← The evidence ledger
Evidence row 2202153
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://video-calc.x402tookit.com/pulldown-32
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 59e66592070279b82874f054a55953df966d9c738cf4933128b0b8ddff8be193
- Leaf
- 0x73ee7139fdd1025ed620a64caeefe7424d206e6a301566d73a01d3a70ac6d9b9
What was observed
{
"endpoints": [
[
"x402",
"https://video-calc.x402tookit.com/pulldown-32"
]
],
"name": "Video & Timecode Calc",
"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": "2:3 pulldown cadence: which film frames land in which video fields and frames when 24 fps film is telecined.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"filmFrames": 4
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-12T00:51:07.691Z",
"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.",
"fieldSequence": "AABBBCCDDD",
"fields": 10,
"filmFpsAfterSlowdown": 23.976,
"filmFrames": 4,
"mixedFrameCount": 2,
"notChecked": [
"field dominance (upper or lower field first)",
"reverse telecine of real video",
"…1 more"
],
"reasons": [
"Film frames alternate 2 fields, 3 fields, 2, 3, so 24 film fps becomes 60 fields per second, then 59.94 after the 0.1% NTSC slowdown (24 fps becomes 23.976)."
],
"source": "computed locally (2:3 cadence)",
"startPhase": 0,
"summary": "4 film frame(s) become 10 fields = 5 video frame(s); every 4 film frames make 5 video frames, 2 frame(s) here mix two film frames.",
"verdict": "MAPPED",
"videoFpsAfterSlowdown": 29.97,
"videoFrameCount": 5,
"videoFrames": [
"AA",
"BB",
"…3 more"
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"filmFrames": {
"description": "Number of film frames to map, 1 to 240",
"type": "integer"
},
"startPhase": {
"description": "0 (default) starts on a 2-field frame; 1 starts on a 3-field frame",
"type": "integer"
}
},
"required": [
"filmFrames"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"fieldSequence": {
"type": [
"null",
"string"
]
},
"fields": {
"type": [
"null",
"number"
]
},
"filmFpsAfterSlowdown": {
"type": [
"null",
"number"
]
},
"filmFrames": {
"type": [
"null",
"number"
]
},
"mixedFrameCount": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"startPhase": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"videoFpsAfterSlowdown": {
"type": [
"null",
"number"
]
},
"videoFrameCount": {
"type": [
"null",
"number"
]
},
"videoFrames": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:39:50.885Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:39:50.607Z"
},
"resource": "https://video-calc.x402tookit.com/pulldown-32",
"serviceName": "Video & Timecode Calc",
"tags": [
"pulldown",
"telecine",
"film",
"ntsc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "2:3 pulldown cadence: which film frames land in which video fields and frames when 24 fps film is telecined."
}What the leaf hashes
{"body":"59e66592070279b82874f054a55953df966d9c738cf4933128b0b8ddff8be193","id":2202153,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813510333,"prev":null,"subject":"x402_bazaar:https://video-calc.x402tookit.com/pulldown-32","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).
- 0x73ee7440a3ba449d3448a61df7f30bcb198fc7645959075dd1be7468cf4edfa7
- 0x4db652f55ed192bf9fa87aef9cfc8f2e638fe27c611632b2f05541057b8fbd47
- 0xb10e12493e7a39d744892bfa942985db3ee3499ab3ae18c9f395e7c6da800e8d
- 0xa885ad0791d0982f5dbba6f4ec8a9f310951b054471107af8380042a9ceff7be
- 0xab2cc132122ae004ae269be5a82050e578743fda81fde0c72d07776c3b7cf5f4
- 0x564f22f2247aa7ce0f2adaf1b4e6a6fc0299f00bee2a2d4bfe76147d40aff29b
- 0x1123e354c5a35f333e0453fc947264aa9bc516622245299f7d6a05d41c8f5ac9
- 0x12403e193805995fed7a7e50cb31797519bef57be334f9b064c78a1409bc7338
- 0x431dc072bb646ba1371964ae1592fd097aa40119a55283ecc0de6c0148da85b0
- 0x2b5fb286798c3a9dd048777553e45ec473938ff54db7090c30db97b54710eab9
- 0x6fab6e9ae9938abebbc59ebae3b5a2f89707d9d65026e20a9d3cade9e8f208db
- 0x5dc8b7bdefecaffd83e245106223f07663bf6e8920fbf34d8c4c149db6fd1109
- 0xc661008e4484d030079bed4f257f712dbf632593873d45182aa879bd19ae8590
- 0x05ad6b5d39c05b20c421cfd08a369494609a679562a35de106ddfc5164e8f853
- 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af