← The evidence ledger
Evidence row 2201537
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://nasa-media.x402tookit.com/mars-media
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5c483fbc9b2f35c62519957c6b57ef6a1fb08771110249999acb2da129142af2
- Leaf
- 0xb069581758ff43065bdb9d93d48ec2fa94f33ce81b069190e0969dc9a754a9d8
What was observed
{
"endpoints": [
[
"x402",
"https://nasa-media.x402tookit.com/mars-media"
]
],
"name": "NASA Media Library",
"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": "Find Mars rover and lander images, video and audio in NASA's library by rover, with extra words and year filters.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"media_type": "image",
"n": 5,
"rover": "perseverance",
"topic": "selfie"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T05:54:03.634Z",
"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.",
"items": [
{
"center": "JPL",
"collectionUrl": "https://images-assets.nasa.gov/image/PIA24542/collection.json",
"copyright": null,
"dateCreated": "2021-04-07T00:00:00Z",
"description": "NASA's Perseverance Mars rover took a selfie with the Ingenuity helicopter, seen here about 13 feet (3.9 meters) from the rover in this image taken April 6, 2021, the 46th Martian day, or sol, of the …",
"keywords": [
"Mars 2020",
"Mars"
],
"location": null,
"mediaType": "image",
"nasaId": "PIA24542",
"photographer": null,
"rightsReview": false,
"secondaryCreator": "NASA/JPL-Caltech/MSSS",
"thumbnail": "https://images-assets.nasa.gov/image/PIA24542/PIA24542~thumb.jpg",
"title": "Perseverance's Selfie with Ingenuity",
"year": 2021
},
{
"center": "JPL",
"collectionUrl": "https://images-assets.nasa.gov/image/PIA24669/collection.json",
"copyright": null,
"dateCreated": "2021-06-25T00:00:00Z",
"description": "This animation shows a computer simulation of NASA's Perseverance Mars rover taking its first selfie. The point of view of the rover's WATSON (Wide Angle Topographic Sensor for Operations and eNgineer…",
"keywords": [
"Mars 2020",
"Mars"
],
"location": null,
"mediaType": "image",
"nasaId": "PIA24669",
"photographer": null,
"rightsReview": false,
"secondaryCreator": "NASA/JPL-Caltech",
"thumbnail": "https://images-assets.nasa.gov/image/PIA24669/PIA24669~thumb.jpg",
"title": "Computer Simulation of Rover Selfie",
"year": 2021
}
],
"knownRovers": [
{
"landedYear": 1997,
"rover": "sojourner"
},
{
"landedYear": 2004,
"rover": "spirit"
}
],
"notChecked": [
"image content (titles and descriptions are the uploader's words)",
"usage rights beyond the fields shown",
"…1 more"
],
"reasons": [
"NASA-created media is generally not copyrighted in the United States, but some items carry third-party or partner rights. Check the copyright and secondary_creator fields and NASA's media usage guidel…"
],
"returned": 5,
"rightsNote": "NASA-created media is generally not copyrighted in the United States, but some items carry third-party or partner rights. Check the copyright and secondary_creator fields and NASA's media usage guidel…",
"rover": "perseverance",
"roverLandedYear": 2021,
"source": "NASA Image and Video Library",
"sourceUrl": "https://images.nasa.gov",
"summary": "8 item(s) match Perseverance rover \"selfie\" (image); showing 5.",
"totalHits": 8,
"verdict": "MEDIA_FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
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"enum": [
"GET"
],
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},
"queryParams": {
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"type": "string"
},
"n": {
"description": "Results to return, 1 to 25, default 10",
"type": "integer"
},
"rover": {
"description": "sojourner, spirit, opportunity, curiosity, perseverance, ingenuity, insight or phoenix; default any Mars rover",
"type": "string"
},
"topic": {
"description": "Extra words such as selfie, panorama, drill, up to 60 characters",
"type": "string"
},
"year_end": {
"description": "Last year of date created, 1990 to 2100",
"type": "integer"
},
"year_start": {
"description": "First year of date created, 1990 to 2100",
"type": "integer"
}
},
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},
"disclaimer": {
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},
"items": {
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},
"copyright": {},
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},
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"keywords": {
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},
"location": {},
"mediaType": {
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},
"nasaId": {
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]
},
"photographer": {},
"rightsReview": {
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]
},
"secondaryCreator": {
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"string"
]
},
"thumbnail": {
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"string"
]
},
"title": {
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]
},
"year": {
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"number"
]
}
},
"type": "object"
},
"type": [
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"null"
]
},
"knownRovers": {
"items": {
"properties": {
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"type": [
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]
},
"rover": {
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}
},
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},
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]
},
"notChecked": {
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},
"reasons": {
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},
"returned": {
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},
"rightsNote": {
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]
},
"rover": {
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]
},
"roverLandedYear": {
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"number"
]
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"source": {
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},
"sourceUrl": {
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},
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},
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},
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},
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}
},
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}
}
},
"lastUpdated": "2026-11-01T23:40:03.946Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:40:03.758Z"
},
"resource": "https://nasa-media.x402tookit.com/mars-media",
"serviceName": "NASA Media Library",
"tags": [
"nasa",
"mars",
"rover",
"images"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Find Mars rover and lander images, video and audio in NASA's library by rover, with extra words and year filters."
}What the leaf hashes
{"body":"5c483fbc9b2f35c62519957c6b57ef6a1fb08771110249999acb2da129142af2","id":2201537,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805890543,"prev":null,"subject":"x402_bazaar:https://nasa-media.x402tookit.com/mars-media","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).
- 0xb06940052c63d8efea0720b942c62a5815f90b6c49d945f970673099e3e9cf8f
- 0x44f7de1d33fb0998d7e6af60e74d92e506e3acf6bcd8596db3a57017a1a39f91
- 0x59416b4f94076107304e5d9b2caed7c3cc3b2c9ac8185cccfc7e3ae8603fa7ce
- 0x9ae699bb230ab5a05e3c903e9c8e6f95f1e2e3c5874330b33d21b1340bdd1569
- 0x13a8db1129f56d2fd63bb7aff593c044490ed6eae4362ba1374c3a3c07e55306
- 0xdb71615e8c25ad92ffaf926c53cfcae350eb6f907caeb866de9d1853933bffc8
- 0x61c2f651eb89152f6ecfd4a26c5bd0afa57d98dd8bc5d0a304b77808c673c15b
- 0x259097310ca8c7a183e5f7a9c55b88cee614e05f04b95e41da08988a490aa9ad
- 0xf208aafb690be2c71b76d990bc81833e6b6e2a53a32d408f72f87a85be00ee0e
- 0xff9b13f28e9fc4aebf013b9a7f462e9881344e40ca7df99aef72a42c83e58d01
- 0xbd72926e70ce8b3fbd88a65517bfafaf21f027e2ff85aadf0711eb1de7ac64ba
- 0x3f5b8a46d4602f78a712f9446b064f32836e36fd6c23e6658582d1139ccd321f
- 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
- 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
- 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
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- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af