← The evidence ledger
Evidence row 2201594
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://math-geometry.x402tookit.com/coordinate-geometry
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 49f3bba03d9811a9036030b990c4db6b7c4fe55c4a148c8b48f2fe80e8951aa8
- Leaf
- 0x09bfdf86ed7497329cd7f04e432f169b85ae6faff3befc2736c23bb265dcdb17
What was observed
{
"endpoints": [
[
"x402",
"https://math-geometry.x402tookit.com/coordinate-geometry"
]
],
"name": "Algebra and Geometry Solvers",
"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": "Plane geometry from coordinates: line through two points, distance, circle through three points, polygon area, intersections.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"mode": "line",
"p1": "1,2",
"p2": "3,6"
},
"type": "http"
},
"output": {
"example": {
"angleDeg": 63.4349488229,
"asOf": "2026-10-11T08:51:18.341Z",
"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.",
"equation": "y = 2x + 0",
"generalForm": {
"A": 4,
"B": -2,
"C": 0
},
"midpoint": {
"x": 2,
"y": 4
},
"notChecked": [
"3-D geometry",
"self-intersecting polygons (the shoelace area is then a signed combination)",
"…1 more"
],
"perpendicularBisector": "y = -0.5x + 5",
"perpendicularSlope": -0.5,
"reasons": [
"Slope-intercept y = mx + b and general form Ax + By + C = 0.",
"Perpendicular slope is -0.5."
],
"segmentLength": 4.472135955,
"slope": 2,
"source": "computed locally",
"summary": "Line: y = 2x + 0 (slope 2, angle 63.4349 degrees); length between points 4.472136.",
"verdict": "COMPUTED",
"xIntercept": 0,
"yIntercept": 0
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
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"description": "line, distance, circle-3-points, polygon, intersect or point-line",
"type": "string"
},
"p1": {
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"type": "string"
},
"p2": {
"description": "Second point x,y (point-line: first point of the line)",
"type": "string"
},
"p3": {
"description": "Third point x,y (circle-3-points; point-line: second line point; intersect: line 2 start)",
"type": "string"
},
"p4": {
"description": "Fourth point x,y (intersect: line 2 end)",
"type": "string"
},
"points": {
"description": "Polygon vertices as x,y;x,y;x,y in order",
"type": "string"
}
},
"required": [
"mode"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
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],
"type": "object"
},
"output": {
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"properties": {
"angleDeg": {
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"null",
"number"
]
},
"asOf": {
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"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"equation": {
"type": [
"null",
"string"
]
},
"generalForm": {
"properties": {
"A": {
"type": [
"null",
"number"
]
},
"B": {
"type": [
"null",
"number"
]
},
"C": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"midpoint": {
"properties": {
"x": {
"type": [
"null",
"number"
]
},
"y": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"perpendicularBisector": {
"type": [
"null",
"string"
]
},
"perpendicularSlope": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"segmentLength": {
"type": [
"null",
"number"
]
},
"slope": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"xIntercept": {
"type": [
"null",
"number"
]
},
"yIntercept": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:37:17.991Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:37:17.71Z"
},
"resource": "https://math-geometry.x402tookit.com/coordinate-geometry",
"serviceName": "Algebra and Geometry Solvers",
"tags": [
"geometry",
"coordinates",
"line",
"circle",
"polygon"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Plane geometry from coordinates: line through two points, distance, circle through three points, polygon area, intersections."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af