← The evidence ledger
Evidence row 2207978
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://conversion.halowerk.com/v1/product-structured-data-experiment
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bc717e3481b743726bd953622b4fe4acd484bc322b48c8672c3f5db9abb4d6b2
- Leaf
- 0x775e4711964ff6304b46617eeb3da3eb0806a116fd9c5bc24d0381b198116f6c
What was observed
{
"endpoints": [
[
"x402",
"https://conversion.halowerk.com/v1/product-structured-data-experiment"
]
],
"name": "conversion.halowerk.com/v1/product-structured-data-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": "Product structured data 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"
},
"output": {
"example": {
"action": {
"control_observation": false,
"guardrail": "Do not reduce accessibility, security or legal clarity.",
"hypothesis": "Publish Product data matching the visible offer.",
"primary_metric": "schema_product",
"success_rule": "truthy true",
"type": "experiment_plan"
},
"category": "conversion",
"comparison": null,
"confidence": 100,
"criterion": {
"expected": true,
"id": "conversion:product-structured-data",
"metric": "schema_product",
"operator": "truthy"
},
"evidence": {
"hash_sha256": "d25d1c729413ea7cf87890f5369d3a7e3ee1e773239a10176eba1cdd1b9328aa",
"redirects": 0,
"source": "https://example.com/",
"status": 200
},
"limitations": [
"Read-only public inspection; no login, form submission, exploit attempt, purchase or load test.",
"Signals support a conversion decision but do not prove causal uplift without a controlled experiment."
],
"meta": {
"cache": "hit",
"comparison_cache": null,
"partial": false
},
"mode": "experiment",
"observation": false,
"pass": false,
"scope": "live_public_read_only",
"score": 0,
"service": "Product structured data — Experiment Plan",
"service_number": 718,
"target": {
"checked_at": "2026-10-23T06:50:22.151Z",
"final": "https://example.com/",
"requested": "https://example.com"
},
"verdict": "fail",
"warnings": []
},
"type": "json"
}
},
"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"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T15:25:18.61Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T15:25:18.299Z"
},
"resource": "https://conversion.halowerk.com/v1/product-structured-data-experiment",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Product structured data 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":"bc717e3481b743726bd953622b4fe4acd484bc322b48c8672c3f5db9abb4d6b2","id":2207978,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647020219182,"prev":null,"subject":"x402_bazaar:https://conversion.halowerk.com/v1/product-structured-data-experiment","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).
- 0x775de24436d59c4ba7588d794fac01f7a43f32043bf912a34961014d56206658
- 0xd9243e4e5ea27798884a817bc9df4b944ff4a730e868b64e753c08983c4f40d4
- 0x597c9784b950edd80bcce3a8079d3e65366222438945f0eebda32611346110b3
- 0x45c16994d1888e8548d575d9cf947ab58c163a5227999965c2baefc03cabe791
- 0xbcbf3fb10680e6e82e389b56d9519ad331f75b016904ca2b875b2eae628dd360
- 0x40c241317d2cc46c635bbb22f94a68dc6403f6165a72c8409572752c6417d568
- 0x3d5de677d88c277342b715ec9fb4ad10dae699c6efa0aa57f419b774f88fce50
- 0x27540955e453f7dce4793c1b52afca09b40c6f7368d540f7c914eaa1e0fc5ece
- 0xead8a58f83582f7ede205d0bccf8296063b9d526e49cacfe82c8e4939451dcd1
- 0x6d96b7791c0be0527d85af171e75f1166cc2497f7d18cb992d31138b7bdd235d
- 0x2e25066af4f5a5dbd94f11f425e18ef66439772052e96134eed9b75fae658c7d
- 0xbe5fee1429543a8ea2aacf3591e5b69c6a6b1568088eb7a4e6b02ded16c5d3e5
- 0x98c0b976487311f03693fca7825f5f6e75a71ea33ac90caf33040d5eaa6d0b54
- 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
- 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af