← The evidence ledger
Evidence row 65906
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.debyko.com/v2/snapshots/history
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 469c2522667b632e5ca3e82fdfd85ad3a2a67d68eedc4217106bfd7e7a30de98
- Leaf
- 0xeea271b6ca8a4d4c79e6f8159bb79905cb3dd364b46e7bf187207eaa4be7dc6b
What was observed
{
"endpoints": [
[
"x402",
"https://api.debyko.com/v2/snapshots/history"
]
],
"name": "DEBYKO",
"owner_address": "0x17b2c55872338727660aa77776a4056a1a3158ec",
"raw": {
"accepts": [
{
"amount": "20000",
"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": "As-of snapshot of any instrument at a past moment, exactly as stored; gaps returned as gaps.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"from": "2026-10-01T00:00:00Z",
"interval": "1h",
"layers": [
"funding"
],
"to": "2026-10-01T06:00:00Z",
"where": "base in (BTC)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"evaluated_at": "2026-10-02T09:00:00.000Z",
"freshness": {},
"from": "2026-10-01T00:00:00Z",
"interval": "1h",
"items": [],
"items_sha256": "0000000000000000000000000000000000000000000000000000000000000000",
"mode": "interval",
"settled": true,
"to": "2026-10-01T06:00:00Z",
"units": "published"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"allOf": [
{
"anyOf": [
{
"not": {
"anyOf": [
{
"required": [
"interval"
]
},
{
"properties": {
"raw": {
"enum": [
true
]
}
},
"required": [
"raw"
]
}
]
}
},
{
"required": [
"from",
"to"
]
}
]
},
{
"anyOf": [
{
"not": {
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"at"
]
}
},
{
"not": {
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{
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"from"
]
},
{
"required": [
"to"
]
}
]
}
}
]
}
],
"properties": {
"allow_stale": {
"default": false,
"type": "boolean"
},
"at": {
"items": {
"type": "string"
},
"type": "array"
},
"freshness": {
"type": "string"
},
"from": {
"allOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
}
]
},
"include_gaps": {
"default": true,
"type": "boolean"
},
"include_synthetic": {
"default": false,
"type": "boolean"
},
"interval": {
"type": "string"
},
"layers": {
"items": {
"enum": [
"ticker",
"mark",
"funding",
"oi",
"book",
"stats",
"venue_depth"
],
"type": "string"
},
"type": "array"
},
"number_format": {
"default": "json",
"enum": [
"json",
"string"
],
"type": "string"
},
"raw": {
"default": false,
"type": "boolean"
},
"to": {
"allOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
}
]
},
"units": {
"default": "published",
"enum": [
"published",
"base",
"quote"
],
"type": "string"
},
"where": {
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"capabilities_as_of": {
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
},
"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$",
"type": "string"
},
"freshness": {
"additionalProperties": {
"type": [
"string",
"null"
]
},
"type": "object"
},
"from": {
"allOf": [
{
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
}
]
},
"interval": {
"type": "string"
},
"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$",
"type": "string"
},
"instrument": {
"type": [
"string",
"null"
]
},
"layers": {
"type": "object"
},
"quote": {
"type": [
"string",
"null"
]
},
"reason": {
"type": "string"
},
"venue": {
"type": "string"
},
"venue_symbol": {
"type": "string"
}
},
"required": [
"instrument",
"venue",
"venue_symbol",
"quote",
"layers"
],
"type": "object"
},
"type": "array"
},
"items_sha256": {
"pattern": "^[0-9a-f]{64}$",
"type": "string"
},
"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$",
"type": "string"
},
{
"type": "null"
}
]
},
"mode": {
"enum": [
"interval",
"at",
"raw"
],
"type": "string"
},
"receipt_id": {
"pattern": "^[0-9A-Za-z]{22}$",
"type": "string"
},
"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$",
"type": "string"
},
"settled": {
"type": "boolean"
},
"to": {
"oneOf": [
{
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{3})?Z$",
"type": "string"
},
{
"type": "null"
}
]
},
"units": {
"enum": [
"published",
"base",
"quote"
],
"type": "string"
}
},
"required": [
"evaluated_at",
"settled",
"items_sha256",
"mode",
"units",
"freshness",
"items"
],
"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": "2026-10-04T17:22:13.307Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-04T17:22:12.812Z"
},
"resource": "https://api.debyko.com/v2/snapshots/history",
"serviceName": "DEBYKO",
"tags": [
"crypto",
"perpetuals",
"market-data",
"history",
"point-in-time"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "As-of snapshot of any instrument at a past moment, exactly as stored; gaps returned as gaps."
}What the leaf hashes
{"body":"469c2522667b632e5ca3e82fdfd85ad3a2a67d68eedc4217106bfd7e7a30de98","id":65906,"kind":"listing","method":"baseline/1","observed_us":1793025459356318,"prev":null,"subject":"x402_bazaar:https://api.debyko.com/v2/snapshots/history","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xeea25258ec90fefb0b2ff77833012cbbe4d04f79ff6cc2c7a828a1dc72e04e49
- 0xec462936ca5b3097029d9252755d21402d8cb0d7f3a58ed7a992f3c5dc733d9f
- 0x0356793019ce437baed14f695b16e8811288a12cbd9981093f9fe9838538745c
- 0x8761648b4c3606d2841f122ddc46411494950835c801df2dc0d9d0bdf3e1838a
- 0xf2a190199b954f05b9761c0255d088f287be6924efa54b82412fde55b3d7194c
- 0xfad4f48d7e55a7c0ee426e609a4193361d11f6820e316b7a26f9a45cd7b5b616
- 0x0d483285de2fd94f806eb3e49141b3410f9cc58f4095b6477fa04a7a7172dd0c
- 0x5a65aa65cc80cd9024589e5e42ed99bccc0a229497f5dcf2ca1211915b2ceff8
- 0xc2802e175466f90063abc5e22614fde16de6a0b7d11b3f61692936b273000d81
- 0x6a342165fe5c2fa8b0f8cd8b99ab88e01f9e0a758f16ba9193ba775d71446fbb
- 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
- 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
- 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae