← The evidence ledger
Evidence row 2201762
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://hacker-news.x402tookit.com/hn-front-page-date
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 771b91e7b6d98c80c3d2d8fdf2ebdcd912e8365df56e425d98f332c8e43e6b1e
- Leaf
- 0x6e698ce5df5dc4b97d4a002b6bcb317cc5bdf2d772e5564087c065d4ab617b25
What was observed
{
"endpoints": [
[
"x402",
"https://hacker-news.x402tookit.com/hn-front-page-date"
]
],
"name": "Hacker News",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Best-scored Hacker News stories submitted on a UTC date (past front pages are not archived), flagged if still on the front page.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"date": "2025-10-10",
"limit": 10
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T00:39:14.667Z",
"basis": "highest points among stories submitted that UTC day (score >= 20)",
"date": "2025-10-10",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"notChecked": [
"the actual front page of that day (HN does not archive it; this ranks by points)",
"stories under 20 points",
"…2 more"
],
"reasons": [
"Hacker News does not archive its past front pages and the Algolia front_page tag only covers the current page, so this lists the highest-scored stories submitted that UTC day instead."
],
"returned": 10,
"source": "Algolia HN Search",
"sourceUrl": "https://hn.algolia.com/api",
"stories": [
{
"by": "uxjw",
"comments": 526,
"discussion": "https://news.ycombinator.com/item?id=45544044",
"domain": "nngroup.com",
"id": 45544044,
"onFrontPageNow": false,
"points": 752,
"postedAt": "2025-10-10T21:35:22Z",
"rank": 1,
"title": "Liquid Glass Is Cracked, and Usability Suffers in iOS 26",
"url": "https://www.nngroup.com/articles/liquid-glass/"
},
{
"by": "mazokum",
"comments": 557,
"discussion": "https://news.ycombinator.com/item?id=45539943",
"domain": "theguardian.com",
"id": 45539943,
"onFrontPageNow": false,
"points": 734,
"postedAt": "2025-10-10T15:11:04Z",
"rank": 2,
"title": "Ryanair flight landed at Manchester airport with six minutes of fuel left",
"url": "https://www.theguardian.com/business/2025/oct/10/ryanair-flight-landed-at-manchester-airport-with-six-minutes-of-fuel-left-flight-log-suggests"
}
],
"storiesScoring20Plus": 96,
"summary": "2025-10-10: 96 stories scored 20+ points; best \"Liquid Glass Is Cracked, and Usability Suffers in iOS 26\" with 752 points. Ranked by points, not the archived front page.",
"verdict": "BEST_OF_DAY"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"date": {
"description": "UTC day YYYY-MM-DD, not in the future",
"type": "string"
},
"limit": {
"description": "Stories 1 to 30 (default 15)",
"type": "integer"
}
},
"required": [
"date"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"basis": {
"type": [
"null",
"string"
]
},
"date": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"returned": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"stories": {
"items": {
"properties": {
"by": {
"type": [
"null",
"string"
]
},
"comments": {
"type": [
"null",
"number"
]
},
"discussion": {
"type": [
"null",
"string"
]
},
"domain": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"number"
]
},
"onFrontPageNow": {
"type": [
"boolean",
"null"
]
},
"points": {
"type": [
"null",
"number"
]
},
"postedAt": {
"type": [
"null",
"string"
]
},
"rank": {
"type": [
"null",
"number"
]
},
"title": {
"type": [
"null",
"string"
]
},
"url": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"storiesScoring20Plus": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:27:16.187Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:27:16.025Z"
},
"resource": "https://hacker-news.x402tookit.com/hn-front-page-date",
"serviceName": "Hacker News",
"tags": [
"hackernews",
"front-page",
"history",
"date"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Best-scored Hacker News stories submitted on a UTC date (past front pages are not archived), flagged if still on the front page."
}What the leaf hashes
{"body":"771b91e7b6d98c80c3d2d8fdf2ebdcd912e8365df56e425d98f332c8e43e6b1e","id":2201762,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808808752,"prev":null,"subject":"x402_bazaar:https://hacker-news.x402tookit.com/hn-front-page-date","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x6e69d5354794b0e6ec1ff5245fec99e588cd2dbdc5c1687c74bde3decaeb6550
- 0xf0e43a61a67b2e6b9acf42eb169357ef87c3c14dcf6f89a37d3fd166ad52db0b
- 0x24589571ab3fcd89992b2e052de993d5f07035d5c5aa2ed318ddfb30c88af62a
- 0xfb51e834790cf04e937f346b04ea912dd7b90c7f0e726cae1f8cc54210973ac0
- 0x456311a17164016f9da417dbbb5c5be89f741ad0da4cb94314ec9efc0e9978d8
- 0xdf98e0d34c709ef14e36a984ab11731f8f0dc2b03f1062eb3d46fb65bcc68be6
- 0x227e9c6d126068549be5745fd1604a266d2f6a1d6529a14c775fd41e8110d4ab
- 0x48943f14c0bfc9907c2be6ee87012f4466ef21725aa4b65354c2ef089a85f8a4
- 0xf0da9e2daa9690337905b07d6d00ecb1873cbea8e67a2bc9597ed164320ea352
- 0xfb6e19201a7e7f6f8b193ab61c1f71fcee4adfcc0054afd2e2a9e1bc86fc15d4
- 0x397eb424ec9152f7b06395c903784c3d0d5aa7422c53711710d436bd1c3da79f
- 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
- 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
- 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
- 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af