← The evidence ledger
Evidence row 2204694
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/image/math-to-latex
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cb34b84f90824c1b9d43df108e032cf0820bcb45858faab6bf718f66a16067ba
- Leaf
- 0xc4f432ea6ac9b9504be63b3fa19e9b2ba1ac6e9e530f95118906a3bf4afb01f1
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/image/math-to-latex"
]
],
"name": "Tanod imagepeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
},
{
"amount": "5000000000000000",
"asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
}
],
"description": "imagepeek (Tanod): recognize one equation image as LaTeX. Use when one cropped printed equation image needs LaTeX, not text OCR or a solution.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://tanod.dev/examples/math-equation.png"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"input": {
"format": "png",
"height": 65,
"width": 208
},
"latex": "x+y=z",
"operation": "math-to-latex",
"source": {
"license": "Apache-2.0",
"model": "PP-FormulaNet_plus-S"
},
"status": "recognized",
"truncated": false,
"untrusted_content": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"image_base64": {
"anyOf": [
{
"maxLength": 13333464,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "The image as standard or url-safe base64 (at most 10 MB decoded; a data:image/...;base64, prefix is fine); or use url."
},
"url": {
"anyOf": [
{
"maxLength": 2048,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Public http(s) URL of the image (at most 10 MB; private, internal and IP-literal hosts are refused); or use image_base64."
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"input": {
"type": "object"
},
"latex": {
"maxLength": 8192,
"type": "string"
},
"operation": {
"type": "string"
},
"source": {
"type": "object"
},
"status": {
"enum": [
"recognized"
],
"type": "string"
},
"truncated": {
"const": false
},
"untrusted_content": {
"const": true
}
},
"required": [
"latex",
"status",
"truncated",
"untrusted_content"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"additionalProperties": false,
"properties": {
"a": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"erc20ApprovalGasSponsoring": {
"info": {
"description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
"version": "1"
},
"schema": {
"properties": {
"amount": {
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"from": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"signedTransaction": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"signedTransaction",
"version"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"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": "2026-11-02T12:28:04.51Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T12:28:00.655Z"
},
"resource": "https://tanod.dev/v1/image/math-to-latex",
"serviceName": "Tanod imagepeek",
"tags": [
"imagepeek",
"image",
"math",
"to",
"latex"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "imagepeek (Tanod): recognize one equation image as LaTeX. Use when one cropped printed equation image needs LaTeX, not text OCR or a solution."
}What the leaf hashes
{"body":"cb34b84f90824c1b9d43df108e032cf0820bcb45858faab6bf718f66a16067ba","id":2204694,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646927885666,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/image/math-to-latex","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).
- 0xc4f4384cdfb4290094d06d8a81fa898c3dd6ca92abe40308d01d697b40aaff9e
- 0xac05efce8d56706065e1befde75b5aff6d3a0c69162c139f7c6cf96a2c9a720a
- 0x8806e385ecec3497aab7771c30ee3d6f13ee4a2de512c1c4518f80fb23049d7b
- 0x417d2228cb09d8bf2aee02439c6a2e3488ad0079c9dc44987d297bcd7284d876
- 0xb7da79be5beb92cd41dae310c1c323bf3747432108fd06ab26f59000a3b6eb12
- 0xb7bd278fe69e7591675c5028544cb52a870287a2c054cb9076c5c606a67e9c13
- 0xa707bb655b024877edb42f539e5696285ccab513b747f5dd987fe73d8e4c4d70
- 0x689a0044230f5ced390e367f6dd27042a4cf80ca27c237fee338b91bb0557e9a
- 0x69f639814036e1e900ea795eb52789702aebe3364a30371c57dae6e358e4046e
- 0xa1eaba33ee125b83f7069ea3197079e7ceac5af3d64e1393717e02135f8ef440
- 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
- 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
- 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
- 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af