← The evidence ledger
Evidence row 2201535
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://nasa-media.x402tookit.com/nasa-collection-stats
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bee0f9cf22dbccb6a28096b79f6bbe76d6f3666705511e86d47441eb8ca54aa7
- Leaf
- 0x1f3f3f351a6e6d3fd0056743a933db433cc4ae645151a27b3b210bc6fc1e6314
What was observed
{
"endpoints": [
[
"x402",
"https://nasa-media.x402tookit.com/nasa-collection-stats"
]
],
"name": "NASA Media Library",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Count NASA library items matching a query, broken down by year or by center, using the API's total hit counts.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"group_by": "year",
"media_type": "image",
"q": "moon",
"year_end": 1972,
"year_start": 1966
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T05:54:04.472Z",
"bucketedHits": 732,
"buckets": [
{
"hits": 9,
"share": 0.0123,
"year": "1966"
},
{
"hits": 29,
"share": 0.0396,
"year": "1967"
}
],
"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.",
"groupBy": "year",
"mediaType": "image",
"notChecked": [
"relevance of each hit to the query (hits are text matches)",
"items with no date or no center"
],
"peak": {
"hits": 335,
"label": "1969"
},
"query": "moon",
"reasons": [
"Years are the date-created year in the library for 1966-1972; items outside the range are only in totalHits.",
"Counts come from the API's total_hits and describe what the library indexes, not NASA's output.",
"…1 more"
],
"source": "NASA Image and Video Library",
"sourceUrl": "https://images.nasa.gov",
"summary": "20185 item(s) match \"moon\"; peak year 1969 with 335.",
"totalHits": 20185,
"verdict": "STATS_COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"group_by": {
"description": "year (default) or center",
"type": "string"
},
"media_type": {
"description": "image, video or audio (comma-separate for several); default all",
"type": "string"
},
"q": {
"description": "Search words, up to 100 characters",
"type": "string"
},
"year_end": {
"description": "group_by=year: last year, up to 15 years after year_start (default: current year)",
"type": "integer"
},
"year_start": {
"description": "group_by=year: first year, 1900 to 2100 (default: 9 years before year_end)",
"type": "integer"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"bucketedHits": {
"type": [
"null",
"number"
]
},
"buckets": {
"items": {
"properties": {
"hits": {
"type": [
"null",
"number"
]
},
"share": {
"type": [
"null",
"number"
]
},
"year": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"groupBy": {
"type": [
"null",
"string"
]
},
"mediaType": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"peak": {
"properties": {
"hits": {
"type": [
"null",
"number"
]
},
"label": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"query": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalHits": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:40:09.481Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:40:09.297Z"
},
"resource": "https://nasa-media.x402tookit.com/nasa-collection-stats",
"serviceName": "NASA Media Library",
"tags": [
"nasa",
"statistics",
"trends",
"media"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Count NASA library items matching a query, broken down by year or by center, using the API's total hit counts."
}What the leaf hashes
{"body":"bee0f9cf22dbccb6a28096b79f6bbe76d6f3666705511e86d47441eb8ca54aa7","id":2201535,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805879963,"prev":null,"subject":"x402_bazaar:https://nasa-media.x402tookit.com/nasa-collection-stats","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).
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- 0xbba4328095a280a86943b5ec6231c9326f0c19d286f8041e57727a40d58ed5d2
- 0x2357b433b4702b58dff974f088407a4b41fd9e83bc00fc028caa5268b9daf5bf
- 0x1e53d35b7087c3700f6307a1f318de58e172ddaab0883ef7e44f8c3ff280b2da
- 0x4e83676e35bcad295f34abc44f7ce55dd94143685dde1d589ae6262d821d8149
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- 0x559aa847fb62659ed51e3a1e3458b72e465b2d4f8012f464078332c08c01e9e6
- 0xdbd806e4aa9cfafe14b41acd08d389783a1f09a79b16529f232cea9fd45cdfa7
- 0x921d0608297ee8b39f59114be3d8989b8d4efd3e464dd03aef90facc4e2624f6
- 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
- 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
- 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af