← The evidence ledger
Evidence row 118938
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://qr-api-production-1836.up.railway.app/generate/batch
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 62b322ab38f74568087d0758fe4e5e68634bd17facacf4117559ed6d61fe45da
- Leaf
- 0xfeb4989c4408e75e2bb55cdd00b2e45692fda3e223c8d69a0d82b46605d0c328
What was observed
{
"endpoints": [
[
"x402",
"https://qr-api-production-1836.up.railway.app/generate/batch"
]
],
"name": "qr-api-production-1836.up.railway.app/generate/batch",
"owner_address": "0xffc458db291b4abce020fe3de4f91f2770e537b1",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1",
"scheme": "exact"
}
],
"description": "Generate up to 20 QR codes in one call; returns a per-item record with QR metadata and the base64 PNG, or an error per item.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"data": "https://payapi.market",
"label": "home"
},
{
"data": "https://payapi.market/docs",
"label": "docs"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"count": 2,
"results": [
{
"back_color": "#ffffff",
"border": 4,
"box_size": 10,
"data": "https://payapi.market",
"error_correction": "M",
"fill_color": "#000000",
"format": "png",
"height": 330,
"image_base64": "iVBORw0KGgoAAAANSUhEUgAAASIAAAEiCAYAAABdvt+2AAAABmJLR0QA/wD/AP+gvaeTAAAF...",
"index": 0,
"label": "home",
"modules": 25,
"size_bytes": 512,
"version": 2,
"width": 330
},
{
"back_color": "#ffffff",
"border": 4,
"box_size": 10,
"data": "https://payapi.market/docs",
"error_correction": "M",
"fill_color": "#000000",
"format": "png",
"height": 330,
"image_base64": "iVBORw0KGgoAAAANSUhEUgAAASIAAAEiCAYAAABdvt+2AAAABmJLR0QA/wD/AP+gvaeTAAAF...",
"index": 1,
"label": "docs",
"modules": 25,
"size_bytes": 548,
"version": 2,
"width": 330
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"items": {
"description": "Up to 20 items, each with 'data' (text/URL to encode) and an optional 'label'.",
"items": {
"properties": {
"data": {
"type": "string"
},
"label": {
"type": "string"
}
},
"required": [
"data"
],
"type": "object"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"count": {
"description": "Number of items processed.",
"type": "integer"
},
"results": {
"description": "Per-item records; each carries index, label, data, QR meta, and image_base64 (or an error field).",
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T10:01:12.989Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-08T10:01:12.766Z"
},
"resource": "https://qr-api-production-1836.up.railway.app/generate/batch",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Generate up to 20 QR codes in one call; returns a per-item record with QR metadata and the base64 PNG, or an error per item."
}What the leaf hashes
{"body":"62b322ab38f74568087d0758fe4e5e68634bd17facacf4117559ed6d61fe45da","id":118938,"kind":"listing","method":"baseline/1","observed_us":1793025614039470,"prev":null,"subject":"x402_bazaar:https://qr-api-production-1836.up.railway.app/generate/batch","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xfeb496ff665e5d5885b3c1bd322ff50e7791eb98ad1111b48bca7ce73751d843
- 0xb71ab6590936a3d8d69fd3e5b43a0759642468de508056a0dc0b0cbec766c9f7
- 0x159b99ecb7403efaf459b50b69b7f93f69b2e64ec490ca511dfdf1c686d2d7c8
- 0x14d08ddec87db284ce585ed8ef09982a2be5763fb79bc0e63b84c62848309b55
- 0xc1025f3f9c92bd2a03d7a2bf74cd5445622e9578a30004f8aa8b70748f11581d
- 0x9b472ee0289ca395515dd790578c38ca32b142daec8a3e2cec48d59233fca338
- 0x93dea4516bc8a6d417c1193efe109a536d612e8ebe6d4918aaadce63024f05b3
- 0x1a6c87c5a3b9f3232b86b25850ebe47d183e66c8d948ef72130a76ccc92d4385
- 0x5a9934474219da674a41b253d1676c2d7c561b15e97c722ce053a7b292b04140
- 0x00c341aeb80a00104d56004ab29bf5c11c63c2f7f5da2e77fcaa830f7ba9da8a
- 0xf0e3125fdb80cc0fbd2c1ed68c94834a74c7a387a89a1ab6de49183f24f78649
- 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae