← The evidence ledger
Evidence row 1812377
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent-vending-production.up.railway.app/v1/location-compare
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 34e1cf84ad51862cb0cab1366a1885f0621b2fc528bb9684e432dd8f1f9facca
- Leaf
- 0x89a7a5d90b1f3d143a7bbeffefe6958710f19a5a1dc35ce2ba0a187f97eee5a0
What was observed
{
"endpoints": [
[
"x402",
"https://agent-vending-production.up.railway.app/v1/location-compare"
]
],
"name": "Location Compare",
"owner_address": "0x0b4242adf40726d9b09688030948176752d29924",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0b4242adf40726d9b09688030948176752d29924",
"scheme": "exact"
}
],
"description": "Compare U.S. locations across Census demographics, income, education, housing and workforce metrics in one call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"locations": [
{
"name": "Ventura County",
"state": "CA",
"type": "county"
},
{
"name": "Orange County",
"state": "CA",
"type": "county"
},
{
"name": "San Diego County",
"state": "CA",
"type": "county"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"comparison": [
{
"comparison_status": "SIGNIFICANT_DIFFERENCE",
"highest": {
"estimate": 113702,
"geoid": "06059"
},
"largest_difference": {
"difference": 11417,
"difference_unit": "usd",
"percent_difference_vs_lowest": 11.16,
"significance_90": {
"significant": true
}
},
"lowest": {
"estimate": 102285,
"geoid": "06073"
},
"metric": "median_household_income",
"unit": "usd",
"values": [
{
"estimate": 107327,
"geoid": "06111",
"moe_90": 1391,
"national_percentile": {
"percentile": 96.91
}
},
{
"estimate": 113702,
"geoid": "06059",
"moe_90": 986,
"national_percentile": {
"percentile": 98.03
}
},
{
"estimate": 102285,
"geoid": "06073",
"moe_90": 899,
"national_percentile": {
"percentile": 95.98
}
}
]
}
],
"data_vintage": {
"dataset": "ACS 5-Year",
"label": "ACS 5-Year 2019-2023",
"release_year": 2023
},
"locations": [
{
"geo_type": "county",
"geoid": "06111",
"name": "Ventura County, California"
},
{
"geo_type": "county",
"geoid": "06059",
"name": "Orange County, California"
},
{
"geo_type": "county",
"geoid": "06073",
"name": "San Diego County, California"
}
],
"product": "location_compare",
"provenance": [
{
"dataset": "acs/acs5/profile",
"provider": "census_acs",
"release_year": 2023
}
],
"status": "OK",
"summary": {
"largest_differences": [
{
"difference": 2.3,
"difference_unit": "years",
"highest": "Ventura County, California",
"lowest": "San Diego County, California",
"metric": "median_age",
"national_percentile_spread": 14
}
]
},
"vintage_check": {
"release_year": 2023,
"same_vintage": true
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"locations": [
{
"name": "Ventura County",
"state": "CA",
"type": "county"
},
{
"name": "Orange County",
"state": "CA",
"type": "county"
},
{
"name": "San Diego County",
"state": "CA",
"type": "county"
}
]
},
{
"locations": [
{
"name": "91362",
"type": "zcta"
},
{
"name": "93010",
"type": "zcta"
}
],
"metrics": [
"median_household_income",
"median_home_value",
"median_age"
]
}
],
"properties": {
"allow_mixed_geography_types": {
"description": "Default false (mixed types refused, not charged)",
"type": "boolean"
},
"include_benchmarks": {
"description": "U.S./state reference values and national percentiles (default true)",
"type": "boolean"
},
"locations": {
"description": "2-10 geographies of the same type (mixed types only with allow_mixed_geography_types)",
"items": {
"additionalProperties": true,
"description": "A U.S. geography by type plus name or GEOID. No Census table or variable IDs needed.",
"properties": {
"county": {
"description": "County name or FIPS (tract only)",
"type": "string"
},
"geoid": {
"description": "Census GEOID alternative to name (county 5, place 7, tract 11 digits)",
"type": "string"
},
"name": {
"description": "e.g. \"Ventura County\", \"Thousand Oaks\", \"91362\", \"CA\", tract code",
"type": "string"
},
"state": {
"description": "State name, postal code or FIPS (county/place/tract by name)",
"type": "string"
},
"type": {
"enum": [
"state",
"county",
"place",
"zcta",
"tract"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"maxItems": 10,
"minItems": 2,
"type": "array"
},
"metrics": {
"description": "Default CORE_COMPARE (16 metrics) or a subset list",
"oneOf": [
{
"enum": [
"CORE_COMPARE"
],
"type": "string"
},
{
"items": {
"enum": [
"total_population",
"median_age",
"median_household_income",
"per_capita_income",
"poverty_rate",
"unemployment_rate",
"labor_force_participation_rate",
"bachelors_or_higher_pct",
"high_school_or_higher_pct",
"homeownership_rate",
"median_home_value",
"median_gross_rent",
"uninsured_rate",
"foreign_born_pct",
"under18_pct",
"65plus_pct"
],
"type": "string"
},
"type": "array"
}
]
}
},
"required": [
"locations"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "HTTP 200 = completed result (charged). Refusals and errors are never charged: 400 INVALID_REQUEST (unknown/ambiguous geography, bad input), 422 NOT_SUPPORTED, 502 UPSTREAM_ERROR, 503 DATA_UNAVAILABLE, 500 INTERNAL_ERROR; all include charged=false.",
"properties": {
"benchmarks": {
"type": "object"
},
"charged": {
"type": "boolean"
},
"comparison": {
"type": "array"
},
"data_vintage": {
"type": "object"
},
"error": {
"type": "object"
},
"locations": {
"type": "array"
},
"methodology": {
"type": "object"
},
"provenance": {
"type": "array"
},
"status": {
"type": "string"
},
"summary": {
"type": "object"
},
"vintage_check": {
"type": "object"
},
"warnings": {
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T18:21:30.34Z",
"quality": {
"lastCalledAt": "2026-11-01T18:21:30.34Z"
},
"resource": "https://agent-vending-production.up.railway.app/v1/location-compare",
"serviceName": "Location Compare",
"tags": [
"location comparison",
"compare counties",
"Census data",
"ACS",
"demographics"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare U.S. locations across Census demographics, income, education, housing and workforce metrics in one call."
}What the leaf hashes
{"body":"34e1cf84ad51862cb0cab1366a1885f0621b2fc528bb9684e432dd8f1f9facca","id":1812377,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560321392030,"prev":null,"subject":"x402_bazaar:https://agent-vending-production.up.railway.app/v1/location-compare","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x89a7958f898cc06ea860ee45ea21a4ed51ad4e12026aac0370e1cbae244e77e2
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- 0x451096d8b3f5903549100ba403de253d5e6f47c0a50490cf721671b000830527
- 0xfcbb65cf93c6ac9eeb544364539f3c6e4dc499e9a63865f3cdab3fff645ac0bd
- 0x20ca258e60ed7af79ca16654ff4b9c20221807823c927b034efeed563cd0d1d4
- 0xf3b85d370140a0c50b89fb6cc81404a71dfe1e652e079bcce32b5b8f771ee76b
- 0xe20230845605cf3e319cd6d9e624ce011239706854a3af796c7ececfa62b25c0
- 0x8d2c816f05695612fda1c41fa73cd40886f834558d77a886af53deea231eb41c
- 0x26f1fa657c1474594efc54e49b759739b40e05c4063891c079f8b9fd76002590
- 0x9f9fe990673862e5cd52bf696ef9ea2c86ca65235b16170fd883287bee6233ea
- 0x77788e2b0f83c42b3024a8d425784a46c4c2d0777f8487d593e102e987eabf52
- 0x12d005bd5bab52a5295a7639e02ffa6fa98b5e18753f0f4638b668903af24ab7
- 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
- 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
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- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90