← The evidence ledger
Evidence row 2201340
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://barcode-qr.x402tookit.com/wifi-qr-payload
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d19102ff18262aec9913c5ee39e39b34505ce20e791de9c22886ca979d420ba8
- Leaf
- 0x297a59ead75c2cb79fa0ecf8273e6f9f053132e416fda115b06fdfe73422b928
What was observed
{
"endpoints": [
[
"x402",
"https://barcode-qr.x402tookit.com/wifi-qr-payload"
]
],
"name": "Barcodes and QR Codes",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Build the standard WIFI: join string (ZXing/Android escaping of ; , : \\ and quotes) and its QR code SVG.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"password": "example-pass-123",
"ssid": "CafeGuest"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T00:45:42.494Z",
"authType": "WPA",
"characters": 43,
"dataCodewords": 64,
"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.",
"ecLevel": "M",
"encodedUnits": 43,
"errorCorrectionCodewords": 36,
"hidden": false,
"maskPattern": 6,
"mode": "byte",
"modules": 33,
"notChecked": [
"that the network exists or the password is right",
"that every phone model reads the WIFI: format (iOS 11+ and Android 10+ camera apps do; older readers may not)",
"…1 more"
],
"payload": "WIFI:T:WPA;S:CafeGuest;P:example-pass-123;;",
"penaltyScore": 752,
"quietZoneModules": 4,
"reasons": [
"Characters \\ ; , : and \" are escaped with a backslash; an all-hex SSID or password is wrapped in quotes so it is read as text."
],
"source": "computed locally",
"summary": "Wi-Fi join payload for \"CafeGuest\" (WPA) and a version 4 QR code.",
"svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 41 41\" shape-rendering=\"crispEdges\"><rect width=\"41\" height=\"41\" fill=\"#ffffff\"/><path fill=\"#000000\" d=\"M4 4h7v1h-7zM12 4h1v1h-1zM14 4h1v1h-1zM17 …",
"svgBytes": 4217,
"verdict": "BUILT",
"version": 4
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"auth": {
"description": "WPA (default with a password), WEP, SAE (WPA3) or nopass",
"type": "string"
},
"border": {
"description": "QR quiet zone in modules, 0 to 10 (default 4)",
"type": "integer"
},
"ec": {
"description": "QR error correction L, M, Q or H (default M)",
"type": "string"
},
"hidden": {
"description": "true if the network does not broadcast its name",
"type": "string"
},
"password": {
"description": "Network password (omit for an open network)",
"type": "string"
},
"scale": {
"description": "Pixels per module, 1 to 20 (default 0: scalable)",
"type": "integer"
},
"ssid": {
"description": "Network name (SSID), up to 32 characters",
"type": "string"
}
},
"required": [
"ssid"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"authType": {
"type": [
"null",
"string"
]
},
"characters": {
"type": [
"null",
"number"
]
},
"dataCodewords": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"ecLevel": {
"type": [
"null",
"string"
]
},
"encodedUnits": {
"type": [
"null",
"number"
]
},
"errorCorrectionCodewords": {
"type": [
"null",
"number"
]
},
"hidden": {
"type": [
"boolean",
"null"
]
},
"maskPattern": {
"type": [
"null",
"number"
]
},
"mode": {
"type": [
"null",
"string"
]
},
"modules": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"payload": {
"type": [
"null",
"string"
]
},
"penaltyScore": {
"type": [
"null",
"number"
]
},
"quietZoneModules": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"svg": {
"type": [
"null",
"string"
]
},
"svgBytes": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"version": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:05:28.135Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-02T04:05:27.94Z"
},
"resource": "https://barcode-qr.x402tookit.com/wifi-qr-payload",
"serviceName": "Barcodes and QR Codes",
"tags": [
"wifi",
"qr",
"payload",
"svg"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Build the standard WIFI: join string (ZXing/Android escaping of ; , : \\ and quotes) and its QR code SVG."
}What the leaf hashes
{"body":"d19102ff18262aec9913c5ee39e39b34505ce20e791de9c22886ca979d420ba8","id":2201340,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804575747,"prev":null,"subject":"x402_bazaar:https://barcode-qr.x402tookit.com/wifi-qr-payload","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).
- 0x297afd4aa65427100250490b91fba5f9c444a5c8060915cce65235b8a9b44261
- 0x9ca66f469ec51c48e5ca30f318741ff16670f2522b36c479ab23543a55f055df
- 0x32419c6c509afeed07b5694eaa75439c3ee1c1e8ea55c00b383092c14496fa2e
- 0xda0595a0754c395e5ab979247069ea9564467434aaa2e335a45a4eb905c0a604
- 0x24b1f36eb7165a156acbc69fb8a78eeee28509466769f0b52bb2a31e12487caa
- 0x15401260c43bf3f0951bdf50f816ee09f0ef37da3c2ae177a50daf6219cab2e5
- 0x29481b99955db5a1afceefbac0db2685ec963d09f9aef7f4dade0d96e6c8b491
- 0xdf923e9c7891725c81a37da1a3e699fc4ab4262aadd8fc0e572d764355da8389
- 0x4d8b674edf947a40038999fa55dc3e7b297daa6fe7a7fb31612cd2943183e449
- 0x224b2001fa169ff32aeb1fb8a7039cf41cc42f7c621c3c9263b683597189e92e
- 0x3a357782ba07e599ae562ea10c121f44a54f1714e65b1a2ebad231777f58f729
- 0xe12350a7a5fded6eeb0ecfd68a402669600feceb96d01436f0e00602ab64078d
- 0x51e311ca2900bdc02d33f863997ecf605beee83455e2af17106fa126c029645d
- 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
- 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af