← The evidence ledger
Evidence row 2201477
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://party-event-calc.x402tookit.com/drinks-estimate
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 301a92d413673ca5fc1e3551a7ca4ee25edd592b6ad4ac9f31a6c00f91de93fd
- Leaf
- 0xcb6126fa1cba8a2077285db35e684c5176f9937c16e12d806a348f59e1066f17
What was observed
{
"endpoints": [
[
"x402",
"https://party-event-calc.x402tookit.com/drinks-estimate"
]
],
"name": "Party & Event Planner",
"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": "Drinks for an event from a first-hour and later-hours rule per guest, split into beer, wine and liquor, with bottle counts.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"guests": 50,
"hours": 4
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-12T01:45:04.250Z",
"beerBottlesOrCans": 100,
"beerDrinks": 100,
"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.",
"drinkers": 50,
"drinksPerDrinker": 5,
"drinksPerLiquorBottle": 16,
"drinksPerWineBottle": 5,
"guests": 50,
"hours": 4,
"liquorBottles750ml": 4,
"liquorDrinks": 50,
"notChecked": [
"non-alcoholic drinks, water, mixers, juice and coffee (plan those separately)",
"responsible-service rules, licensing and guest safety (not alcohol-service advice)",
"…1 more"
],
"reasons": [
"Drinks per drinker = first-hour drinks + (hours - 1) x later-hour drinks; under one hour it is scaled down from the first hour.",
"Bottle counts round up; a 750 ml bottle holds about 25.4 oz."
],
"source": "computed locally (first-hour / later-hour rule of thumb; 750 ml = 25.4 oz)",
"summary": "50 drinkers x 5 drinks over 4 h = 250 drinks: 100 beers, 20 wine bottles, 4 liquor bottles.",
"totalDrinks": 250,
"totalDrinksRoundedUp": 250,
"verdict": "COMPUTED",
"wineBottles750ml": 20,
"wineDrinks": 100
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"beerPercent": {
"description": "Share of drinks that are beer (default 40)",
"type": "number"
},
"drinksPerLiquorBottle": {
"description": "Mixed drinks per 750 ml bottle (default 16, a 1.5 oz pour)",
"type": "number"
},
"drinksPerWineBottle": {
"description": "Glasses per 750 ml wine bottle (default 5)",
"type": "number"
},
"firstHourDrinks": {
"description": "Drinks per drinker in the first hour (default 2)",
"type": "number"
},
"guests": {
"description": "Total guests (1 to 5000)",
"type": "number"
},
"hours": {
"description": "Hours the bar is open, 0.5 to 24",
"type": "number"
},
"laterHourDrinks": {
"description": "Drinks per drinker for each later hour (default 1)",
"type": "number"
},
"liquorPercent": {
"description": "Share that is liquor or mixed drinks (default 20)",
"type": "number"
},
"nonDrinkingPercent": {
"description": "Percent of guests who will not drink alcohol, 0 to 100 (default 0)",
"type": "number"
},
"winePercent": {
"description": "Share that is wine (default 40)",
"type": "number"
}
},
"required": [
"guests",
"hours"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"beerBottlesOrCans": {
"type": [
"null",
"number"
]
},
"beerDrinks": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"drinkers": {
"type": [
"null",
"number"
]
},
"drinksPerDrinker": {
"type": [
"null",
"number"
]
},
"drinksPerLiquorBottle": {
"type": [
"null",
"number"
]
},
"drinksPerWineBottle": {
"type": [
"null",
"number"
]
},
"guests": {
"type": [
"null",
"number"
]
},
"hours": {
"type": [
"null",
"number"
]
},
"liquorBottles750ml": {
"type": [
"null",
"number"
]
},
"liquorDrinks": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalDrinks": {
"type": [
"null",
"number"
]
},
"totalDrinksRoundedUp": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"wineBottles750ml": {
"type": [
"null",
"number"
]
},
"wineDrinks": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:43:07.052Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:43:06.786Z"
},
"resource": "https://party-event-calc.x402tookit.com/drinks-estimate",
"serviceName": "Party & Event Planner",
"tags": [
"drinks",
"bar",
"party",
"bottles"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Drinks for an event from a first-hour and later-hours rule per guest, split into beer, wine and liquor, with bottle counts."
}What the leaf hashes
{"body":"301a92d413673ca5fc1e3551a7ca4ee25edd592b6ad4ac9f31a6c00f91de93fd","id":2201477,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805660296,"prev":null,"subject":"x402_bazaar:https://party-event-calc.x402tookit.com/drinks-estimate","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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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af