← The evidence ledger
Evidence row 549140
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.professorsausages.com/news/headlines
- Recorded
- Previous row
- #126754
- Body SHA-256
- 3bd551f917423287006239bc1cf2126109c83b7ec8f080721149e7868b146802
- Leaf
- 0x9aed6218501aa02dbfe8fd48ececf4f1407397a4239de6ae3d0151ed17defd09
What was observed
{
"endpoints": [
[
"x402",
"https://x402.professorsausages.com/news/headlines"
]
],
"name": "Multi-Source News",
"owner_address": "0x54ebfcf3870439b9db62381848c5dabc05c70d5b",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
"scheme": "exact"
}
],
"description": "Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone",
"extensions": {
"bazaar": {
"category": "news",
"info": {
"input": {
"method": "GET",
"queryParams": {
"category": "Restrict to one topical category.",
"lang": "ISO-639-1 language code.",
"limit": "How many articles to return.",
"since": "Only articles ingested (seen_at) after this point: an ISO date-time, or the next_cursor from your previous answer.",
"source": "Restrict to one ingestion source. `push:<channel>` is a relayed pointer — the record is the linked publisher's article and `via` names the account that relayed it. gnews is retired (archived articles only)."
},
"type": "http"
},
"output": {
"properties": {
"articles": {
"items": {
"properties": {
"also": {
"items": {
"properties": {
"domain": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"domain",
"url"
],
"type": "object"
},
"maxItems": 3,
"type": "array"
},
"author": {
"type": [
"string",
"null"
]
},
"categories": {
"items": {
"type": "string"
},
"type": "array"
},
"cluster": {
"type": [
"string",
"null"
]
},
"cluster_id": {
"type": "string"
},
"cluster_size": {
"minimum": 1,
"type": "integer"
},
"country": {
"type": [
"string",
"null"
]
},
"domain": {
"type": "string"
},
"feed": {
"type": "string"
},
"id": {
"type": "string"
},
"image": {
"type": [
"string",
"null"
]
},
"lang": {
"type": [
"string",
"null"
]
},
"published": {
"type": "string"
},
"seen_at": {
"type": "string"
},
"snippet": {
"type": [
"string",
"null"
]
},
"source": {
"enum": [
"gdelt",
"hn",
"rss",
"gnews",
"sitemap"
],
"type": "string"
},
"source_score": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"summary": {
"type": [
"string",
"null"
]
},
"tier": {
"enum": [
"official",
"major",
"trade",
"social",
"enrichment",
null
],
"type": [
"string",
"null"
]
},
"tone": {
"type": [
"number",
"null"
]
},
"tone_confidence": {
"enum": [
"high",
"medium",
"low",
null
],
"type": [
"string",
"null"
]
},
"tone_method": {
"enum": [
"gdelt",
"lexicon",
null
],
"type": [
"string",
"null"
]
},
"url": {
"type": "string"
},
"via": {
"type": [
"string",
"null"
]
},
"word_count": {
"type": [
"integer",
"null"
]
}
},
"required": [
"id",
"title",
"url",
"domain",
"source",
"feed",
"published",
"categories",
"seen_at"
],
"type": "object"
},
"type": "array"
},
"count": {
"type": "integer"
},
"freshness": {
"properties": {
"as_of": {
"type": "string"
},
"coverage": {
"properties": {
"articles": {
"type": "integer"
},
"hours": {
"type": "number"
},
"newest_published": {
"type": [
"string",
"null"
]
},
"oldest_published": {
"type": [
"string",
"null"
]
},
"thin": {
"type": "boolean"
},
"why": {
"type": [
"string",
"null"
]
}
},
"required": [
"oldest_published",
"newest_published",
"hours",
"articles"
],
"type": "object"
},
"source_count": {
"type": "integer"
},
"window_hours": {
"type": "integer"
}
},
"required": [
"as_of",
"window_hours",
"source_count",
"coverage"
],
"type": "object"
},
"new_count": {
"type": "integer"
},
"next_cursor": {
"type": [
"string",
"null"
]
},
"poll": {
"properties": {
"next_cursor": {
"type": [
"string",
"null"
]
},
"note": {
"type": "string"
},
"suggested_interval_seconds": {
"type": "integer"
},
"updated_at": {
"type": "string"
}
},
"required": [
"next_cursor",
"suggested_interval_seconds",
"updated_at"
],
"type": "object"
},
"polled_at": {
"type": "string"
},
"since": {
"type": [
"string",
"null"
]
},
"total": {
"type": "integer"
},
"updated_at": {
"type": "string"
},
"window_hours": {
"type": "integer"
}
},
"required": [
"updated_at",
"window_hours",
"total",
"count",
"articles",
"freshness",
"new_count",
"next_cursor",
"polled_at",
"poll"
],
"type": "object"
}
},
"routeTemplate": "https://x402.professorsausages.com/news/headlines",
"schema": {
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"help": {
"docs": "https://x402.professorsausages.com/news",
"example": "https://x402.professorsausages.com/news/headlines",
"openapi": "https://x402.professorsausages.com/news/openapi.json",
"sample": "https://x402.professorsausages.com/news/sample"
}
},
"lastUpdated": "2026-10-05T07:02:32.142Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-05T07:02:40.474Z"
},
"resource": "https://x402.professorsausages.com/news/headlines",
"serviceName": "Multi-Source News",
"tags": [
"news",
"headlines",
"search",
"sentiment",
"gdelt"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone"
}What the leaf hashes
{"body":"3bd551f917423287006239bc1cf2126109c83b7ec8f080721149e7868b146802","id":549140,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133353576139,"prev":126754,"subject":"x402_bazaar:https://x402.professorsausages.com/news/headlines","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).
- 0x9aed4e1efdd010ba2df2642800c073db1a911b3182349caea4e7bd2855e3ea02
- 0xdde1b3bf2d2dba8747115f900686c2f7444afcd7e2c4d57e7071f02ab43c4ede
- 0x78fe581e5c2ebbfaf49b4d1d2a8e398dcc0a2bf10fa31e45d6a2fc45b0710bc7
- 0x5b9b0ba1e45af391dc0ec44aaa633767a928213ba9c0fe1727d0fe750d252dcf
- 0x15505aa3bc19d82ffa453013d7f51678074108c510045e3b98c44a1815b41a6c
- 0xbdeec1da97d5cfa947f3351821fe908bcb53fa42968b3f7f7cb1d87b7ce0d121
- 0x781b05b3c186e5db1323743d08fb59b5dc7544cdb27aa958337f963c08eba370
- 0x9c31779598d8c1f3abcee96826e7251c74b0bcd589ce71a94db5ec433582db1f
- 0xa1996c97ac75df3e5d693d04d65bd17912dd5a6256c8b212b51d658b8018a965
- 0xcc66d413df4ff19b8da12794f339b0a2d8a83f214b828b441f6511aef53a2b0d
- 0x45eb84ef7edaba53d2691240e1a51a75999ececafd444acbad8a99f54c7dd449
- 0xaf993fe1020a8b1831a83a3f25a47d44065b1a3db518b49690cdf7bb3a275984
- 0xe8a6f20810396abd4baf9472081cda6d396bc7cf52a77bffdd9f33b41c62adcc
- 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
- 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4