← The evidence ledger
Evidence row 69770
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/v1/barcode-generate
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 41d3d4268dc3246372c0a5a5d9ecf0161d6658ce8fe397561c7547ac279321e4
- Leaf
- 0xc383e796e29c3054f67483941f4c0ae082393b942fa16808fcac8c23d23e560b
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/v1/barcode-generate"
]
],
"name": "Barcode generator | Vextorium",
"owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"assets": [
{
"address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:10",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"assets": [
{
"address": "0x3600000000000000000000000000000000000000",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "0.003",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"areFeesSponsored": false,
"invoiceId": "79D8830D15C0462B9E9C22B0CF68AF40",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
},
{
"amount": "2310",
"asset": "XRP",
"extra": {
"areFeesSponsored": false,
"invoiceId": "DACA05A58F5F4402AA7240FBAE7FF787",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
"scheme": "exact"
}
],
"description": "Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"code": "841007647234",
"type": "ean13"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"base64": "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHN2ZwogIFBVQkxJQyAnLS8vVzNDLy9EVEQgU1ZHIDEuMS8vRU4nCiAgJ2h0dHA6Ly93d3cudzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCc+CjxzdmcgdmVyc2lvbj0iMS4xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0NC4zNTBtbSIgaGVpZ2h0PSIyMy43…",
"bytes": 3350,
"data_uri": "data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHN2ZwogIFBVQkxJQyAnLS8vVzNDLy9EVEQgU1ZHIDEuMS8vRU4nCiAgJ2h0dHA6Ly93d3cudzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCc+CjxzdmcgdmVyc2lvbj0iMS4xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0NC…",
"format": "svg",
"full_code": "8410076472342",
"type": "ean13"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"code": {
"type": "string"
},
"type": {
"description": "ean13, ean8, upca, isbn13, code128, code39...",
"type": "string"
},
"visible_text": {
"type": "boolean"
}
},
"required": [
"code"
]
},
"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": {
"base64": {
"type": [
"string",
"null"
]
},
"bytes": {
"type": [
"number",
"null"
]
},
"data_uri": {
"type": [
"string",
"null"
]
},
"format": {
"type": [
"string",
"null"
]
},
"full_code": {
"type": [
"string",
"null"
]
},
"type": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T17:47:50.248Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-20T17:47:49.722Z"
},
"resource": "https://api.vextorium.com/v1/barcode-generate",
"serviceName": "Barcode generator | Vextorium",
"tags": [
"barcode",
"ean",
"labels",
"ecommerce",
"generator"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing."
}What the leaf hashes
{"body":"41d3d4268dc3246372c0a5a5d9ecf0161d6658ce8fe397561c7547ac279321e4","id":69770,"kind":"listing","method":"baseline/1","observed_us":1793025478926489,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/barcode-generate","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).
- 0xc3839b05e6c7359c07e57639ea6420884e9eab0bc3a34f02d3904ec914dd0b37
- 0xcd38683d75d6e583ea2d3bbc9ed7a8fc3ae788b35617ad1da7ce0c112032db3f
- 0x1f8295efa475b5ff7ecdd522412395033aff31269ada1303ee2f8df1716b1cb8
- 0xdf9ae3fbd7ecbb6b2e755f0658884598f0f6757f6c8476cd6fddf239769f112c
- 0xabacee70ac2ea1ee97e28c71603a651d41288faccbe2036489fd05abed5169dc
- 0x7da71e95e27f365a83271a1ba6bebbd769c703d2dd73667f00477ced1c7b4e9d
- 0x0abf9f30ce4b774d5efc00524b866081a5d44aa9f544bf73d9d5bbea4de7ccf1
- 0xfb154faff1a899a2701faf7243883034bb39d53ea9c7672cf8b47dbb399fc330
- 0x1b62bc4bea6157bc01a2a9ae5fc2c21cb9b812da0677cd738be6f2d46b6d95d1
- 0xa56ccac8e5b8ffc81639f6fab8bcfeedbdbd26e42c2be18a450206dc53044b78
- 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
- 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
- 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae