← The evidence ledger
Evidence row 2201952
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://electrical-calc.x402tookit.com/ohms-law-ac
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a4105c26efd4bd3cfeb88003feb8d0fdd74ab6b5f47067b74be69394e47809bd
- Leaf
- 0x6663187097aa13c644eff4a2ef4f858efd759649d6be994a724700e3e99db6f2
What was observed
{
"endpoints": [
[
"x402",
"https://electrical-calc.x402tookit.com/ohms-law-ac"
]
],
"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": "Series R, L, C impedance, phase angle, current, resonant frequency, Q and bandwidth at a given frequency.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"capacitanceUf": 10,
"frequencyHz": 159.155,
"inductanceMh": 100,
"resistanceOhm": 10,
"voltageV": 120
},
"type": "http"
},
"output": {
"example": {
"apparentPowerVa": 1440,
"asOf": "2026-10-21T06:22:28.470Z",
"bandwidthHz": 15.91549,
"capacitiveReactanceOhm": 99.99996,
"capacitorVoltageV": 1200,
"currentA": 12,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"impedanceOhm": 10,
"inductiveReactanceOhm": 100,
"inductorVoltageV": 1200,
"netReactanceOhm": 0.00007151282,
"notChecked": [
"parasitic resistance, capacitance and inductance of real parts",
"parallel circuits (this is the series model only)",
"…1 more"
],
"phaseAngleDeg": 0.0004097383,
"powerFactor": 1,
"qualityFactor": 10,
"realPowerW": 1440,
"reasons": [
"Reactances: XL = 2 pi f L, XC = 1 / (2 pi f C); net X = XL - XC; Z = sqrt(R^2 + X^2); phase = atan2(X, R) (positive = voltage leads current).",
"Resonance f0 = 1 / (2 pi sqrt(LC)); series Q = sqrt(L/C) / R; bandwidth = f0 / Q."
],
"resistorVoltageV": 120,
"resonantFrequencyHz": 159.1549,
"source": "computed locally (XL = 2 pi f L; XC = 1/(2 pi f C); Z = sqrt(R^2 + (XL - XC)^2); f0 = 1/(2 pi sqrt(LC)); Q = sqrt(L/C)/R)",
"summary": "Series circuit at 159.155 Hz: |Z| = 10 ohm at 0.00040974 degrees (inductive); resonance at 159.155 Hz.",
"verdict": "AT_RESONANCE"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"capacitanceUf": {
"description": "Series capacitance in microfarads (omit for none)",
"type": "number"
},
"frequencyHz": {
"description": "AC frequency in hertz",
"type": "number"
},
"inductanceMh": {
"description": "Series inductance in millihenries (omit for none)",
"type": "number"
},
"resistanceOhm": {
"description": "Series resistance in ohms (0 or more)",
"type": "number"
},
"voltageV": {
"description": "RMS source voltage in volts, for current and component voltages",
"type": "number"
}
},
"required": [
"resistanceOhm",
"frequencyHz"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"apparentPowerVa": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"bandwidthHz": {
"type": [
"null",
"number"
]
},
"capacitiveReactanceOhm": {
"type": [
"null",
"number"
]
},
"capacitorVoltageV": {
"type": [
"null",
"number"
]
},
"currentA": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"impedanceOhm": {
"type": [
"null",
"number"
]
},
"inductiveReactanceOhm": {
"type": [
"null",
"number"
]
},
"inductorVoltageV": {
"type": [
"null",
"number"
]
},
"netReactanceOhm": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"phaseAngleDeg": {
"type": [
"null",
"number"
]
},
"powerFactor": {
"type": [
"null",
"number"
]
},
"qualityFactor": {
"type": [
"null",
"number"
]
},
"realPowerW": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"resistorVoltageV": {
"type": [
"null",
"number"
]
},
"resonantFrequencyHz": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
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"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:51:13.933Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:51:13.751Z"
},
"resource": "https://electrical-calc.x402tookit.com/ohms-law-ac",
"serviceName": "Electrical Calculators",
"tags": [
"impedance",
"rlc",
"resonance",
"ac"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Series R, L, C impedance, phase angle, current, resonant frequency, Q and bandwidth at a given frequency."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af