← The evidence ledger
Evidence row 452100
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://attention-trends.shopttyass-85f.workers.dev/trend
- Recorded
- Previous row
- #71310
- Body SHA-256
- b370465f3c3556055814583867b79b3dc5aa5c9538afaac20c3dc1f5f56e0492
- Leaf
- 0x3d22dec18a4700dc1f0c44dfb4c8dc2ead97641ae44c7963c3466a25cbc40789
What was observed
{
"endpoints": [
[
"x402",
"https://attention-trends.shopttyass-85f.workers.dev/trend"
]
],
"name": "Wikipedia Pageviews Trend",
"owner_address": "0x4e2bca3826e930c2c984b7abb299b5812d5075ea",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x4E2bca3826E930C2c984B7Abb299b5812D5075Ea",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "BRPU1mcPKaag1LxajqUX6BiKFfXxbEZnkFP7QsaZeRXx",
"scheme": "exact"
}
],
"description": "Wikipedia pageviews trend for any topic: interest over time as a measure of topic popularity and public attention. Free text (brand, person, product, event) is resolved to the matching Wikipedia article. Returns daily views normalized 0-100, 7-day and window % change, direction (rising, falling, stable, spiking), peak day and spike detection. Similar in purpose to Google Trends search interest, but it measures Wikipedia reading, not searches.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 30,
"lang": "en",
"topic": "bitcoin"
},
"type": "http"
},
"output": {
"example": {
"article": {
"alternatives": [],
"description": "Decentralized digital cryptocurrency",
"matchedBy": "redirect",
"title": "Bitcoin",
"url": "https://en.wikipedia.org/wiki/Bitcoin",
"wikidata": "Q131723"
},
"lang": "en",
"note": "Source: Wikimedia Pageviews API…",
"series": [
{
"date": "2026-10-20",
"index": 73,
"views": 2250
}
],
"summary": {
"avgDaily": 2200,
"change7dPct": 9.5,
"changeHalfPct": 4.1,
"days": 30,
"direction": "stable",
"last7Avg": 2300,
"medianDaily": 2150,
"peak": {
"date": "2026-10-12",
"views": 3100
},
"prev7Avg": 2100,
"slopePctPerWeek": 1.8,
"spikes": [],
"total": 66000
},
"topic": "bitcoin",
"window": {
"days": 30,
"end": "2026-10-20",
"start": "2026-09-21"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"days": {
"default": 30,
"description": "Window length in days, ending yesterday UTC",
"maximum": 365,
"minimum": 7,
"type": "integer"
},
"lang": {
"default": "en",
"description": "Wikipedia language code (default en)",
"type": "string"
},
"topic": {
"description": "Free-text topic, resolved to the best-matching Wikipedia article (e.g. 'bitcoin', 'Taylor Swift', 'AI Act')",
"type": "string"
}
},
"required": [
"topic"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"article": {
"properties": {
"alternatives": {
"items": {
"type": "object"
},
"type": "array"
},
"description": {
"type": [
"string",
"null"
]
},
"matchedBy": {
"enum": [
"exact",
"redirect",
"search"
],
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
},
"wikidata": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"lang": {
"type": "string"
},
"note": {
"type": "string"
},
"series": {
"items": {
"properties": {
"date": {
"type": "string"
},
"index": {
"description": "0-100, 100 = peak day",
"type": "integer"
},
"views": {
"type": "integer"
}
},
"type": "object"
},
"type": "array"
},
"summary": {
"properties": {
"avgDaily": {
"type": "number"
},
"change7dPct": {
"description": "Last 7 days vs previous 7 days, %",
"type": [
"number",
"null"
]
},
"changeHalfPct": {
"description": "Second half of the window vs first half, %",
"type": [
"number",
"null"
]
},
"days": {
"type": "integer"
},
"direction": {
"enum": [
"rising",
"falling",
"stable",
"spiking"
],
"type": "string"
},
"last7Avg": {
"type": "number"
},
"medianDaily": {
"type": "number"
},
"peak": {
"properties": {
"date": {
"type": "string"
},
"views": {
"type": "integer"
}
},
"type": "object"
},
"prev7Avg": {
"type": "number"
},
"slopePctPerWeek": {
"description": "Log-linear trend, % per week",
"type": "number"
},
"spikes": {
"items": {
"properties": {
"date": {
"type": "string"
},
"ratioToMedian": {
"type": "number"
},
"robustZ": {
"type": "number"
},
"views": {
"type": "integer"
}
},
"type": "object"
},
"type": "array"
},
"total": {
"type": "integer"
}
},
"type": "object"
},
"topic": {
"type": "string"
},
"window": {
"properties": {
"days": {
"type": "integer"
},
"end": {
"type": "string"
},
"start": {
"type": "string"
}
},
"type": "object"
}
},
"required": [
"topic",
"article",
"summary",
"series"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T10:03:32.077Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-24T06:40:56.502Z"
},
"resource": "https://attention-trends.shopttyass-85f.workers.dev/trend",
"serviceName": "Wikipedia Pageviews Trend",
"tags": [
"wikipedia pageviews",
"interest over time",
"topic popularity",
"trend detection",
"google trends alternative"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Wikipedia pageviews trend for any topic: interest over time as a measure of topic popularity and public attention. Free text (brand, person, product, event) is resolved to the matching Wikipedia article. Returns daily views normalized 0-100, 7-day and window % change, direction (rising, falling, stable, spiking), peak day and spike detection. Similar in purpose to Google Trends search interest, but it measures Wikipedia reading, not searches."
}What the leaf hashes
{"body":"b370465f3c3556055814583867b79b3dc5aa5c9538afaac20c3dc1f5f56e0492","id":452100,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517727797,"prev":71310,"subject":"x402_bazaar:https://attention-trends.shopttyass-85f.workers.dev/trend","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).
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- 0x2a46b413c4a79ee979d8a40f091ba215dc98b3af9709a0311b2ff60a4cb34d60
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- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4