← The evidence ledger
Evidence row 2623390
Observed , by sync.agentic_market/1.
- Kind
- listing
- About
- source_record agentic_market:css-design-calc-x402tookit-com
- Recorded
- Previous row
- #2190058
- Body SHA-256
- 4e76ac648140fe6d6aa56eba28572f486b604861810ac6ccd01bd7e0c9d70a49
- Leaf
- 0xb6e20434c02f74bec4df4c2a6349e4536557cf5e53c8df2b1ca7142c14d4c5b3
What was observed
{
"endpoints": [
[
"x402",
"https://css-design-calc.x402tookit.com/aspect-ratio"
],
[
"x402",
"https://css-design-calc.x402tookit.com/box-size"
],
[
"x402",
"https://css-design-calc.x402tookit.com/clamp-fluid"
],
[
"x402",
"https://css-design-calc.x402tookit.com/css-specificity"
],
[
"x402",
"https://css-design-calc.x402tookit.com/golden-ratio"
],
[
"x402",
"https://css-design-calc.x402tookit.com/grid-columns"
],
[
"x402",
"https://css-design-calc.x402tookit.com/line-length"
],
[
"x402",
"https://css-design-calc.x402tookit.com/pixel-density"
],
[
"x402",
"https://css-design-calc.x402tookit.com/target-size"
],
[
"x402",
"https://css-design-calc.x402tookit.com/type-scale"
],
[
"x402",
"https://css-design-calc.x402tookit.com/vertical-rhythm"
]
],
"name": "css-design-calc.x402tookit.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:137",
"eip155:42161",
"eip155:8453",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
],
"category": "",
"description": "",
"domain": "css-design-calc.x402tookit.com",
"endpoints": [
{
"description": "Aspect ratio of a width and height (simplified, nearest common ratio) or the missing side for a ratio, with CSS values.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 1080,
"group": "query",
"name": "height",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1920,
"group": "query",
"name": "width",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"aspect-ratio",
"images",
"video"
],
"url": "https://css-design-calc.x402tookit.com/aspect-ratio"
},
{
"description": "CSS box model sizes: content, padding, border and margin boxes from a width and height under content-box or border-box.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 2,
"group": "query",
"name": "border",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "content-box",
"group": "query",
"name": "boxSizing",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 200,
"group": "query",
"name": "height",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 10,
"group": "query",
"name": "margin",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 20,
"group": "query",
"name": "padding",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 300,
"group": "query",
"name": "width",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"box-model",
"layout",
"box-sizing"
],
"url": "https://css-design-calc.x402tookit.com/box-size"
},
{
"description": "Generate a CSS clamp() that scales a size linearly between a min and max viewport width, in rem, with the exact slope.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 24,
"group": "query",
"name": "maxSize",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1200,
"group": "query",
"name": "maxViewport",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 16,
"group": "query",
"name": "minSize",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 320,
"group": "query",
"name": "minViewport",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 16,
"group": "query",
"name": "rootPx",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"clamp",
"fluid-typography",
"responsive"
],
"url": "https://css-design-calc.x402tookit.com/clamp-fluid"
},
{
"description": "CSS selector specificity (ids, classes, types) per Selectors Level 4, including :is(), :not(), :where() and :has(); compare two.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": ".link.active",
"group": "query",
"name": "compareTo",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "#main nav a.active:not(.disabled)",
"group": "query",
"name": "selector",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"specificity",
"selectors",
"debugging"
],
"url": "https://css-design-calc.x402tookit.com/css-specificity"
},
{
"description": "Split a length into major and minor parts by the golden ratio (or silver, root-2, custom) with matching rectangle sizes.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "golden",
"group": "query",
"name": "ratio",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1200,
"group": "query",
"name": "total",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"golden-ratio",
"layout",
"proportion"
],
"url": "https://css-design-calc.x402tookit.com/golden-ratio"
},
{
"description": "Column and span widths for an N-column grid from container width, columns and gutter, or the container for a column width.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 12,
"group": "query",
"name": "columns",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1140,
"group": "query",
"name": "containerWidth",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 30,
"group": "query",
"name": "gutter",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"grid",
"layout",
"columns"
],
"url": "https://css-design-calc.x402tookit.com/grid-columns"
},
{
"description": "Estimate characters per line from column width and font size and rate it for readability (45-75 ideal, WCAG max 80).",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 0.5,
"group": "query",
"name": "avgCharWidthEm",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 18,
"group": "query",
"name": "fontSizePx",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 720,
"group": "query",
"name": "widthPx",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"typography",
"readability",
"accessibility"
],
"url": "https://css-design-calc.x402tookit.com/line-length"
},
{
"description": "Screen pixel density (PPI) from resolution and diagonal, physical size, CSS viewport at a device pixel ratio, and image widths.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 400,
"group": "query",
"name": "cssWidth",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 27,
"group": "query",
"name": "diagonalIn",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1,
"group": "query",
"name": "dpr",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1440,
"group": "query",
"name": "heightPx",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 2560,
"group": "query",
"name": "widthPx",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"ppi",
"dpr",
"responsive-images"
],
"url": "https://css-design-calc.x402tookit.com/pixel-density"
},
{
"description": "Check a click or touch target against WCAG 2.2 target size (24 px AA, 44 px AAA) including the spacing exception.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 20,
"group": "query",
"name": "heightPx",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 26,
"group": "query",
"name": "neighbourCenterDistancePx",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 20,
"group": "query",
"name": "widthPx",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"accessibility",
"wcag",
"touch-target",
"css"
],
"url": "https://css-design-calc.x402tookit.com/target-size"
},
{
"description": "Modular type scale: sizes in px and rem for steps below and above a base size, by named ratio (major third, golden) or number.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 16,
"group": "query",
"name": "base",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 2,
"group": "query",
"name": "down",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "major-third",
"group": "query",
"name": "ratio",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 5,
"group": "query",
"name": "up",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"typography",
"type-scale",
"design"
],
"url": "https://css-design-calc.x402tookit.com/type-scale"
},
{
"description": "Snap line-heights for font sizes to a baseline grid: baseline unit, lines per element, unitless line-height and margins.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 16,
"group": "query",
"name": "baseFontPx",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1.5,
"group": "query",
"name": "baseLineHeight",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "12,16,20,24,32,48",
"group": "query",
"name": "sizes",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "CSS Design Calc",
"tags": [
"css",
"typography",
"vertical-rhythm",
"baseline-grid"
],
"url": "https://css-design-calc.x402tookit.com/vertical-rhythm"
}
],
"enriched": false,
"iconUrl": "",
"id": "css-design-calc-x402tookit-com",
"integrationType": "",
"isNew": false,
"name": "css-design-calc.x402tookit.com",
"networks": [
"Base",
"eip155:137",
"eip155:42161",
"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.02",
"currency": "USDC",
"maxAmount": "0.02",
"minAmount": "0.02"
},
"provider": "css-design-calc.x402tookit.com",
"providerUrl": "",
"serviceName": "CSS Design Calc",
"tags": [
"css",
"aspect-ratio",
"images",
"video",
"box-model",
"layout",
"box-sizing",
"clamp",
"fluid-typography",
"responsive",
"specificity",
"selectors",
"debugging",
"golden-ratio",
"proportion",
"grid",
"columns",
"typography",
"readability",
"accessibility",
"ppi",
"dpr",
"responsive-images",
"wcag",
"touch-target",
"type-scale",
"design",
"vertical-rhythm",
"baseline-grid"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"4e76ac648140fe6d6aa56eba28572f486b604861810ac6ccd01bd7e0c9d70a49","id":2623390,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793730136903735,"prev":2190058,"subject":"agentic_market:css-design-calc-x402tookit-com","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xb6e1fd99d1b1863986c04587e2622e8828204886d98e539ffe6f1498c64d6296
- 0xa481efb0b72e0f0da4cd4fed3c998a4545a1ee3aba85f4cd3386574d0550a0aa
- 0x127f3eb44c487f56467cd10ccd0d93c3c045433bfb93946c26238d93a6907fe0
- 0x2bcd331c16a49142e0139eec460507d2d6d9daad51c21c5d9e3bbcd0d461e3ac
- 0x2b35734adfacecbf9cf5e62186368e1de7205c5a5e4add8c6a7a8bf359bbbd8d
- 0x51e2c28aee56683a0f778a0a4e700dee3cf7da9c2f959dc461a7bbcebb6e39ec
- 0xe1cda4d2a74b61c0f012b6ec87090ad4045ec143ef203c46cf0dac1f601866a9
- 0x2bcb80ed40aa89a920a63dd2d288115a3766b4d7ce56b72efdfa30887ea5cd31
- 0x75f0181fd300c19b0732b30ca9485344ce189d95c6f44a48582346cc7c4a0539
- 0xd5dad121149ceef3a943e4293878198c2af5d17da54ac7009e7b9c2e5382a2dd
- 0x7527b6f6da8654ca1d60ada92ff6c0c1ff01a1746f75c9d6ab6c6c895ec9ba93
- 0x8bb39b2edae4644391a8e85d6dacbc2fed4d19418ebd54176b9c88b8a3c2a1cf
- 0x7177a2d4d7e26d090279db4f09f90547c14d3dfe27b339cb6b3b812ef7172d44
- 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
- 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7