← The evidence ledger
Evidence row 120653
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/stats/outliers
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 01247f4a5d801caf7599b24eec034215fe2690253aaced90e5a1a18f765bf74b
- Leaf
- 0xfe7baef0be324ac29e0ceea412d1d62c0eb7f50b4cbc02dfd311b0bbd6f9e034
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/stats/outliers"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:outlier-detectio",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:outlier-detectio",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:outlier-detectio",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:datadesk:outlier-detectio",
"reference": "CGXRYEuJNewX994iT1Lchk9rTF49v3vRbKv7eyjYfirj",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvdXRsaWVyLWRldGVjdGlvbiIsInJlZmVyZW5jZSI6IkNHWFJZRXVKTmV3WDk5NGlUMUxjaGs5clRGNDl2M3ZSYkt2N2V5allmaXJqIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzODk3NDcxNjF9.BAmdKrDoOhw9BeDUl7dUTExGJoqQ-3FIQNyqBQycvJQ"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:datadesk:outlier-detectio",
"reference": "Fqy4bXWzSMD7QcKJb4WGhi46Kzt93T5qQ3811VWQXph7",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvdXRsaWVyLWRldGVjdGlvbiIsInJlZmVyZW5jZSI6IkZxeTRiWFd6U01EN1FjS0piNFdHaGk0Nkt6dDkzVDVxUTM4MTFWV1FYcGg3IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzODk3NDcxNjF9.QJADh3BAA6F5sdANdbRzx2HUupDn-n9IPDTGlFlsnJw"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91881",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:outlier-detectio",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "94723",
"reference": "6GhrHoDRjTht7Cw8e2JbsPN3xfmRhPQrC6qKdMHD2yag",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvdXRsaWVyLWRldGVjdGlvbiIsInJlZmVyZW5jZSI6IjZHaHJIb0RSalRodDdDdzhlMkpic1BOM3hmbVJoUFFyQzZxS2RNSEQyeWFnIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxODgxLCJleHAiOjE3OTIzODk3NDcxNjF9.3MqlEdZ6MMlkw00Ovo5elUXX8Q8B0BlZIthBE4S78sk",
"solUsdPrice": 105.57
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Find outliers in a list of numbers with IQR fences or z-scores - quartiles, fences, flagged values with index and side, and the mean without them",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"method": "iqr",
"values": "10,12,11,13,12,95,11,10"
},
"type": "http"
},
"output": {
"example": {
"iqr": 1.5,
"k": 1.5,
"lower_fence": 8.5,
"mean": 21.75,
"mean_without_outliers": 11.28571429,
"median": 11.5,
"method": "iqr",
"n": 8,
"outlier_count": 1,
"outliers": [
{
"index": 5,
"side": "high",
"value": 95,
"z_score": 2.473
}
],
"q1": 10.75,
"q3": 12.25,
"source": "Tukey fences or z-score threshold on the supplied values (quartiles by linear interpolation)",
"std_dev": 29.61539175,
"upper_fence": 14.5
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"method": {
"description": "optional iqr (default) or zscore",
"type": "string"
},
"values": {
"description": "Comma-separated numbers, 4-1000",
"type": "string"
}
},
"required": [
"values"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"iqr": {
"description": "Interquartile range",
"type": [
"number",
"null"
]
},
"k": {
"description": "Multiplier used for the fences or threshold",
"type": [
"number",
"null"
]
},
"lower_fence": {
"description": "Lower fence",
"type": "number"
},
"mean": {
"description": "Mean of all values",
"type": "number"
},
"mean_without_outliers": {
"description": "Mean without outliers",
"type": [
"number",
"null"
]
},
"median": {
"description": "Median of all values",
"type": "number"
},
"method": {
"description": "Method used",
"type": "string"
},
"n": {
"description": "Number of values",
"type": "number"
},
"outlier_count": {
"description": "Number of outlier",
"type": "number"
},
"outliers": {
"description": "Flagged values with index, value, z-score and which side",
"items": {
"properties": {
"index": {
"description": "Index value"
},
"side": {
"description": "low or high relative to the fences",
"type": [
"string",
"null"
]
},
"value": {
"description": "Value of the requested item"
},
"z_score": {
"description": "Z score"
}
},
"type": "object"
},
"type": "array"
},
"q1": {
"description": "First quartile",
"type": "number"
},
"q3": {
"description": "Third quartile",
"type": "number"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"std_dev": {
"description": "Std dev",
"type": [
"number",
"null"
]
},
"upper_fence": {
"description": "Upper fence",
"type": "number"
}
},
"required": [
"method",
"outlier_count",
"outliers"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-19T06:00:27.207Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T06:00:26.992Z"
},
"resource": "https://saylorinnovations.com/api/stats/outliers",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"find outliers in a list",
"iqr outlier fences",
"z score outlier detection",
"which values are anomalies",
"clean data by removing outliers"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Find outliers in a list of numbers with IQR fences or z-scores - quartiles, fences, flagged values with index and side, and the mean without them"
}What the leaf hashes
{"body":"01247f4a5d801caf7599b24eec034215fe2690253aaced90e5a1a18f765bf74b","id":120653,"kind":"listing","method":"baseline/1","observed_us":1793025618424376,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/stats/outliers","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xfe7c2029307189b59ad1da5f524e786582e05b3c1128c57c8a29d5840684b1e3
- 0xaf18185e9308da13d6613b3f11c782418bf08d64c5afe0fe404002d0c95409df
- 0x2a3ad846692a16e7c29f6808f50c82e3e3a41d5966a8080edb9a4b7473008112
- 0xdc6965c03e13755b82077d399293163da3e775a66a0c38669f7437d77db67166
- 0x208db600178d4e27a4eb9141e12f94a395c600aecf119abc56129a2a2a850c57
- 0xb651d7b82ba61b3822f8a5f92a634801d1c823c45389370aa33904d3c562113b
- 0x512ef9eb3a0a4bab982e403ce88ccf274dba415919038e47519d0beec123747c
- 0x7ad0d42f1e58c2bb7ef2d8cfd72adf20cc71682078f0cf27ed58834122e6bcbe
- 0x019fd7af1a64758c919538de9f4625c6d2637677a31ff3b1e253e94fb2fa13c5
- 0x00c341aeb80a00104d56004ab29bf5c11c63c2f7f5da2e77fcaa830f7ba9da8a
- 0xf0e3125fdb80cc0fbd2c1ed68c94834a74c7a387a89a1ab6de49183f24f78649
- 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae