← The evidence ledger
Evidence row 2202018
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://css-design-calc.x402tookit.com/css-unit-convert
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8ad03e3156e1324cc2ba5da0f75f9ee0971b549baf925d88222c0d4d33847f19
- Leaf
- 0x72c7f2732bf18f2fda2c7c429bd9df04e0e15c37e091fbb13fc14c62be09e0b5
What was observed
{
"endpoints": [
[
"x402",
"https://css-design-calc.x402tookit.com/css-unit-convert"
]
],
"name": "CSS Design Calc",
"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": {
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"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
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"version": "2"
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"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": "Convert a CSS length between px, rem, em, pt, pc, in, cm, mm, Q, vw, vh, vmin, vmax and % with your root and viewport sizes.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "px",
"rootPx": 16,
"to": "rem",
"value": 18
},
"type": "http"
},
"output": {
"example": {
"allUnits": {
"%": 112.5,
"cm": 0.47625,
"em": 1.125,
"in": 0.1875,
"mm": 4.7625,
"pc": 1.125,
"pt": 13.5,
"px": 18,
"q": 19.05,
"rem": 1.125,
"vh": 2,
"vmax": 1.25,
"vmin": 2,
"vw": 1.25
},
"asOf": "2026-10-11T14:32:43.659Z",
"css": "1.125rem",
"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.",
"input": {
"unit": "px",
"value": 18
},
"notChecked": [
"font-relative units that depend on the actual font: ch, ex, cap, lh, rlh, ic",
"container query units (cqw, cqh) and dynamic viewport units (dvh, svh, lvh), which depend on browser chrome",
"…2 more"
],
"parentPx": 16,
"pixels": 18,
"reasons": [
"Absolute units use the CSS reference pixel: 1in = 96px, 1pt = 1/72in, 1pc = 12pt, 1cm = 96/2.54px.",
"rem used a root of 16px; em and % used a parent of 16px; vw/vh used a 1440 x 900 viewport."
],
"result": 1.125,
"resultUnit": "rem",
"rootPx": 16,
"source": "CSS Values and Units Level 4 absolute-unit definitions (1in = 96px = 72pt = 6pc = 2.54cm), computed locally",
"summary": "18px = 1.125rem (18px).",
"verdict": "CONVERTED",
"viewportH": 900,
"viewportW": 1440
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"from": {
"description": "Source unit: px, rem, em, pt, pc, in, cm, mm, q, vw, vh, vmin, vmax or %",
"enum": [
"px",
"rem",
"em",
"pt",
"pc",
"in",
"cm",
"mm",
"q",
"vw",
"vh",
"vmin",
"vmax",
"%"
],
"type": "string"
},
"parentPx": {
"description": "Parent font size in px for em and % (default = rootPx)",
"type": "number"
},
"rootPx": {
"description": "Root font size in px for rem (default 16)",
"type": "number"
},
"to": {
"description": "Target unit (same choices)",
"enum": [
"px",
"rem",
"em",
"pt",
"pc",
"in",
"cm",
"mm",
"q",
"vw",
"vh",
"vmin",
"vmax",
"%"
],
"type": "string"
},
"value": {
"description": "The number to convert",
"type": "number"
},
"viewportH": {
"description": "Viewport height in px for vh, vmin, vmax (default 900)",
"type": "number"
},
"viewportW": {
"description": "Viewport width in px for vw, vmin, vmax (default 1440)",
"type": "number"
}
},
"required": [
"value",
"from",
"to"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"allUnits": {
"properties": {
"%": {
"type": [
"null",
"number"
]
},
"cm": {
"type": [
"null",
"number"
]
},
"em": {
"type": [
"null",
"number"
]
},
"in": {
"type": [
"null",
"number"
]
},
"mm": {
"type": [
"null",
"number"
]
},
"pc": {
"type": [
"null",
"number"
]
},
"pt": {
"type": [
"null",
"number"
]
},
"px": {
"type": [
"null",
"number"
]
},
"q": {
"type": [
"null",
"number"
]
},
"rem": {
"type": [
"null",
"number"
]
},
"vh": {
"type": [
"null",
"number"
]
},
"vmax": {
"type": [
"null",
"number"
]
},
"vmin": {
"type": [
"null",
"number"
]
},
"vw": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"css": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"input": {
"properties": {
"unit": {
"type": [
"null",
"string"
]
},
"value": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"parentPx": {
"type": [
"null",
"number"
]
},
"pixels": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"result": {
"type": [
"null",
"number"
]
},
"resultUnit": {
"type": [
"null",
"string"
]
},
"rootPx": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"viewportH": {
"type": [
"null",
"number"
]
},
"viewportW": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:46:42.729Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:46:42.545Z"
},
"resource": "https://css-design-calc.x402tookit.com/css-unit-convert",
"serviceName": "CSS Design Calc",
"tags": [
"css",
"units",
"rem",
"px",
"converter"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Convert a CSS length between px, rem, em, pt, pc, in, cm, mm, Q, vw, vh, vmin, vmax and % with your root and viewport sizes."
}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