← The evidence ledger
Evidence row 2201810
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://garden-calc.x402tookit.com/frost-risk
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 87415744d7527570a989a05b7402f961e9b63fd780036aa991716fcd005da66f
- Leaf
- 0x2572893d1eecbf9a32328994fa432944d635639102b42228f1322aea62e2a4c2
What was observed
{
"endpoints": [
[
"x402",
"https://garden-calc.x402tookit.com/frost-risk"
]
],
"name": "Garden 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": "Frost or freeze class of a forecast low against plant hardiness, plus where a date sits against your average frost dates.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"averageLastFrost": "2026-05-01",
"date": "2026-04-20",
"hardiness": "tender",
"lowTemp": 31,
"unit": "f"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T20:20:02.999Z",
"averageLastFrostThisYear": "2026-05-01",
"belowThreshold": true,
"dateIsDaysBeforeAverageLastFrost": 11,
"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.",
"freezeBand": "29-32 F",
"freezeClass": "LIGHT_FREEZE",
"hardiness": "tender",
"lowC": -0.6,
"lowF": 31,
"notChecked": [
"your microclimate: low spots, cold air drainage, nearby buildings, water and wind change the night's low by 5 F or more from the forecast",
"the actual hardiness of the variety and stage (seedlings, blossoms and new growth are far more sensitive than mature leaves)",
"…2 more"
],
"protectionAdvice": "cover with frost cloth or sheets before sunset, water the soil, or bring containers inside",
"reasons": [
"light freeze (29 to 32 F, almanac convention).",
"tender plants (tomato, pepper, basil, squash, cucumber, beans) are hurt by frost and killed by a freeze (typical examples; varieties differ).",
"…1 more"
],
"source": "computed locally",
"springPosition": "BEFORE_AVERAGE_LAST_FROST",
"summary": "A low of 31 F (-0.6 C) is light freeze (29 to 32 F, almanac convention). For tender plants: damage likely. 11 days before the average last frost (2026-05-01).",
"typicalDamageThresholdF": 33,
"verdict": "DAMAGE_LIKELY"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"averageFirstFrost": {
"description": "Your average first fall frost date, YYYY-MM-DD",
"type": "string"
},
"averageLastFrost": {
"description": "Your average last spring frost date, YYYY-MM-DD (any year; month and day matter)",
"type": "string"
},
"date": {
"description": "The date as YYYY-MM-DD, for the calendar position",
"type": "string"
},
"hardiness": {
"description": "tender (default), half-hardy or hardy: how well the plant takes cold",
"type": "string"
},
"lowTemp": {
"description": "Forecast overnight low",
"type": "number"
},
"unit": {
"description": "f (default) or c",
"type": "string"
}
},
"required": [
"lowTemp"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"averageLastFrostThisYear": {
"type": [
"null",
"string"
]
},
"belowThreshold": {
"type": [
"boolean",
"null"
]
},
"dateIsDaysBeforeAverageLastFrost": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"freezeBand": {
"type": [
"null",
"string"
]
},
"freezeClass": {
"type": [
"null",
"string"
]
},
"hardiness": {
"type": [
"null",
"string"
]
},
"lowC": {
"type": [
"null",
"number"
]
},
"lowF": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"protectionAdvice": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"springPosition": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"typicalDamageThresholdF": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:24:54.747Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:24:54.567Z"
},
"resource": "https://garden-calc.x402tookit.com/frost-risk",
"serviceName": "Garden Calculators",
"tags": [
"garden",
"frost",
"freeze",
"planting",
"calculator"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Frost or freeze class of a forecast low against plant hardiness, plus where a date sits against your average frost dates."
}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