← The evidence ledger
Evidence row 64704
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.agentstools.dev/realestate/compare
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 12f6da68f26232b827a29a742a25e978c5add8881df610780940f677ad0152be
- Leaf
- 0x8b26602f5e31c310b708f406be4a7f831f086b6a46ec4af24a9bcc647ba9510c
What was observed
{
"endpoints": [
[
"x402",
"https://api.agentstools.dev/realestate/compare"
]
],
"name": "realestate-compare",
"owner_address": "0xf22e558a00d91ee12a1f50c52186fecb8ddff493",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
"scheme": "exact"
}
],
"description": "Compare several US geographies on one real-estate metric: price momentum, gross rental yield, price to income, median home value, median gross rent or median household income. Returns a ranking plus rank, highest and lowest, spread and mean signals.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"geo": "CA,TX,FL",
"metric": "price_momentum_yoy"
},
"type": "http"
},
"output": {
"example": {
"attribution": [
"Source: U.S. Federal Housing Finance Agency, House Price Index (public domain)"
],
"metric": "price_momentum_yoy",
"ranking": [
{
"geo": "FL",
"rank": 1,
"value": 5.1
},
{
"geo": "CA",
"rank": 2,
"value": 3.1
}
],
"signals": {
"count": 3,
"max": {
"geo": "FL",
"value": 5.1
},
"spread": 3
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"geo": {
"description": "Two or more geographies (states, metro CBSA codes, county FIPS or ZIPs), comma-separated",
"type": "string"
},
"metric": {
"description": "The metric to rank on (default price_momentum_yoy)",
"enum": [
"price_momentum_yoy",
"gross_rental_yield",
"price_to_income",
"median_home_value",
"median_gross_rent",
"median_household_income"
],
"type": "string"
}
},
"required": [
"geo"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T06:09:53.333Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-08T06:09:53.105Z"
},
"resource": "https://api.agentstools.dev/realestate/compare",
"serviceName": "realestate-compare",
"tags": [
"real-estate",
"compare",
"ranking",
"housing",
"yield"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare several US geographies on one real-estate metric: price momentum, gross rental yield, price to income, median home value, median gross rent or median household income. Returns a ranking plus rank, highest and lowest, spread and mean signals."
}What the leaf hashes
{"body":"12f6da68f26232b827a29a742a25e978c5add8881df610780940f677ad0152be","id":64704,"kind":"listing","method":"baseline/1","observed_us":1793025457185926,"prev":null,"subject":"x402_bazaar:https://api.agentstools.dev/realestate/compare","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).
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- 0x7d887da17795602ff54a7a2d145692904e47f8d3ab035b8db85d274d00bc9bfe
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae