← The evidence ledger
Evidence row 2201343
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://barcode-qr.x402tookit.com/qr-svg
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bea619a597f28fc54a67527cd611383134463bba217fc3d25d3cfd94cd40235f
- Leaf
- 0x06497a6de8a476743a738f8e2b470dd26221f8a288569f52def59bb3ea12c9bf
What was observed
{
"endpoints": [
[
"x402",
"https://barcode-qr.x402tookit.com/qr-svg"
]
],
"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": "Encode text as a QR code SVG (ISO 18004, versions 1-40, error correction L/M/Q/H, auto mask). No dependencies.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"ec": "Q",
"text": "HELLO WORLD"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T00:45:41.966Z",
"characters": 11,
"dataCodewords": 13,
"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": "Q",
"encodedUnits": 11,
"errorCorrectionCodewords": 13,
"maskPattern": 6,
"mode": "alphanumeric",
"modules": 21,
"notChecked": [
"that your scanner app reads it (scan the printed result before relying on it)",
"print size, contrast and quiet-zone fit for your medium",
"…1 more"
],
"penaltyScore": 314,
"quietZoneModules": 4,
"reasons": [
"The svg field is a complete SVG document; save it as .svg or embed it inline."
],
"source": "computed locally",
"summary": "Version 1 (21x21) QR code, alphanumeric mode, error correction Q, mask 6.",
"svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 29 29\" shape-rendering=\"crispEdges\"><rect width=\"29\" height=\"29\" fill=\"#ffffff\"/><path fill=\"#000000\" d=\"M4 4h7v1h-7zM15 4h1v1h-1zM18 4h7v1h-7zM4 5…",
"svgBytes": 1708,
"verdict": "ENCODED",
"version": 1
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"bg": {
"description": "Light module colour, 6-digit hex (default ffffff)",
"type": "string"
},
"border": {
"description": "Quiet zone in modules, 0 to 10 (default 4)",
"type": "integer"
},
"ec": {
"description": "Error correction level L, M, Q or H (default M)",
"type": "string"
},
"fg": {
"description": "Dark module colour, 6-digit hex (default 000000)",
"type": "string"
},
"mask": {
"description": "Force mask pattern 0 to 7 (default: lowest penalty)",
"type": "integer"
},
"mode": {
"description": "auto (default), numeric, alphanumeric or byte",
"type": "string"
},
"scale": {
"description": "Pixels per module for width/height, 1 to 20 (default 0: scalable)",
"type": "integer"
},
"text": {
"description": "Text or URL to encode (up to 1000 characters)",
"type": "string"
},
"version": {
"description": "Smallest QR version to use, 1 to 40 (default: the smallest that fits)",
"type": "integer"
}
},
"required": [
"text"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"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"
]
},
"maskPattern": {
"type": [
"null",
"number"
]
},
"mode": {
"type": [
"null",
"string"
]
},
"modules": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"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": "2026-11-02T04:05:25.845Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-02T04:05:25.705Z"
},
"resource": "https://barcode-qr.x402tookit.com/qr-svg",
"serviceName": "Barcodes and QR Codes",
"tags": [
"qr",
"qr-code",
"svg",
"barcode"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Encode text as a QR code SVG (ISO 18004, versions 1-40, error correction L/M/Q/H, auto mask). No dependencies."
}What the leaf hashes
{"body":"bea619a597f28fc54a67527cd611383134463bba217fc3d25d3cfd94cd40235f","id":2201343,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804586582,"prev":null,"subject":"x402_bazaar:https://barcode-qr.x402tookit.com/qr-svg","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).
- 0x06497c145d3613ab99ea9e016c41f0e8d0eab402dbff3e7b6fa620458ba650f7
- 0xa00c9d6f43d3c7275fd3427c768184270d554c43a6e5f263926eff949234e67a
- 0x10870eb86a5e7afbc05270a1850d305cbbfa4062777ff5751492740bc14eb51f
- 0x51a78dcde32eadf67db59fdfd3890527b0f85c1de207e7bf4b474c084341323c
- 0xafe6f1d234900d318984a488dce5636b4dd47e7bceee8f5ee8d10279b6c8e887
- 0xc6a0fd87316eadf2b91025757924b607f2a7239c4489669faaaf53fc8bb225b3
- 0x41354f2bed49a05aeb0f7fa7bb8b9b083e374df40958423ae738cd4869aeffb3
- 0xa1a50702c0e22249c61e5caa86100fdd0e80dd30a51f155a553cdb950fc7b221
- 0x9d6fc3e48d14456087d5939378c5777cf93a028ced391cb9d9df7f6b1195fd15
- 0xb67ace2dc79b7027a8866a7d7302d3da37a7804f9e245b97ce4fa71530ec20e9
- 0x1d1c0c563c8315b67ece4fc4273d2af4a8da45543bd800c0aa690e74af29e808
- 0x5a4bb2a742efda8c5fca9022296b0528dfaac5807b65e22eed672845bad6b21f
- 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
- 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
- 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
- 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af