← The evidence ledger
Evidence row 3884
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:stats-openverbs-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7e0fb9016be073c754f635de7f0f3f034f6d9bc7c6785a3f0c05626ce2dd5f2a
- Leaf
- 0xa6ca696797a47f6ae9b6f95b0dfd4688adc562407467931ad77e4290a5290d95
What was observed
{
"endpoints": [
[
"x402",
"https://stats.openverbs.com/v1/correlation"
],
[
"x402",
"https://stats.openverbs.com/v1/percentile"
],
[
"x402",
"https://stats.openverbs.com/v1/regression"
],
[
"x402",
"https://stats.openverbs.com/v1/summary"
]
],
"name": "stats.openverbs.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "stats.openverbs.com",
"endpoints": [
{
"description": "Pearson correlation coefficient and covariance of two equal-length paired series. Rejected as a clean 400 if the lengths differ or either series has zero variance (correlation undefined).",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "x",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "y",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "Pearson correlation",
"tags": [
"pearson correlation",
"correlation coefficient",
"calculate covariance",
"paired series correlation",
"linear relationship stats"
],
"url": "https://stats.openverbs.com/v1/correlation"
},
{
"description": "Evaluate one or more percentiles (0–100) of a numeric sample using linear interpolation between order statistics (the R-7 / Excel PERCENTILE.INC method). 50 is the median, 25/75 the quartiles.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "data",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "percentiles",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Percentiles / quantiles",
"tags": [
"percentile calculator",
"quantile calculator",
"calculate percentiles",
"r7 percentile",
"excel percentile inc"
],
"url": "https://stats.openverbs.com/v1/percentile"
},
{
"description": "Ordinary-least-squares linear regression of y on x: slope, intercept, correlation r and coefficient of determination r². Pass predictAt to also evaluate the fitted line at a given x. Rejected as a clean 400 if lengths differ or x has zero variance.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 4,
"group": "body",
"name": "predictAt",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "x",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "y",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "Linear regression",
"tags": [
"linear regression",
"ordinary least squares",
"fit regression line",
"predict from regression",
"slope and intercept"
],
"url": "https://stats.openverbs.com/v1/regression"
},
{
"description": "Full descriptive summary of a numeric sample: count, sum, min/max/range, mean, median, mode(s), variance, standard deviation and the quartiles (q1/q3/iqr). Set sample=true for the sample variance/stdev (÷ n-1) instead of the population form (÷ n).",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "data",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": false,
"group": "body",
"name": "sample",
"required": false,
"type": "boolean"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "Descriptive summary",
"tags": [
"descriptive statistics",
"summary statistics api",
"calculate mean median",
"variance standard deviation",
"numeric sample summary"
],
"url": "https://stats.openverbs.com/v1/summary"
}
],
"enriched": false,
"iconUrl": "",
"id": "stats-openverbs-com",
"integrationType": "",
"isNew": false,
"name": "stats.openverbs.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.004",
"currency": "USDC",
"maxAmount": "0.004",
"minAmount": "0.004"
},
"provider": "stats.openverbs.com",
"providerUrl": "",
"serviceName": "",
"tags": [
"pearson correlation",
"correlation coefficient",
"calculate covariance",
"paired series correlation",
"linear relationship stats",
"percentile calculator",
"quantile calculator",
"calculate percentiles",
"r7 percentile",
"excel percentile inc",
"linear regression",
"ordinary least squares",
"fit regression line",
"predict from regression",
"slope and intercept",
"descriptive statistics",
"summary statistics api",
"calculate mean median",
"variance standard deviation",
"numeric sample summary"
]
},
"source": "agentic_market",
"summary": ""
}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 (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae