← The evidence ledger
Evidence row 122282
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/image/qr-read
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fed331346cbb2ff5b46dfea3a2af8cb0c363acaa7d250a5ac3573a8b6ea65dd4
- Leaf
- 0x21d49387f5d4701b5269baf82cace894ef8b790f902467e2ec522e0fd353da48
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/image/qr-read"
]
],
"name": "Tanod imagepeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
}
],
"description": "imagepeek (Tanod) QR and barcode reader: decoded text, type and position of every code in an image. Use when an image holds QR codes or barcodes whose decoded text, positions or payment fields are needed.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://tanod.dev/examples/qr-sample-pix.png"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"codes": [
{
"bbox": {
"height": 392,
"left": 32,
"top": 32,
"width": 392
},
"emv": {
"additional_data": {
"reference_label": "***"
},
"amount": null,
"country_code": "BR",
"crc": {
"computed": "65E2",
"declared": "65E2",
"valid": true
},
"currency": {
"alpha": "BRL",
"numeric": "986"
},
"merchant_account_information": [
{
"fields": {
"01": "123e4567-e89b-12d3-a456-426655440000"
},
"guid": "br.gov.bcb.pix",
"id": "26",
"pix": {
"key": "123e4567-e89b-12d3-a456-426655440000"
},
"scheme": "PIX"
}
],
"merchant_category_code": "0000",
"merchant_city": "BRASILIA",
"merchant_name": "LOJA TEST",
"payload_format_indicator": "01",
"point_of_initiation": {
"code": "12",
"method": "dynamic"
},
"postal_code": null,
"scheme": "PIX",
"tip_or_convenience_fee": null,
"valid_tlv": true,
"warnings": []
},
"kind": "payment_emv",
"points": [
[
32,
32
],
[
423,
32
],
[
423.1,
423.7
],
[
32,
423
]
],
"text": "00020101021226580014br.gov.bcb.pix0136123e4567-e89b-12d3-a456-4266554400005204000053039865802BR5909LOJA TEST6008BRASILIA62070503***630465E2",
"text_truncated": false,
"type": "QR"
}
],
"count": 1,
"final_url": "https://tanod.dev/examples/qr-sample-pix.png",
"input": {
"animated": false,
"bytes": 808,
"format": "png",
"frames": 1,
"has_alpha": false,
"height": 456,
"width": 456
},
"notes": [],
"operation": "qr-read",
"source": {
"library": "OpenCV (QR, EAN, UPC) + Tanod scan-line reader (Code 128, Code 39)",
"license": "Apache-2.0",
"url": "https://opencv.org"
},
"source_url": "https://tanod.dev/examples/qr-sample-pix.png",
"untrusted_content": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"image_base64": {
"anyOf": [
{
"maxLength": 13333464,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The image as standard or url-safe base64 (at most 10 MB decoded; a data:image/...;base64, prefix is fine); or use url."
},
"parse_emv": {
"default": true,
"description": "Also return `emv`, the parsed fields and CRC check, for a QR whose text is an EMVCo payment payload (starts 000201: PIX, QR Ph, SGQR, PromptPay, DuitNow, ...). Default true.",
"type": "boolean"
},
"url": {
"anyOf": [
{
"maxLength": 2048,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Public http(s) URL of the image (at most 10 MB; private, internal and IP-literal hosts are refused); or use image_base64."
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"codes": {
"items": {
"properties": {
"bbox": {
"properties": {
"height": {
"type": "integer"
},
"left": {
"type": "integer"
},
"top": {
"type": "integer"
},
"width": {
"type": "integer"
}
},
"type": "object"
},
"emv": {
"properties": {
"additional_data": {
"type": [
"object",
"null"
]
},
"amount": {
"type": [
"string",
"null"
]
},
"amount_value": {
"type": [
"number",
"null"
]
},
"country_code": {
"type": [
"string",
"null"
]
},
"crc": {
"properties": {
"computed": {
"type": [
"string",
"null"
]
},
"declared": {
"type": [
"string",
"null"
]
},
"valid": {
"type": "boolean"
}
},
"type": "object"
},
"currency": {
"type": [
"object",
"null"
]
},
"merchant_account_information": {
"items": {
"type": "object"
},
"type": "array"
},
"merchant_category_code": {
"type": [
"string",
"null"
]
},
"merchant_city": {
"type": [
"string",
"null"
]
},
"merchant_name": {
"type": [
"string",
"null"
]
},
"payload_format_indicator": {
"type": [
"string",
"null"
]
},
"point_of_initiation": {
"type": [
"object",
"null"
]
},
"postal_code": {
"type": [
"string",
"null"
]
},
"scheme": {
"type": [
"string",
"null"
]
},
"valid_tlv": {
"type": "boolean"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"kind": {
"type": "string"
},
"orientation": {
"enum": [
"horizontal",
"vertical"
],
"type": "string"
},
"points": {
"items": {
"items": {
"type": "number"
},
"maxItems": 2,
"minItems": 2,
"type": "array"
},
"maxItems": 4,
"minItems": 4,
"type": "array"
},
"text": {
"type": "string"
},
"text_truncated": {
"type": "boolean"
},
"type": {
"enum": [
"QR",
"EAN-13",
"EAN-8",
"UPC-A",
"UPC-E",
"Code128",
"Code39"
],
"type": "string"
}
},
"required": [
"type",
"text",
"points",
"bbox"
],
"type": "object"
},
"type": "array"
},
"count": {
"type": "integer"
},
"final_url": {
"type": "string"
},
"input": {
"properties": {
"animated": {
"type": "boolean"
},
"bytes": {
"type": "integer"
},
"format": {
"type": "string"
},
"frames": {
"type": "integer"
},
"has_alpha": {
"type": "boolean"
},
"height": {
"type": "integer"
},
"width": {
"type": "integer"
}
},
"type": "object"
},
"notes": {
"items": {
"type": "string"
},
"type": "array"
},
"operation": {
"type": "string"
},
"source": {
"type": "object"
},
"source_url": {
"type": "string"
},
"untrusted_content": {
"type": "boolean"
}
},
"required": [
"operation",
"input",
"notes",
"count",
"codes",
"untrusted_content"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-10-12T03:10:47.032Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-12T03:10:46.374Z"
},
"resource": "https://tanod.dev/v1/image/qr-read",
"serviceName": "Tanod imagepeek",
"tags": [
"imagepeek",
"image",
"qr",
"read",
"image-resize"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "imagepeek (Tanod) QR and barcode reader: decoded text, type and position of every code in an image. Use when an image holds QR codes or barcodes whose decoded text, positions or payment fields are needed."
}What the leaf hashes
{"body":"fed331346cbb2ff5b46dfea3a2af8cb0c363acaa7d250a5ac3573a8b6ea65dd4","id":122282,"kind":"listing","method":"baseline/1","observed_us":1793025621377773,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/image/qr-read","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).
- 0x21d470063ee46b176f9ac59941b98655fff568121073a8d7aa1a7654c02fd565
- 0xddaf74a49200e0507d78e8525288836ec955cbb2437e14dfbab743eceef90e09
- 0xe9ba0f9e2f3a8b7c83b63b700ab9899e8822dc7b09babb50508f1b1413618dab
- 0xda4b86fef92681804f26bcaa976b66880dc785bb9e3fa1b1304ff2b386593a1d
- 0x4fdb2e140a9f5f4aa7b8dd481258c14efc1b47075353730b51e41c7acf8c4934
- 0xf238a4d669c915021108d45c50b903ce9c05c697a8ce939873abd6eb8d5e00ba
- 0xc866558fcadc0699fa2d43890a9b50d2560b6f131a95c885f46dd11a99b6d11d
- 0x6c5607a629a373e415c4f7f137caef38c18269ecab4a43d337b53f4859794b13
- 0xe60bf97619ac6c7eb964e44d8f98480ae58bba8d1a2bae4d1f737d2e628354eb
- 0x52a03554eda198dc4680d30e566c1eda71c25f02648bb3a67df331bf196cafc1
- 0x71f472bb5c514dca2395c7842916e5cae63a9c622d8bc8f84b07a986c5ba91a1
- 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
- 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae