← The evidence ledger
Evidence row 120621
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/space/images
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b2aaf323b4fbb1c1f5e199b42bb28335e58890ad8699766bf65616ac5ab7cf3c
- Leaf
- 0x51cd5527143102989bca9f3218b31e0d0aae09710f42eabb3608f8485b62da4d
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/space/images"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:space-images",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:space-images",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:space-images",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:space-images",
"reference": "9QDLTdCgjQBrtEbsuL35MRQwGwscJLdo571zCNKMH77j",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzcGFjZS1pbWFnZXMiLCJyZWZlcmVuY2UiOiI5UURMVGRDZ2pRQnJ0RWJzdUwzNU1SUXdHd3NjSkxkbzU3MXpDTktNSDc3aiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY2MzE3ODUwfQ.ln_won_4KJBRXWDhSGEx9B8Am-MiQYjRrF_9g82umh0"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:space-images",
"reference": "4QUGsUk5meEu9S66LEcoMxtZhDdjtaXBTGign239riQQ",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzcGFjZS1pbWFnZXMiLCJyZWZlcmVuY2UiOiI0UVVHc1VrNW1lRXU5UzY2TEVjb014dFpoRGRqdGFYQlRHaWduMjM5cmlRUSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY2MzE3ODUwfQ.2sXbkefL1fJxRn7LYv4DCpoTM7HCCGV0dmuIcmrYBK8"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "93412",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:space-images",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "96302",
"reference": "ARr12uioR1opBsiLhuB4ZNZ1yTSjMMuAHEkeKvfre8o1",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpzcGFjZS1pbWFnZXMiLCJyZWZlcmVuY2UiOiJBUnIxMnVpb1Ixb3BCc2lMaHVCNFpOWjF5VFNqTU11QUhFa2VLdmZyZThvMSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzQxMiwiZXhwIjoxNzkyMzY2MzE3ODUwfQ.IvB4TMvKE_-tgPrEjuKgu8rsDb1FHdMGteNefCksXls",
"solUsdPrice": 103.84
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "NASA image and video library search - titles, descriptions, dates, keywords and thumbnails for Apollo, Hubble, Webb and other missions",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "5",
"q": "apollo 11"
},
"type": "http"
},
"output": {
"example": {
"media_type": "image",
"note": "NASA media is generally public domain; check images.nasa.gov for third-party credits",
"query": "apollo 11",
"results": [
{
"asset_manifest": "https://images-assets.nasa.gov/image/jsc2007e034221/collection.json",
"center": "JSC",
"date": "1969-07-11",
"description": "Personnel atop the 402-ft. Mobile Service Structure look back at the Apollo 11 spacecraft as the tower is moved away during a Countdown Demonstration Test. Photo filed 11 July 1969.",
"keywords": [
"Apollo",
"Apollo 11",
"Launch"
],
"nasa_id": "jsc2007e034221",
"page": "https://images.nasa.gov/details/jsc2007e034221",
"thumbnail": "https://images-assets.nasa.gov/image/jsc2007e034221/jsc2007e034221~thumb.jpg",
"title": "Apollo 11 spacecraft pre-launch"
},
{
"asset_manifest": "https://images-assets.nasa.gov/image/NHQ201907190151/collection.json",
"center": "HQ",
"date": "2019-07-19",
"description": "A small rover is driven over a visitor at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on t…",
"keywords": [
"Apollo 11",
"Apollo 11 50th Anniversary",
"DC"
],
"nasa_id": "NHQ201907190151",
"page": "https://images.nasa.gov/details/NHQ201907190151",
"thumbnail": "https://images-assets.nasa.gov/image/NHQ201907190151/NHQ201907190151~thumb.jpg",
"title": "Apollo 11 50th Anniversary Celebration"
},
{
"asset_manifest": "https://images-assets.nasa.gov/image/NHQ201907180120/collection.json",
"center": "HQ",
"date": "2019-07-18",
"description": "The Moon to Mars exhibit is seen at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the M…",
"keywords": [
"Apollo 11",
"Apollo 11 50th Anniversary",
"DC"
],
"nasa_id": "NHQ201907180120",
"page": "https://images.nasa.gov/details/NHQ201907180120",
"thumbnail": "https://images-assets.nasa.gov/image/NHQ201907180120/NHQ201907180120~thumb.jpg",
"title": "Apollo 11 50th Anniversary Celebration"
}
],
"source": "NASA Image and Video Library",
"total_hits": 1522
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "optional 1-25, default 10",
"type": "string"
},
"q": {
"description": "Search text, e.g. apollo 11 or james webb nebula",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"media_type": {
"description": "Media type",
"type": [
"string",
"null"
]
},
"note": {
"description": "Caveat or context for reading the result",
"type": [
"string",
"null"
]
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"results": {
"description": "List of matching results",
"items": {
"properties": {
"asset_manifest": {
"description": "Asset manifest"
},
"center": {
"description": "Centre or facility that produced the record"
},
"date": {
"description": "Date (YYYY-MM-DD)",
"type": [
"string",
"null"
]
},
"description": {
"description": "Short description",
"type": "string"
},
"keywords": {
"description": "Keywords or key phrases"
},
"nasa_id": {
"description": "Nasa id identifier",
"type": "string"
},
"page": {
"type": "string"
},
"thumbnail": {
"type": [
"string",
"null"
]
},
"title": {
"description": "Title",
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"description": "Data source the values come from",
"type": [
"string",
"null"
]
},
"total_hits": {
"description": "Total hits",
"type": "number"
}
},
"required": [
"query",
"results"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-18T23:29:57.894Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-18T23:29:57.628Z"
},
"resource": "https://saylorinnovations.com/api/space/images",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"nasa images",
"space photos",
"nasa media library",
"apollo photos",
"public domain space images"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "NASA image and video library search - titles, descriptions, dates, keywords and thumbnails for Apollo, Hubble, Webb and other missions"
}What the leaf hashes
{"body":"b2aaf323b4fbb1c1f5e199b42bb28335e58890ad8699766bf65616ac5ab7cf3c","id":120621,"kind":"listing","method":"baseline/1","observed_us":1793025618369408,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/space/images","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x51cc7bc9ff10690b18607de87fea48aac14789faf739a80af3bc549a55053d18
- 0x0fbc95c7a4872cd54c7187b956fbf6bfaaa28d9331dbbe22670386ce3120880f
- 0xeadeadaecdc72ac29c2a64d607c4d475437563ed4ab90ff1c38dd4d1d6311cd2
- 0x669936adef541345360d7a4bcd903ad8cb50bc33088db93be321a6afe004f183
- 0x633f0d5cf8de867c8b74eaf630a68e901ff0a06071c0acf7386b3cfef3dd76bf
- 0x176cddbdc81ae721e06c32b7776c6bd807cb7aa961fe405c13e675736b5ddf90
- 0x7a76189b1ed4c64a3a16b8acdeb61a318434c8868e4c770468c6445ab7e7a8fb
- 0x691ab812669d4fbacbfa4c2be2269232de22687068b345eb1fe8ac1d5fdd4590
- 0x73d07b953afcdab9a96ff7540ac7a2cd9dfbbb3b041d6ad864c055e7276f1e75
- 0xfca9ff78b92c71fdaab1acd2d14980882031b639cac9549f1cb05364a670b1da
- 0xa5ad1076807e948ee46c6ef88026aa55418c25a28faa967ff0fc965aa97c5a48
- 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
- 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
- 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae