← The evidence ledger
Evidence row 2201953
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://electrical-calc.x402tookit.com/energy-cost
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e425806e9b54367640b1b51490d7f5431a1ffd7db7dbe6393bdf8e2f2ce0603d
- Leaf
- 0x9cd7cc30d3edf30158931042d3918fcfab55cc0a5a49ad0d06bb920c87dd1cff
What was observed
{
"endpoints": [
[
"x402",
"https://electrical-calc.x402tookit.com/energy-cost"
]
],
"name": "Electrical Calculators",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Energy use in kWh and its cost from a flat rate or tiered blocks, plus an optional demand charge and fixed fee.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 30,
"demandRatePerKw": 8,
"fixedCharge": 10,
"hoursPerDay": 5,
"powerKw": 2,
"tiers": "100:0.10;100:0.15;inf:0.20"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T06:22:28.206Z",
"averageKw": 2,
"blocks": [
{
"cost": 10,
"kwh": 100,
"ratePerKwh": 0.1
},
{
"cost": 15,
"kwh": 100,
"ratePerKwh": 0.15
}
],
"days": 30,
"degraded": false,
"demandCost": 16,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"effectiveRatePerKwh": 0.2366667,
"energyCost": 45,
"fixedCharge": 10,
"hoursPerDay": 5,
"kwh": 300,
"notChecked": [
"time-of-use rates, taxes, riders and fuel adjustments",
"power factor penalties and ratchet demand clauses",
"…1 more"
],
"peakKw": 2,
"reasons": [
"kWh = kW x hours per day x days, unless kwh is given.",
"Each tier is a block of kWh priced at its rate; later blocks start where earlier ones end."
],
"source": "computed locally (kWh = kW x h; cost = sum of block kWh x rate + demand kW x rate + fixed)",
"summary": "300 kWh over 30 day(s) costs 71 (energy 45, demand 16, fixed 10).",
"totalCost": 71,
"unpricedKwh": 0,
"verdict": "COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"days": {
"description": "Number of days in the period (default 30)",
"type": "number"
},
"demandRatePerKw": {
"description": "Demand charge per kW of peak per period (default 0)",
"type": "number"
},
"fixedCharge": {
"description": "Fixed charge for the period in your currency (default 0)",
"type": "number"
},
"flatRatePerKwh": {
"description": "Price per kWh in your currency (use this or tiers)",
"type": "number"
},
"hoursPerDay": {
"description": "Hours of use per day, 0 to 24 (default 24)",
"type": "number"
},
"kwh": {
"description": "Energy in kWh for the period; overrides powerKw x hours x days",
"type": "number"
},
"peakKw": {
"description": "Peak demand in kW for the demand charge (default powerKw)",
"type": "number"
},
"powerKw": {
"description": "Average running load in kilowatts (or send kwh to override)",
"type": "number"
},
"tiers": {
"description": "Blocks as size:rate pairs separated by semicolons, e.g. 100:0.10;200:0.15;inf:0.20 (kWh per block : price per kWh)",
"type": "string"
}
},
"required": [
"powerKw"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"averageKw": {
"type": [
"null",
"number"
]
},
"blocks": {
"items": {
"properties": {
"cost": {
"type": [
"null",
"number"
]
},
"kwh": {
"type": [
"null",
"number"
]
},
"ratePerKwh": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"days": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"demandCost": {
"type": [
"null",
"number"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"effectiveRatePerKwh": {
"type": [
"null",
"number"
]
},
"energyCost": {
"type": [
"null",
"number"
]
},
"fixedCharge": {
"type": [
"null",
"number"
]
},
"hoursPerDay": {
"type": [
"null",
"number"
]
},
"kwh": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"peakKw": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalCost": {
"type": [
"null",
"number"
]
},
"unpricedKwh": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:51:11.671Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:51:11.392Z"
},
"resource": "https://electrical-calc.x402tookit.com/energy-cost",
"serviceName": "Electrical Calculators",
"tags": [
"energy",
"kwh",
"tariff",
"cost"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Energy use in kWh and its cost from a flat rate or tiered blocks, plus an optional demand charge and fixed fee."
}What the leaf hashes
{"body":"e425806e9b54367640b1b51490d7f5431a1ffd7db7dbe6393bdf8e2f2ce0603d","id":2201953,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810992589,"prev":null,"subject":"x402_bazaar:https://electrical-calc.x402tookit.com/energy-cost","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- 0x5771bde66c5f9992a2c18e5f0be6f72d60141222dbee7d20a011e4cdddd265fe
- 0x637150ba7caaa391f8c5182da47db004a77dd5a68404da15200ff577be803702
- 0xc329e6e1b5e65a035c296b7bbbddc18e668058b8be09673e268babe6a8d1f824
- 0xf714676e79460ceb5c6f144f4a0699cfc1298d57e062fc6295ce76c1fb9a95a9
- 0x4513f52fe87daf1db700a9667d602fd3ef58ee1bb21a3277eeee2b77fdf3aa3e
- 0xe76812bd40e4cc597f49a99c25abfeed399db07d379b5ddc3f78d59b5a7e5ed3
- 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
- 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
- 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
- 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
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- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af