← The evidence ledger
Evidence row 2201482
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://paper-print-calc.x402tookit.com/typographic-units
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 19fd98283d7798a8f7792efee149b2d825262d605b79ad9b19e809778f93a81d
- Leaf
- 0x46397b78c8eed6e0444a2a9f7d71c99c443bda380d4a5b03f3b6e69e1647e627
What was observed
{
"endpoints": [
[
"x402",
"https://paper-print-calc.x402tookit.com/typographic-units"
]
],
"name": "Paper & Print 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": {
"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": "Convert between points, picas, inches, mm, cm, CSS pixels, TeX points, Didot and twips, and show the pica-and-points form.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "pt",
"value": 12
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-12T01:48:15.465Z",
"conversions": {
"cicero": 0.93807764,
"cm": 0.42333333,
"didot": 11.256919,
"in": 0.16666667,
"mm": 4.2333333,
"pica": 1,
"pt": 12,
"px": 16,
"q": 16.933333,
"tex-pt": 12.045,
"twip": 240
},
"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.",
"fromUnit": "pt",
"input": 12,
"millimeters": 4.233333,
"notChecked": [
"the printer's own point definitions in old systems (the 72.27 TeX point and Didot differ slightly)",
"font-size-to-line-height choices",
"…1 more"
],
"picasAndPoints": "1p0",
"reasons": [
"1 pica = 12 points = 1/6 inch; 1 inch = 72 PostScript points = 25.4 mm; CSS fixes 96 px to an inch."
],
"source": "computed locally (PostScript point = 1/72 in; pica = 12 pt; CSS px = 1/96 in)",
"summary": "12 pt = 4.2333 mm = 12 pt = 1p0.",
"verdict": "CONVERTED"
},
"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": "Unit: pt, pica, in, mm, cm, px, tex-pt, q, didot, cicero, twip",
"type": "string"
},
"value": {
"description": "The number to convert",
"type": "number"
}
},
"required": [
"value",
"from"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"conversions": {
"properties": {
"cicero": {
"type": [
"null",
"number"
]
},
"cm": {
"type": [
"null",
"number"
]
},
"didot": {
"type": [
"null",
"number"
]
},
"in": {
"type": [
"null",
"number"
]
},
"mm": {
"type": [
"null",
"number"
]
},
"pica": {
"type": [
"null",
"number"
]
},
"pt": {
"type": [
"null",
"number"
]
},
"px": {
"type": [
"null",
"number"
]
},
"q": {
"type": [
"null",
"number"
]
},
"tex-pt": {
"type": [
"null",
"number"
]
},
"twip": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"fromUnit": {
"type": [
"null",
"string"
]
},
"input": {
"type": [
"null",
"number"
]
},
"millimeters": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"picasAndPoints": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:42:51.771Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:42:51.611Z"
},
"resource": "https://paper-print-calc.x402tookit.com/typographic-units",
"serviceName": "Paper & Print Calc",
"tags": [
"typography",
"points",
"picas",
"units"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Convert between points, picas, inches, mm, cm, CSS pixels, TeX points, Didot and twips, and show the pica-and-points form."
}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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- 0xe0c6f209c7cc349a5298353c0fbed0264533ee6a7fdc980af719082c671bb8b0
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- 0x0606aab1437dfe306a68f33679cb6e65be2d7c7aa7019ba090161ec7e65e0762
- 0x112788e3b0c2e56a720c5820e3c08d6ccbf3cdef08b1dfae26b35ac1be60fafe
- 0x61f659ccd6476bd903fc2b1d9325fb928b3f59b995ac39d5818c608978c0fd98
- 0x3fbfbead9dd60418e0ac02d4966c367f64d78029e0ea524f6c470821cc3d895b
- 0x0c6e565159e4b5577c99b872830f5da674047aa9e76265b96992308f5382dffe
- 0xd6ce0209d46ce7cf9a6c01eff144cf152770979661afa3b18a877e99ae9d7ef7
- 0x774abba83e59d4a0d725432b7aa65c7fd5dc16c3ba4272951c2f4df287092b69
- 0x95a273bb8932dab7d9961e32e3d3be866bd51e98c7772b268db2595e5869b5c4
- 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
- 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af