← The evidence ledger
Evidence row 73182
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://data.spencermcw.com/v1/hospital/compare
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1256756e5ba3cd99d6ce627f85558e0f99c3549faa665ac29c1bc51db0b34ca4
- Leaf
- 0x2a58be4a5c7c9bf598954f6ff4995d3fd766a4657879faad172476d6edc1999c
What was observed
{
"endpoints": [
[
"x402",
"https://data.spencermcw.com/v1/hospital/compare"
]
],
"name": "data.spencermcw.com/v1/hospital/compare",
"owner_address": "0xe6900ae625875b748f56fb45c3e06a59be8870df",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xE6900aE625875b748f56Fb45C3e06a59Be8870DF",
"scheme": "exact"
}
],
"description": "One billing code across up to 10 named hospitals, one normalized row each",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"code": "470",
"hospitals": "co-060001,co-061323",
"payer": "aetna"
},
"type": "http"
},
"output": {
"example": {
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"description": "MAJOR HIP AND KNEE JOINT REPLACEMENT OR REATTACHMENT OF LOWER EXTREMITY WITHOUT MCC",
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"drg": {
"amlos": 2.3,
"gmlos": 2,
"kind": "SURG",
"mdc": "08",
"weight": 1.9563
},
"mrfs_statewide": 45,
"type": "MS-DRG"
},
"filters": {
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"payer": "aetna",
"plan": null,
"plan_type": null,
"setting": null
},
"hospitals": [
{
"basis": "unmodified",
"ccn": "060001",
"city": "GREELEY",
"confidence": 1,
"deidentified_max": "70238.96",
"deidentified_min": "17790.18",
"discounted_cash": {
"max": "24121.08",
"median": "24121.08",
"min": "24121.08",
"n": 1,
"p10": "24121.08",
"p90": "24121.08"
},
"gross": null,
"id": "co-060001",
"items": 1,
"mrfs": [
{
"conformance": "valid",
"fetched_at": "2026-10-19T23:09:02.163Z",
"last_updated_on": "2026-09-23",
"sha256": "505667e76aaa7803d44a670ee04ddc3b07b81da8702657983a40c1eb1f168997",
"source_id": "hpt-mrf-459d3e4251c49cf7",
"url": "https://images.pricetransparency.healthcare/public-mrfs/banner/841287638_banner-north-colorado-medical-center_standardcharges.csv"
}
],
"name": "BANNER NORTH COLORADO MEDICAL CENTER",
"negotiated_dollar": {
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"median": "51555.64",
"min": "18340.39",
"n": 3,
"p10": "18340.39",
"p90": "70238.96"
},
"negotiated_percentage": null,
"payers": 3,
"priced": true,
"status": "served"
},
{
"basis": null,
"ccn": "061323",
"city": "LAMAR",
"confidence": null,
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"deidentified_min": null,
"discounted_cash": null,
"gross": null,
"id": "co-061323",
"items": 0,
"mrfs": [
{
"conformance": "errors",
"fetched_at": "2026-10-19T23:08:32.284Z",
"last_updated_on": "2025-01-01",
"sha256": "1d4105709236d42f631e79f4e3fe22c408fe1e69b11118319869affa5f7fbbb1",
"source_id": "hpt-mrf-31836e761c89c201",
"url": "https://www.prowersmedical.com/wp-content/uploads/840584583_PROWERS-MEDICAL-CENTER_STANDARDCHARGES.csv"
}
],
"name": "PROWERS MEDICAL CENTER",
"negotiated_dollar": null,
"negotiated_percentage": null,
"payers": 0,
"priced": false,
"status": "served"
}
],
"not_found": []
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
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"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"billing_class": {
"enum": [
"facility",
"professional"
],
"type": "string"
},
"code": {
"pattern": "^[0-9A-Za-z]{3,5}$",
"type": "string"
},
"code_type": {
"enum": [
"CPT",
"HCPCS",
"MS-DRG"
],
"type": "string"
},
"hospitals": {
"pattern": "^[A-Za-z0-9-]{6,20}(,[A-Za-z0-9-]{6,20}){0,9}$",
"type": "string"
},
"payer": {
"pattern": "^[a-z0-9_]{2,40}$",
"type": "string"
},
"plan": {
"maxLength": 80,
"minLength": 2,
"type": "string"
},
"plan_type": {
"enum": [
"commercial",
"medicare_advantage",
"medicaid",
"medicare",
"exchange",
"tricare",
"va",
"workers_comp",
"auto",
"supplemental",
"other",
"unspecified"
],
"type": "string"
},
"setting": {
"enum": [
"inpatient",
"outpatient"
],
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}
},
"required": [
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],
"type": "object"
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"type": {
"const": "http",
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"properties": {
"code": {
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},
"description": {
"type": [
"string",
"null"
]
},
"description_source": {
"anyOf": [
{
"enum": [
"cms_hcpcs_level_ii",
"cms_ms_drg"
],
"type": "string"
},
{
"type": "null"
}
]
},
"drg": {
"anyOf": [
{
"type": "object"
},
{
"type": "null"
}
]
},
"mrfs_statewide": {
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"type": {
"enum": [
"CPT",
"HCPCS",
"MS-DRG"
],
"type": "string"
}
},
"required": [
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"description",
"description_source",
"drg",
"mrfs_statewide"
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]
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"plan_type": {
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]
},
"setting": {
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]
}
},
"required": [
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"plan_type",
"plan",
"setting",
"billing_class"
],
"type": "object"
},
"hospitals": {
"items": {
"additionalProperties": false,
"properties": {
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{
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"unmodified",
"all"
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]
},
"ccn": {
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},
"city": {
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"string",
"null"
]
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"confidence": {
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{
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}
]
},
"deidentified_min": {
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{
"pattern": "^\\d{1,12}(\\.\\d{1,6})?$",
"type": "string"
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{
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}
]
},
"discounted_cash": {
"anyOf": [
{
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},
{
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}
]
},
"gross": {
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{
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]
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"id": {
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"items": {
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"minimum": -9007199254740991,
"type": "integer"
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"mrfs": {
"type": "array"
},
"name": {
"type": "string"
},
"negotiated_dollar": {
"anyOf": [
{
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},
{
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}
]
},
"negotiated_percentage": {
"anyOf": [
{
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{
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}
]
},
"payers": {
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"minimum": -9007199254740991,
"type": "integer"
},
"priced": {
"type": "boolean"
},
"status": {
"type": "string"
}
},
"required": [
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"ccn",
"name",
"city",
"status",
"priced",
"basis",
"mrfs",
"items",
"payers",
"gross",
"discounted_cash",
"negotiated_dollar",
"negotiated_percentage",
"deidentified_min",
"deidentified_max",
"confidence"
],
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},
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],
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}
},
"lastUpdated": "2026-10-21T05:32:58.784Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-21T05:32:58.621Z"
},
"resource": "https://data.spencermcw.com/v1/hospital/compare",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "One billing code across up to 10 named hospitals, one normalized row each"
}What the leaf hashes
{"body":"1256756e5ba3cd99d6ce627f85558e0f99c3549faa665ac29c1bc51db0b34ca4","id":73182,"kind":"listing","method":"baseline/1","observed_us":1793025487133298,"prev":null,"subject":"x402_bazaar:https://data.spencermcw.com/v1/hospital/compare","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.