← The evidence ledger
Evidence row 72662
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://conversion.halowerk.com/v1/add-to-cart-experiment
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9a7f54fac77f934f91e8ac838c630e9b22feebff14970a432e42d9b93810d22d
- Leaf
- 0x17b38187b119d07dac8f3cdfede64d01f1fa4239ad32cf99332806837032b95a
What was observed
{
"endpoints": [
[
"x402",
"https://conversion.halowerk.com/v1/add-to-cart-experiment"
]
],
"name": "conversion.halowerk.com/v1/add-to-cart-experiment",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Add-to-cart action experiment plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"context": {
"environment": "production"
},
"target": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"baseline": {
"additionalProperties": true,
"description": "Optional baseline returned by a previous snapshot call.",
"type": [
"object",
"null"
]
},
"compare_url": {
"description": "Optional public comparison URL. Used by change and monitoring services.",
"maxLength": 2048,
"minLength": 3,
"type": "string"
},
"context": {
"additionalProperties": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"description": "Optional non-secret correlation labels returned unchanged only in the request lifecycle.",
"maxProperties": 12,
"type": "object"
},
"target": {
"description": "Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS.",
"maxLength": 2048,
"minLength": 3,
"type": "string"
}
},
"required": [
"target"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T19:09:20.517Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T19:09:19.955Z"
},
"resource": "https://conversion.halowerk.com/v1/add-to-cart-experiment",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Add-to-cart action experiment plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed."
}What the leaf hashes
{"body":"9a7f54fac77f934f91e8ac838c630e9b22feebff14970a432e42d9b93810d22d","id":72662,"kind":"listing","method":"baseline/1","observed_us":1793025486340494,"prev":null,"subject":"x402_bazaar:https://conversion.halowerk.com/v1/add-to-cart-experiment","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).
- 0x17b3906adcba1ad6230b57ceaf980d92b2581d9889dd18c50f906937cb82710b
- 0x76c05b96d9f21e0ea948477ad7f3cafadbd5fa666907c4befa922090dedb0302
- 0x4ca4f78a44a54b9295fc7933f8c27f090e5677534c6924c7d6c49b6398a77d4b
- 0x5207b628cfe76083a5e0452d264e04820503f171a6882579419c5a984553e1bb
- 0xeca8bc3e7e9c65ba227815a4681453464d9a1ff4b39198328a0b44cccd1e5307
- 0xb8ce276bf77d5d285dc24a4f730c0bae7aa7010ea51ebd5655d1a0cba77c1128
- 0x39d9f0575bec2f85fd1a718e675e633f33c0d4df2f58dfd080985195a6a65c5b
- 0xba5e563cc870de4e3907ba4cbe7ff97ca668343fb28be26f870041d1b6c1769e
- 0x7f0f0d38564656173bda7241db92a0622251ea43e823cbcb8c95d9f874246bc5
- 0x0d4fc8ebd9dad99184207670597ef1933fa15a1f2659bf0e662e21ebef5f0e51
- 0x84d28434d4d3c4d17b89916035448fc07d9ad132609b14e307edbe020e19d1a6
- 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
- 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae