← The evidence ledger
Evidence row 1531959
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://instructional-decision-engine-x402.vercel.app/research/brief
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c6bfd5dceca5536901134208ff39a236e785ba30afc44e75c38dcbd4240e8809
- Leaf
- 0x23ed5a0b9dae25c60f0dace62ac7c3f85c66fc4db4aaa36db527d866c6cb70a4
What was observed
{
"endpoints": [
[
"x402",
"https://instructional-decision-engine-x402.vercel.app/research/brief"
]
],
"name": "NovaPath",
"owner_address": "0x6b62673ccbe35ff0dc68490c7ca576334e0d607e",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6B62673cCbe35ff0dc68490c7Ca576334e0D607e",
"scheme": "exact"
}
],
"description": "Turn a public-topic search into a concise, deterministic research brief with up to five numbered evidence statements, primary-source links, date range and verification questions. Every statement is grounded in a returned record; no LLM-generated claims or live-web assertion.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"limit": 3,
"query": "commercial renovation",
"vertical": "construction"
},
"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": {
"limit": {
"maximum": 5,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Public business or topical keywords only; 1–10 distinctive terms. No personal/contact data, URLs or instructions.",
"maxLength": 120,
"minLength": 3,
"type": "string"
},
"vertical": {
"enum": [
"all",
"fleet",
"device",
"recall",
"construction",
"healthcare"
],
"type": "string"
}
},
"required": [
"query",
"vertical",
"limit"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-31T00:57:53.085Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-31T00:57:52.902Z"
},
"resource": "https://instructional-decision-engine-x402.vercel.app/research/brief",
"serviceName": "NovaPath",
"tags": [
"research",
"public-data",
"evidence"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Turn a public-topic search into a concise, deterministic research brief with up to five numbered evidence statements, primary-source links, date range and verification questions. Every statement is grounded in a returned record; no LLM-generated claims or live-web assertion."
}What the leaf hashes
{"body":"c6bfd5dceca5536901134208ff39a236e785ba30afc44e75c38dcbd4240e8809","id":1531959,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473467562422,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/research/brief","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (246033 rows).
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- 0x4c7bf6d7d7c379b3c87447200f991359af0970fc33642e540cd6032a5a5b24f6
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- Day root
- 0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
- Chained
- 0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
- Published
- On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0