← The evidence ledger
Evidence row 1039482
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://1gateway.dev/v1/geo/satellite/trend
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 06ebfb0cc13e14dc121f0a574884b0c73951d07b905575796b2df6671228971f
- Leaf
- 0xa44e0331a17e35b77a1861294e412eb80fffa82d303e89dc4f585968d44097da
What was observed
{
"endpoints": [
[
"x402",
"https://1gateway.dev/v1/geo/satellite/trend"
]
],
"name": "1gateway",
"owner_address": "0x6246eee0355dd7a93c888fe59e1151388a0cc5a1",
"raw": {
"accepts": [
{
"amount": "12000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT",
"scheme": "exact"
}
],
"description": "Use when tracking crops, greenery or land change month by month. Input: lat, lon, radius_m (200-10000), months (1-12), optional end date. Output: JSON series per month: clearest scene, area cloud %, NDVI mean/median, status (ok, cloudy, no_scene), plus min/max and first-to-last change. Numbers only, no images. No scene at all: 404, not charged. Example: ?lat=36.35&lon=127.38&months=6",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"end": "2026-10-28",
"lat": 36.35,
"lon": 127.38,
"months": 6,
"radius_m": 2000
},
"type": "http"
},
"output": {
"example": {
"attribution": "Contains modified Copernicus Sentinel data (ESA). Imagery served by Microsoft Planetary Computer.",
"location": {
"bbox": [
127.3577
],
"lat": 36.35,
"lon": 127.38,
"radiusM": 2000
},
"notes": [
"One scene per month: the clearest inside the area among that month's two lowest tile-cloud scenes."
],
"period": {
"from": "2026-05-01",
"months": 6,
"to": "2026-10-28"
},
"series": [
{
"month": "2026-05",
"ndvi": {
"mean": 0.2219,
"median": 0.1575,
"std": 0.1814,
"validPct": 100
},
"scene": {
"areaClearPct": 100,
"areaCloudPct": 0,
"date": "2026-05-31",
"datetime": "2026-05-31T02:15:29.024000Z",
"id": "S2B_MSIL2A_20260531T021529_R003_T52SCF_20260531T042611",
"platform": "Sentinel-2B"
},
"status": "ok"
}
],
"summary": {
"clearMonths": 5,
"monthsWithData": 6,
"ndviFirstToLast": -0.0068,
"ndviMax": 0.2219,
"ndviMin": 0.1774
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"end": {
"description": "Last date YYYY-MM-DD (default today)",
"examples": [
"2026-10-28"
],
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"lat": {
"description": "Latitude, WGS84 decimal degrees",
"examples": [
36.35
],
"maximum": 84,
"minimum": -84,
"type": "number"
},
"lon": {
"description": "Longitude, WGS84 decimal degrees",
"examples": [
127.38
],
"maximum": 180,
"minimum": -180,
"type": "number"
},
"months": {
"description": "Number of calendar months ending with the end month (default 6)",
"examples": [
6
],
"maximum": 12,
"minimum": 1,
"type": "integer"
},
"radius_m": {
"description": "Half-width of the square area in meters (default 2000)",
"examples": [
2000
],
"maximum": 10000,
"minimum": 200,
"type": "integer"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"attribution": {
"type": "string"
},
"location": {
"properties": {
"bbox": {
"items": {
"type": "number"
},
"type": "array"
},
"lat": {
"type": "number"
},
"lon": {
"type": "number"
},
"radiusM": {
"type": "integer"
}
},
"type": "object"
},
"notes": {
"items": {
"type": "string"
},
"type": "array"
},
"period": {
"properties": {
"from": {
"type": "string"
},
"months": {
"type": "integer"
},
"to": {
"type": "string"
}
},
"type": "object"
},
"series": {
"items": {
"properties": {
"month": {
"type": "string"
},
"ndvi": {
"properties": {
"mean": {
"type": "number"
},
"median": {
"type": "number"
},
"std": {
"type": "number"
},
"validPct": {
"type": "number"
}
},
"type": "object"
},
"scene": {
"properties": {
"areaClearPct": {
"type": "number"
},
"areaCloudPct": {
"type": "number"
},
"date": {
"type": "string"
},
"datetime": {
"type": "string"
},
"id": {
"type": "string"
},
"platform": {
"type": "string"
}
},
"type": "object"
},
"status": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"summary": {
"properties": {
"clearMonths": {
"type": "integer"
},
"monthsWithData": {
"type": "integer"
},
"ndviFirstToLast": {
"type": "number"
},
"ndviMax": {
"type": "number"
},
"ndviMin": {
"type": "number"
}
},
"type": "object"
}
},
"required": [
"location",
"period",
"series",
"summary",
"attribution",
"notes"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_dr4pqtka"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792593183/bazaar-icons/c4d9db8f8f483844.png",
"lastUpdated": "2026-10-29T01:00:48.096Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T01:00:47.432Z"
},
"resource": "https://1gateway.dev/v1/geo/satellite/trend",
"serviceName": "1gateway",
"tags": [
"satellite-imagery",
"ndvi",
"vegetation",
"time-series",
"sentinel-2"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when tracking crops, greenery or land change month by month. Input: lat, lon, radius_m (200-10000), months (1-12), optional end date. Output: JSON series per month: clearest scene, area cloud %, NDVI mean/median, status (ok, cloudy, no_scene), plus min/max and first-to-last change. Numbers only, no images. No scene at all: 404, not charged. Example: ?lat=36.35&lon=127.38&months=6"
}What the leaf hashes
{"body":"06ebfb0cc13e14dc121f0a574884b0c73951d07b905575796b2df6671228971f","id":1039482,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298329797679,"prev":null,"subject":"x402_bazaar:https://1gateway.dev/v1/geo/satellite/trend","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0xa44e68eeba01313e9e75047e9d1433856a90b376da8628ab3fc206d5e850bbac
- 0xccfac9f3bb1df80a9b5c7dcd4f8f41612482e95cca9ae95b39067d2ed04830e9
- 0xe99076fd23588d2ec6c988cc267df3ae7a1f9e4ac58375896c0e288b67e716b6
- 0x301edba2ce7f6b7bf3d3f6362779966bfa60d8d70562275ab7011de6e490d8c3
- 0x69757594aad8f9f1598bb6175d6efe22ec98cd91b9666f1360592c5eae058c86
- 0xfda652e9d49c0122544dd544bbd051c10af410d27e9a60d7fe96c06d61737b14
- 0x0667cc7de31b3629fbda2b72166978c144a0776775a6034ef180b5c63b38a714
- 0x2c502958e1c2020513a98e356b3cdcd35bcc7cc1057d3793110ef8647057e32f
- 0x6ebb6d6f2824cfeeca8ef6b86a2d72c8ed71d172a0c1326f89472e7551ee5010
- 0x6d44491e32280bb9f5759d1bdae03bb527b3c64376672ba69008c249c6a7d027
- 0xbeda2a8bda3ec47161ea70d33d2c5853aac24fc7cf152f45d7f8bd3ee23f0daa
- 0x72e505d82f60c5658626e2964c5e4af96fe557d2665a118c8a32969a10892747
- 0x94e478acbc2c3295d80ec724aefbece47c88aacf0c52e04d39a48da5b85a8925
- 0x391d7d4dd95ff3f26ed046f59cb7617fe53d7bb32216fddedcb614635f3079dc
- 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
- 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
- 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1