← The evidence ledger
Evidence row 2201520
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://network-calc.x402tookit.com/transfer-time
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 393a4c9752341318524a030145e4f1ecb57284689468240672f318290ea3847c
- Leaf
- 0x941f7beb926184716b22f9bb8c8e5e7911ca2c402361034e27f727facaf6b02b
What was observed
{
"endpoints": [
[
"x402",
"https://network-calc.x402tookit.com/transfer-time"
]
],
"name": "Network 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": "Time to transfer a file at a bandwidth (with protocol overhead), or the bandwidth or data size implied by the other two.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"bandwidth": 100,
"overheadPercent": 5,
"rateUnit": "Mbps",
"size": 1,
"sizeUnit": "GB"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:45:32.871Z",
"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.",
"duration": "1 min 24 s",
"effectiveMBps": 11.875,
"effectiveMbps": 95,
"effectiveMiBps": 11.32488251,
"hours": 0.02339181,
"minutes": 1.403509,
"notChecked": [
"latency and TCP slow start, which make short transfers slower than size / rate suggests (see /tcp-throughput)",
"the real bottleneck: disk, CPU, server limits, Wi-Fi contention or a shared link",
"…2 more"
],
"overheadPercent": 5,
"rateMbps": 100,
"reasons": [
"Effective rate 95 Mbps = 11.875 MB/s.",
"Time = size x 8 / effective rate."
],
"seconds": 84.210526,
"sizeBytes": 1000000000,
"sizeGB": 1,
"sizeGiB": 0.93132257,
"sizeMB": 1000,
"sizeMiB": 953.674316,
"source": "time = bits / (rate x efficiency), computed locally",
"summary": "1 GB at 100 Mbps (5% overhead) takes 1 min 24 s (84.211 s).",
"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": {
"bandwidth": {
"description": "Link or throughput rate (with rateUnit)",
"type": "number"
},
"overheadPercent": {
"description": "Share of the rate lost to protocol overhead and inefficiency, 0 to 90 (default 0)",
"type": "number"
},
"rateUnit": {
"description": "bps, kbps, Mbps (default), Gbps, Tbps, or bytes per second: KB/s, MB/s, GB/s, MiB/s, GiB/s",
"type": "string"
},
"seconds": {
"description": "Duration in seconds (to solve for size or bandwidth)",
"type": "number"
},
"size": {
"description": "Data size (with sizeUnit)",
"type": "number"
},
"sizeUnit": {
"description": "B, KB, MB (default), GB, TB, PB (decimal) or KiB, MiB, GiB, TiB, PiB (binary); all BYTES",
"type": "string"
}
},
"required": [],
"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"
]
},
"duration": {
"type": [
"null",
"string"
]
},
"effectiveMBps": {
"type": [
"null",
"number"
]
},
"effectiveMbps": {
"type": [
"null",
"number"
]
},
"effectiveMiBps": {
"type": [
"null",
"number"
]
},
"hours": {
"type": [
"null",
"number"
]
},
"minutes": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"overheadPercent": {
"type": [
"null",
"number"
]
},
"rateMbps": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"seconds": {
"type": [
"null",
"number"
]
},
"sizeBytes": {
"type": [
"null",
"number"
]
},
"sizeGB": {
"type": [
"null",
"number"
]
},
"sizeGiB": {
"type": [
"null",
"number"
]
},
"sizeMB": {
"type": [
"null",
"number"
]
},
"sizeMiB": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:40:52.878Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:40:52.725Z"
},
"resource": "https://network-calc.x402tookit.com/transfer-time",
"serviceName": "Network Calc",
"tags": [
"bandwidth",
"transfer-time",
"throughput",
"download"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Time to transfer a file at a bandwidth (with protocol overhead), or the bandwidth or data size implied by the other two."
}What the leaf hashes
{"body":"393a4c9752341318524a030145e4f1ecb57284689468240672f318290ea3847c","id":2201520,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805811608,"prev":null,"subject":"x402_bazaar:https://network-calc.x402tookit.com/transfer-time","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).
- 0x941f91420b54d16d4d1adfc9864e06855bd4e53f06dc7f0af227903dd1b8da22
- 0xc9c963e431c12ab72132f919f73de3577cb03319bc6884878fe18ee6103800a6
- 0x690084c408766e6779426a5b0e2818e3817eaf169388b5d116e963748ed643c7
- 0xb32ed9d22ac034518a4e883217be0d95537d5fc2db936bf5cbe55a4f7e25fad9
- 0x17fb3209941025b0942e676c6f970072596cb0cbaeea4dc30bea3ee9f69df0f6
- 0xa6c2c9d669551fbcad685e3c8446e04f753e136a10faca3d51360392e81c7352
- 0xe5888328976a62a33c3187923bbf42b4c3214ee9ed61baf327cc51f0a20a9f68
- 0x4d36d8896cba3d178ab645f00e36b2b62c01640bb79c9a6e3d7ba604736a81d2
- 0x25e863e27510e880ce783e473acf579b9ced4a7400e02a8c0a87d8885ece07a5
- 0xfc6bea86a9faca3b2cb63ae9e15494a4071b82f5fd28415317b05127901c583b
- 0x70c2da3fe33ab36b2a6d849296a1210a38a28725ab16642db7e8f6c31012e505
- 0xea6f93175048cf85d24408769c79295ffeeaf7c9deac709218a5ca018c0181b0
- 0xa17f6a1bac5d26cc57d2e02b81d6f7d4d897fa15d99d32d506b3ff7cbcfd9c03
- 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af