← The evidence ledger
Evidence row 2201478
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://party-event-calc.x402tookit.com/cake-servings
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0bd87bc3397f57c04dd3cb0784598fdf9f8bd5f8eec221914b2bc4bd7534a044
- Leaf
- 0xd7455254cd150be0482fa9cbd84c7e2c88af2217f5e4036c3b31bbf1cc444f91
What was observed
{
"endpoints": [
[
"x402",
"https://party-event-calc.x402tookit.com/cake-servings"
]
],
"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": "Cake servings from pan size and area per slice: round, square or rectangle, one or several tiers, wedding or party slice style.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"shape": "round",
"sizeIn": "6,8,10",
"sliceStyle": "wedding"
},
"type": "http"
},
"output": {
"example": {
"areaPerSliceSqIn": 2,
"asOf": "2026-10-12T01:45:03.985Z",
"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.",
"notChecked": [
"cake height, tier spacing, and how deep a slice is cut",
"published wedding-cake charts (this uses area per slice, so it can differ by a few servings)",
"…1 more"
],
"reasons": [
"Each tier gives whole slices: top area / area per slice, rounded down; the tiers are added.",
"Round area = pi x radius squared."
],
"shape": "round",
"sliceStyle": "wedding",
"source": "computed locally (top area of each tier divided by area per slice; no published serving chart is used)",
"summary": "78 servings from 3 round tier(s) at 2 sq in a slice (wedding).",
"tierCount": 3,
"tiers": [
{
"servings": 14,
"sizeIn": 6,
"topAreaSqIn": 28.27
},
{
"servings": 25,
"sizeIn": 8,
"topAreaSqIn": 50.27
}
],
"totalServings": 78,
"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": {
"servingSqIn": {
"description": "Your own area per slice in square inches, replacing the style",
"type": "number"
},
"shape": {
"description": "round, square or rectangle",
"type": "string"
},
"sizeIn": {
"description": "Diameter or side in inches; for stacked tiers a comma list like 6,8,10 (rectangle: its length, one tier)",
"type": "string"
},
"sliceStyle": {
"description": "wedding (2 sq in per slice, a 1 x 2 inch top) or party (4 sq in, 2 x 2 inch). Default wedding",
"type": "string"
},
"widthIn": {
"description": "Width in inches (rectangle only)",
"type": "number"
}
},
"required": [
"shape",
"sizeIn"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"areaPerSliceSqIn": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"shape": {
"type": [
"null",
"string"
]
},
"sliceStyle": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"tierCount": {
"type": [
"null",
"number"
]
},
"tiers": {
"items": {
"properties": {
"servings": {
"type": [
"null",
"number"
]
},
"sizeIn": {
"type": [
"null",
"number"
]
},
"topAreaSqIn": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"totalServings": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:43:04.575Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:43:04.395Z"
},
"resource": "https://party-event-calc.x402tookit.com/cake-servings",
"serviceName": "Party & Event Planner",
"tags": [
"cake",
"servings",
"party",
"wedding"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cake servings from pan size and area per slice: round, square or rectangle, one or several tiers, wedding or party slice style."
}What the leaf hashes
{"body":"0bd87bc3397f57c04dd3cb0784598fdf9f8bd5f8eec221914b2bc4bd7534a044","id":2201478,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805663954,"prev":null,"subject":"x402_bazaar:https://party-event-calc.x402tookit.com/cake-servings","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).
- 0xd74566183b94c9927420d4d722273754813742f2aac2893647961e20c5e54e42
- 0x6a62eb5e0443d8e87e982f82cda85e8237252187c897545bd23f7848df75b361
- 0x8f430664734bb5cf50e7b95d3365551aed798e12b7cff3a5e9e5b87c792c4eeb
- 0x160195e32c0a6866765cc26423ae5bf48139f64ee4c830ed76a149ed6cbc6cc6
- 0x61242636b91096f8ec9b3941dc36878f323f469c59fa6fbbb08f74af01531f9b
- 0xfc7b9b500c2b304f5d807d019e1f2f0fb9aff3ff8dc7c1b7feba078830a827cc
- 0xf86ebd73cae27bb434fc41440817fce02e9aa2a9aae25600662d1b5d17891b99
- 0x9ac22fa2abbf2f09451295850ba8d4667e4cff6ac8b7ec75bb0db74a9b90f92f
- 0xf0704daa07b0f085be5ded7254d1c9a428dca86219fda774fe7a693846ed9eb5
- 0x317ffb133187b04e860aba9447f8a1bde4073c3978a44b4e143bdde76515d592
- 0x478c96b3d87966042186521b67a1083fc2315fb4c850c47fba24bedc5a640369
- 0x7187889e0cb6879609e91cd98c7d6289b291639a739c761b50ed349bfcd02009
- 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
- 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af