← The evidence ledger
Evidence row 73047
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://darklyenergized.com/api/v1/x402/series/cb_usd_gbcbbs
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b590971af71872c87ddc2cf039865881284d0a34cebbbe929fa27fd34da36026
- Leaf
- 0xd185609408c09e992f9edfa8f0cd389f8043ca1ec5448d494246a87bf281fd80
What was observed
{
"endpoints": [
[
"x402",
"https://darklyenergized.com/api/v1/x402/series/cb_usd_gbcbbs"
]
],
"name": "Darkly Energized",
"owner_address": "0x540b090cf83d74eaaf12faaacd1b8f481a1b5501",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x540B090cF83D74eaAf12fAAacd1B8f481a1B5501",
"scheme": "exact"
}
],
"description": "Bank of England Total Assets (USD) ($0.05): Bank of England total assets converted to USD.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "2026-01-01",
"limit": 500
},
"type": "http"
},
"output": {
"example": {
"data": {
"category": "Central Bank",
"data": [
{
"time": "2026-10-01",
"value": 1.23
}
],
"description": "Bank of England total assets converted to USD.",
"frequency": "daily",
"id": "cb_usd_gbcbbs",
"name": "Bank of England Total Assets (USD)",
"unit": "USD"
},
"meta": {
"count": 1,
"pagination": {
"cursor": "2026-10-01",
"hasMore": true,
"total": 7351
},
"timestamp": "2026-10-01T00:00:00.000Z"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"after": {
"description": "Return points after this date (meta.pagination.cursor)",
"format": "date",
"type": "string"
},
"from": {
"description": "Start date (YYYY-MM-DD)",
"format": "date",
"type": "string"
},
"limit": {
"default": 500,
"description": "Most data points to return, oldest first",
"maximum": 10000,
"minimum": 1,
"type": "integer"
},
"summary": {
"default": false,
"description": "Return a statistical summary instead of the data points",
"type": "boolean"
},
"to": {
"description": "End date (YYYY-MM-DD)",
"format": "date",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"oneOf": [
{
"properties": {
"data": {
"properties": {
"category": {
"type": "string"
},
"data": {
"items": {
"properties": {
"time": {
"example": "2026-02-14",
"format": "date",
"type": "string"
},
"value": {
"description": "Null where the series has no value on that date (for example while a computed series warms up).",
"example": 1.23,
"type": [
"number",
"null"
]
}
},
"required": [
"time",
"value"
],
"type": "object"
},
"type": "array"
},
"description": {
"type": "string"
},
"frequency": {
"type": "string"
},
"id": {
"type": "string"
},
"name": {
"type": "string"
},
"unit": {
"type": "string"
}
},
"required": [
"id",
"name",
"description",
"category",
"frequency",
"data"
],
"type": "object"
},
"meta": {
"properties": {
"count": {
"type": "integer"
},
"dataRange": {
"properties": {
"from": {
"format": "date",
"type": "string"
},
"to": {
"format": "date",
"type": "string"
}
},
"type": "object"
},
"freshness": {
"properties": {
"frequency": {
"type": "string"
},
"isStale": {
"type": "boolean"
},
"lastObservation": {
"format": "date",
"type": "string"
}
},
"type": "object"
},
"pagination": {
"properties": {
"cursor": {
"type": "string"
},
"hasMore": {
"type": "boolean"
},
"total": {
"type": "integer"
}
},
"type": "object"
},
"timestamp": {
"format": "date-time",
"type": "string"
}
},
"required": [
"timestamp"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
{
"properties": {
"data": {
"properties": {
"category": {
"type": "string"
},
"description": {
"type": "string"
},
"frequency": {
"type": "string"
},
"id": {
"type": "string"
},
"interpretation": {
"example": "Federal Reserve Total Assets is at 6.78T, up 0.3% this week. All Federal Reserve Banks: Total Assets.",
"type": "string"
},
"name": {
"type": "string"
},
"summary": {
"properties": {
"changes": {
"additionalProperties": {
"type": [
"number",
"null"
]
},
"description": "Percent changes for standard periods; null where the series has too little data for that period",
"example": {
"1M": -3.1,
"1W": 5.2,
"1Y": 15.3,
"3M": 12.4,
"6M": -8.7
},
"type": "object"
},
"count": {
"type": "integer"
},
"dateRange": {
"properties": {
"from": {
"format": "date",
"type": "string"
},
"to": {
"format": "date",
"type": "string"
}
},
"type": "object"
},
"latest": {
"properties": {
"time": {
"format": "date",
"type": "string"
},
"value": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"range": {
"properties": {
"avg": {
"type": [
"number",
"null"
]
},
"max": {
"type": [
"number",
"null"
]
},
"min": {
"type": [
"number",
"null"
]
}
},
"type": "object"
}
},
"required": [
"latest",
"changes",
"range",
"count",
"dateRange"
],
"type": "object"
},
"unit": {
"type": "string"
}
},
"required": [
"id",
"name",
"description",
"summary",
"interpretation"
],
"type": "object"
},
"meta": {
"properties": {
"count": {
"type": "integer"
},
"dataRange": {
"properties": {
"from": {
"format": "date",
"type": "string"
},
"to": {
"format": "date",
"type": "string"
}
},
"type": "object"
},
"freshness": {
"properties": {
"frequency": {
"type": "string"
},
"isStale": {
"type": "boolean"
},
"lastObservation": {
"format": "date",
"type": "string"
}
},
"type": "object"
},
"pagination": {
"properties": {
"cursor": {
"type": "string"
},
"hasMore": {
"type": "boolean"
},
"total": {
"type": "integer"
}
},
"type": "object"
},
"timestamp": {
"format": "date-time",
"type": "string"
}
},
"required": [
"timestamp"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
}
],
"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/v1792074112/bazaar-icons/4f30b35f87c39f8e.png",
"lastUpdated": "2026-10-15T14:28:35.493Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-15T14:28:35.362Z"
},
"resource": "https://darklyenergized.com/api/v1/x402/series/cb_usd_gbcbbs",
"serviceName": "Darkly Energized",
"tags": [
"central-banks",
"liquidity",
"macro",
"balance-sheets",
"usd"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Bank of England Total Assets (USD) ($0.05): Bank of England total assets converted to USD."
}What the leaf hashes
{"body":"b590971af71872c87ddc2cf039865881284d0a34cebbbe929fa27fd34da36026","id":73047,"kind":"listing","method":"baseline/1","observed_us":1793025486978297,"prev":null,"subject":"x402_bazaar:https://darklyenergized.com/api/v1/x402/series/cb_usd_gbcbbs","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).
- 0xd18534c4a7d47a9a8e7363c0eec07deae2d3a8f2550317aa4dd2d094268f0fba
- 0x289beca4a9ea702178d02d5b026970664693752262655ef7246d4f46fb12986a
- 0xa1548a8c803ad49d1a23f58083f67aaebabc775fb16b7bd0969c777bb654bfd0
- 0xb27c08291aaed39230218aa639c89408906c3302d7182e446cdbb86ac84e1c38
- 0xfac0bd5d3d346b9be253157d51e69051813e4b188f446c6f69415124073c9e28
- 0xd4da84e40e3702626ad65fbd8aca4740a9345820dc5a571c37a8525f2facfa21
- 0xb4814163f9e7e739a8cbfb626fd6a3f170e12f0d5a768d1880c17d0a9faeb5a7
- 0xeee2f9cb76f85954a1760de31b4573c2824574873a17a5250bfc362cafa25191
- 0x24aa5cec7ee3a63ea52a8186728f7bb1bf9ada46b07c199990e9b7c0c368b7ac
- 0xd03ba161f40c51580284bcf2e65fb1818a9cf130ec62c36d7043b982e4e3abee
- 0xf2fdee89378769052782dfd25aeff4865ec268617aa70e6d5f36f0b04808af0c
- 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
- 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae