4d6e0b8f34e991","id":1261993,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385518932658,"prev":527118,"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 (243099 rows).
- 0xdda01d03039568f85cc0d46fa26e5945a1e4f85f3a98b82baa6016fa0f1c16ed
- 0x3650e1f10eb928424d3ff7db5bae9491d30516e733a21d1b65c66c3064869e44
- 0x29f1a0ffba6f385d2716c3ee929f1a7ae09443e7c883b3681d510272fdbd34bd
- 0xf955f1e78e8e0c142201cc97abbfa9672e5398c64590aa1384968962c8119ea1
- 0x144b4da550418b674ccd01caa7d20fd986969ce0a4e2f1304d56b98544692685
- 0x897e62cb5f3f571d0ba681fbb701663038729dfdbe05e5b55586720cdbcbf389
- 0x7b7283914c95128088c2b8405a6cc1e756400fb58b97ef166f3e00a383917262
- 0x7f2590cb5de23659e2401941c7ff3efe33a13152599b477e5f66db1ee84a38ac
- 0x1de8a74ca02ee0eaf7589c35acde43617ea031c4812d72d206696461b3dbb023
- 0xb319480413f6ab123a29f7574501c13bc89d8e51a1494a137621ec5c164e8b0b
- 0x03cebb575c8a814506f924bc33f1e4ee44ef659c2045f016ac200259ab3a7642
- 0x5a93c3c6caba5329acbb2557fd733fc09280a63cc9d2c7bf97eca13959f7d500
- 0xde6330cd2fd87d4a03322cd4edc4146f5af228840069c80439e47f69c6b7fbfa
- 0xbfb4e09ea246d6cb4bd9c9eab033e6c0a787969a9a66a77312e83430b0de95f8
- 0xf007cd9640267a58ddffce96e27f5682cf5c47530f53dc15dc53e4ccd405c6c9
- 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
- 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861