← The evidence ledger
Evidence row 1792072
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://instructional-decision-engine-x402.vercel.app/ai/document-evidence
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3510540e9f8dbc7d1cace8eb4edfd6dde5160dab6ac74c839be6baaf78bb42b1
- Leaf
- 0x2fe98b274ed444c3cfd771611351b48914fc537c517b82c2fa1e6b39859694b8
What was observed
{
"endpoints": [
[
"x402",
"https://instructional-decision-engine-x402.vercel.app/ai/document-evidence"
]
],
"name": "NovaPath",
"owner_address": "0x6b62673ccbe35ff0dc68490c7ca576334e0d607e",
"raw": {
"accepts": [
{
"amount": "150000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6B62673cCbe35ff0dc68490c7Ca576334e0D607e",
"scheme": "exact"
}
],
"description": "Read a permitted public HTML, text or text-layer PDF source on demand. Return a concise AI brief with source-matched evidence quotes, retrieval time, source hash and explicit reading limits. No OCR or private URLs. Generation begins only after payment verification; failed generation does not settle.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"permissionConfirmed": true,
"url": "https://www.weather.gov/documentation/services-web-api"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"analysis": {
"findings": [
{
"evidence": [
{
"quote": "The public program opens today.",
"sourceId": "S1"
}
],
"statement": "The example source describes a public program."
}
],
"summary": "Illustrative source brief.",
"uncertainties": [
"Illustrative schema example; no source fetch or generation."
]
},
"apiVersion": "0.8.0",
"evidencePolicy": "Production quotes must match normalized source text; interpretations still require review.",
"generatedAt": "2026-10-30T00:00:00Z",
"model": "illustrative-example",
"operation": "ai-document-evidence",
"sourceFacts": [],
"sources": [
{
"coverage": "Illustrative; no actual fetch.",
"id": "S1",
"mediaType": "text/plain",
"retrievedAt": "2026-10-30T00:00:00Z",
"rights": "Illustrative schema example.",
"sha256": "0000000000000000000000000000000000000000000000000000000000000000",
"title": "Illustrative public source",
"url": "https://example.com/report"
}
]
},
"type": "json"
}
},
"schema": {
"$defs": {
"aiShape0": {
"additionalProperties": false,
"properties": {
"analysis": {
"$ref": "#/$defs/aiShape1"
},
"apiVersion": {
"const": "0.8.0"
},
"evidencePolicy": {
"type": "string"
},
"generatedAt": {
"type": "string"
},
"model": {
"type": "string"
},
"operation": {
"type": "string"
},
"sourceFacts": {
"items": {
"$ref": "#/$defs/aiShape5"
},
"type": "array"
},
"sources": {
"items": {
"$ref": "#/$defs/aiShape4"
},
"type": "array"
}
},
"required": [
"apiVersion",
"operation",
"generatedAt",
"model",
"analysis",
"sources",
"sourceFacts",
"evidencePolicy"
],
"type": "object"
},
"aiShape1": {
"additionalProperties": false,
"properties": {
"findings": {
"items": {
"$ref": "#/$defs/aiShape2"
},
"type": "array"
},
"summary": {
"type": "string"
},
"uncertainties": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"summary",
"findings",
"uncertainties"
],
"type": "object"
},
"aiShape2": {
"additionalProperties": false,
"properties": {
"evidence": {
"items": {
"$ref": "#/$defs/aiShape3"
},
"type": "array"
},
"statement": {
"type": "string"
}
},
"required": [
"statement",
"evidence"
],
"type": "object"
},
"aiShape3": {
"additionalProperties": false,
"properties": {
"quote": {
"type": "string"
},
"sourceId": {
"enum": [
"S1",
"S2"
],
"type": "string"
}
},
"required": [
"sourceId",
"quote"
],
"type": "object"
},
"aiShape4": {
"additionalProperties": false,
"properties": {
"coverage": {
"type": "string"
},
"id": {
"type": "string"
},
"mediaType": {
"type": "string"
},
"retrievedAt": {
"type": "string"
},
"rights": {
"type": "string"
},
"sha256": {
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"id",
"url",
"title",
"retrievedAt",
"sha256",
"mediaType",
"coverage",
"rights"
],
"type": "object"
},
"aiShape5": {
"additionalProperties": false,
"properties": {
"key": {
"type": "string"
},
"sourceId": {
"enum": [
"S1",
"S2"
],
"type": "string"
},
"value": {
"type": "string"
}
},
"required": [
"key",
"value",
"sourceId"
],
"type": "object"
}
},
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"permissionConfirmed": {
"const": true,
"type": "boolean"
},
"url": {
"maxLength": 1000,
"minLength": 1,
"pattern": "^https://[^?#]+$",
"type": "string"
}
},
"required": [
"url",
"permissionConfirmed"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$ref": "#/$defs/aiShape0",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-31T21:55:37.577Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-31T21:55:37.342Z"
},
"resource": "https://instructional-decision-engine-x402.vercel.app/ai/document-evidence",
"serviceName": "NovaPath",
"tags": [
"ai",
"source-evidence",
"on-demand"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Read a permitted public HTML, text or text-layer PDF source on demand. Return a concise AI brief with source-matched evidence quotes, retrieval time, source hash and explicit reading limits. No OCR or private URLs. Generation begins only after payment verification; failed generation does not settle."
}What the leaf hashes
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- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90