← The evidence ledger
Evidence row 118651
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/houseHackingCalculator
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 709f4e82ea7d081285a63cc6d0545ac5768046523761d3ec3233a61aadc941c7
- Leaf
- 0x9b6b6e883f0ce9f2411c9c031dd4b73b6871e9e65ee4d1ccc5d33118845d54eb
What was observed
{
"endpoints": [
[
"x402",
"https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/houseHackingCalculator"
]
],
"name": "Sindri",
"owner_address": "0x548efd4f4d4a5c3669dbb4cbb2b1a637feeec5f6",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "APer2AbhckyMWyJanW2MZ2eRLcpL9Lmhks8rkmXfqjRG",
"scheme": "exact"
}
],
"description": "House hacking calculator. Nets rental income from other units/rooms against your mortgage payment and expenses, then adds back the equity you build via principal paydown and the market rent you avoid paying elsewhere, to compute the true monthly net-worth impact of living in and renting out part of a property.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"annualInsurance": 1500,
"annualMaintenance": 4000,
"downPaymentPercent": 0.05,
"interestRate": 0.065,
"loanTermYears": 30,
"monthlyHOA": 0,
"propertyTaxRate": 0.01,
"purchasePrice": 400000,
"rentPerUnit": 1200,
"rentSavingsPerMonth": 1200,
"rentableUnits": 2,
"vacancyRate": 0.08
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"additionalExpensesMonthly": 791.6666666666666,
"averageIncomeMonthly": 2208,
"monthlyMortgagePayment": 2401.8584892732683,
"netCashFlowMonthly": -985.525155939935,
"overallNetWorthImpactMonthly": 557.9999999999999,
"params": {
"annualInsurance": 1500,
"annualMaintenance": 4000,
"downPaymentPercent": 0.05,
"interestRate": 0.065,
"loanTermYears": 30,
"monthlyHOA": 0,
"propertyTaxRate": 0.01,
"purchasePrice": 400000,
"rentPerUnit": 1200,
"rentSavingsPerMonth": 1200,
"rentableUnits": 2,
"vacancyRate": 0.08
},
"principalPaydownMonthly": 343.52515593993485
},
"ok": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"annualInsurance": {
"description": "Annual homeowner/landlord insurance.",
"type": "number"
},
"annualMaintenance": {
"description": "Annual maintenance budget.",
"type": "number"
},
"downPaymentPercent": {
"description": "Down payment as a fraction of purchase price (0-1).",
"type": "number"
},
"interestRate": {
"description": "Annual mortgage interest rate, as a fraction.",
"type": "number"
},
"loanTermYears": {
"description": "Loan term in years (1-50).",
"type": "number"
},
"monthlyHOA": {
"default": 0,
"description": "Monthly HOA fee. Default 0.",
"type": "number"
},
"propertyTaxRate": {
"description": "Annual property tax rate, as a fraction of purchase price (0-1).",
"type": "number"
},
"purchasePrice": {
"description": "Property purchase price.",
"type": "number"
},
"rentPerUnit": {
"description": "Monthly rent charged per unit.",
"type": "number"
},
"rentSavingsPerMonth": {
"default": 0,
"description": "Market rent you avoid paying elsewhere by living in this property, per month. Default 0.",
"type": "number"
},
"rentableUnits": {
"description": "Number of rentable units/rooms other than your own.",
"type": "number"
},
"vacancyRate": {
"description": "Expected vacancy rate, as a fraction (0-1).",
"type": "number"
}
},
"required": [
"purchasePrice",
"downPaymentPercent",
"interestRate",
"loanTermYears",
"rentableUnits",
"rentPerUnit",
"vacancyRate",
"propertyTaxRate",
"annualInsurance",
"annualMaintenance"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "x402_api_vendor",
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
},
"lastUpdated": "2026-10-08T06:26:05.884Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:26:05.276Z"
},
"resource": "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/houseHackingCalculator",
"serviceName": "Sindri",
"tags": [
"house hacking",
"real estate investing",
"rental property"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "House hacking calculator. Nets rental income from other units/rooms against your mortgage payment and expenses, then adds back the equity you build via principal paydown and the market rent you avoid paying elsewhere, to compute the true monthly net-worth impact of living in and renting out part of a property."
}What the leaf hashes
{"body":"709f4e82ea7d081285a63cc6d0545ac5768046523761d3ec3233a61aadc941c7","id":118651,"kind":"listing","method":"baseline/1","observed_us":1793025613564780,"prev":null,"subject":"x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/houseHackingCalculator","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.