← The evidence ledger
Evidence row 2201760
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://hacker-news.x402tookit.com/hn-search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bb053fd6ab19660d620e29d596034acb78ff1f9ced8ae971f92c80b33810053c
- Leaf
- 0xbfa5484c40179b45658512bb70ff816c49c8e2614074456e163c4eb775017c9e
What was observed
{
"endpoints": [
[
"x402",
"https://hacker-news.x402tookit.com/hn-search"
]
],
"name": "Hacker News",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Search Hacker News stories or comments by query with optional date range, sorted by relevance or date.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "2025-01-01",
"limit": 10,
"query": "rust",
"sort": "relevance",
"tags": "story",
"to": "2025-12-31"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T00:39:18.038Z",
"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.",
"from": "2025-01-01",
"kind": "story",
"notChecked": [
"items the index does not hold (very new, deleted or dead)",
"typo-tolerant matches beyond what the engine returns",
"…1 more"
],
"query": "rust",
"reasons": [
"Algolia's hit count can be approximate for broad queries."
],
"results": [
{
"by": "rascul",
"comments": 800,
"discussion": "https://news.ycombinator.com/item?id=46213585",
"domain": "lwn.net",
"id": 46213585,
"points": 962,
"postedAt": "2025-12-10T03:15:24Z",
"title": "Rust in the kernel is no longer experimental",
"url": "https://lwn.net/Articles/1049831/"
},
{
"by": "chirau",
"comments": 336,
"discussion": "https://news.ycombinator.com/item?id=44357411",
"domain": "github.com",
"id": 44357411,
"points": 753,
"postedAt": "2025-06-23T16:27:25Z",
"title": "uv: An extremely fast Python package and project manager, written in Rust",
"url": "https://github.com/astral-sh/uv"
}
],
"returned": 10,
"sort": "relevance",
"source": "Algolia HN Search",
"sourceUrl": "https://hn.algolia.com/api",
"summary": "6256 story matches for \"rust\" between 2025-01-01 and 2025-12-31; showing 10 by relevance.",
"to": "2025-12-31",
"totalMatches": 6256,
"verdict": "RESULTS_FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"from": {
"description": "First UTC day YYYY-MM-DD",
"type": "string"
},
"limit": {
"description": "Results 1 to 20 (default 10)",
"type": "integer"
},
"query": {
"description": "Search text, e.g. rust async",
"type": "string"
},
"sort": {
"description": "relevance (default) or date (newest first)",
"type": "string"
},
"tags": {
"description": "story (default) or comment",
"type": "string"
},
"to": {
"description": "Last UTC day YYYY-MM-DD (inclusive)",
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"from": {
"type": [
"null",
"string"
]
},
"kind": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"query": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"results": {
"items": {
"properties": {
"by": {
"type": [
"null",
"string"
]
},
"comments": {
"type": [
"null",
"number"
]
},
"discussion": {
"type": [
"null",
"string"
]
},
"domain": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"number"
]
},
"points": {
"type": [
"null",
"number"
]
},
"postedAt": {
"type": [
"null",
"string"
]
},
"title": {
"type": [
"null",
"string"
]
},
"url": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"returned": {
"type": [
"null",
"number"
]
},
"sort": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"to": {
"type": [
"null",
"string"
]
},
"totalMatches": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:27:22.973Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:27:22.804Z"
},
"resource": "https://hacker-news.x402tookit.com/hn-search",
"serviceName": "Hacker News",
"tags": [
"hackernews",
"search",
"stories",
"comments"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Search Hacker News stories or comments by query with optional date range, sorted by relevance or date."
}What the leaf hashes
{"body":"bb053fd6ab19660d620e29d596034acb78ff1f9ced8ae971f92c80b33810053c","id":2201760,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808800280,"prev":null,"subject":"x402_bazaar:https://hacker-news.x402tookit.com/hn-search","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).
- 0xbfa5559113f7b8697bdc2fb188d640319e3084d081c98cf7aa53104dfbc6d733
- 0xd6e3836d4ce9a39e0e9c2a0dce505548c67e4c22c442ac9b9dac85c17baa722d
- 0x0f865933ad84ec032531a1e41485b6f29ce788dea1525649e6e0171a080a2906
- 0x6e617c23645c5f030f8a76057f74ace4b7d9c7f762d59895c74764f10bc303fa
- 0x4bd5a4ea13660619148ec78f8635dfb9d6bdb49ff9af798b8c0311abf7f37c1a
- 0x3c008b3ad326cbe3c3f3239f4f57804a0b7019146fc565e298360a0f75f12602
- 0x68e7516f1518b106f3f93260dcef48978be72c07b7cea925725e991b28608737
- 0x39314950572f3829094182f771cb37b729d161cca863d3389256fdb777e6f669
- 0x85c2555b9462461bdb331f3831d31cc701dd42d9bdf52cf556aa938ce8f6ebdb
- 0x1adfb81e1ebae379103fee58a693ac6aa9ad979f95e458e0f4c709250bce7841
- 0x910f613e3a8272fcb6dfb1a6ed01581083d03cccc51c55d9c01e6b287191ce77
- 0x52737064c82b362c31548eef60a752b6fe11c86bfe2932cb19725ce08f688ed7
- 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af