← The evidence ledger
Evidence row 74961
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://evidence-verdict-production.up.railway.app/v1/evidence/verdict
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b1e95ad49b952ce3d35ba44f42a3e71ed3d99bfa02ef5ecc7191250e110244fa
- Leaf
- 0x554b9dc8b8b4063df8979df550a75d587fa8751233b294f49e842ce27aaf3ba4
What was observed
{
"endpoints": [
[
"x402",
"https://evidence-verdict-production.up.railway.app/v1/evidence/verdict"
]
],
"name": "NOB7E Evidence Verdict",
"owner_address": "0xeadeaf18f0adcc1e96ae00e5960d706447602566",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xeadeAF18F0AdCc1E96Ae00E5960D706447602566",
"scheme": "exact"
}
],
"description": "Evaluate a claim or question against one supplied HTML or PDF source and return anchored evidence.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"claim": "Company X reported $42 million in 2025 revenue.",
"source_url": "https://example.com/report.pdf"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"answer": "The source contains evidence that supports the submitted statement.",
"confidence": 0.97,
"contradictions": [],
"evidence": [
{
"location": {
"anchor": "pdf:page:17:text:3",
"kind": "pdf",
"page": 17,
"section": null,
"text_index": null
},
"text": "Revenue was $42 million in 2025."
}
],
"request_fingerprint": "1111111111111111111111111111111111111111111111111111111111111111",
"schema_version": "1.0",
"source": {
"canonical_url": "https://example.com/report.pdf",
"content_type": "application/pdf",
"final_url": "https://example.com/report.pdf",
"published_at": "2026-02-01",
"requested_url": "https://example.com/report.pdf",
"retrieved_at": "2026-10-07T12:00:00Z",
"source_fingerprint": "0000000000000000000000000000000000000000000000000000000000000000",
"title": "2025 Annual Report"
},
"verdict": "SUPPORTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"claim": {
"anyOf": [
{
"maxLength": 4000,
"minLength": 3,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Claim"
},
"question": {
"anyOf": [
{
"maxLength": 4000,
"minLength": 3,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Question"
},
"source_url": {
"format": "uri",
"minLength": 1,
"title": "Source Url",
"type": "string"
}
},
"required": [
"source_url"
],
"title": "VerdictRequest",
"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": {
"additionalProperties": false,
"properties": {
"answer": {
"title": "Answer",
"type": "string"
},
"confidence": {
"maximum": 1,
"minimum": 0,
"title": "Confidence",
"type": "number"
},
"contradictions": {
"items": {
"additionalProperties": false,
"properties": {
"location": {
"additionalProperties": false,
"properties": {
"anchor": {
"title": "Anchor",
"type": "string"
},
"kind": {
"enum": [
"pdf",
"html"
],
"title": "Kind",
"type": "string"
},
"page": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"title": "Page"
},
"section": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Section"
},
"text_index": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"title": "Text Index"
}
},
"required": [
"kind",
"anchor"
],
"title": "EvidenceLocation",
"type": "object"
},
"text": {
"title": "Text",
"type": "string"
}
},
"required": [
"text",
"location"
],
"title": "EvidenceExcerpt",
"type": "object"
},
"title": "Contradictions",
"type": "array"
},
"evidence": {
"items": {
"additionalProperties": false,
"properties": {
"location": {
"additionalProperties": false,
"properties": {
"anchor": {
"title": "Anchor",
"type": "string"
},
"kind": {
"enum": [
"pdf",
"html"
],
"title": "Kind",
"type": "string"
},
"page": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"title": "Page"
},
"section": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Section"
},
"text_index": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"title": "Text Index"
}
},
"required": [
"kind",
"anchor"
],
"title": "EvidenceLocation",
"type": "object"
},
"text": {
"title": "Text",
"type": "string"
}
},
"required": [
"text",
"location"
],
"title": "EvidenceExcerpt",
"type": "object"
},
"title": "Evidence",
"type": "array"
},
"request_fingerprint": {
"title": "Request Fingerprint",
"type": "string"
},
"schema_version": {
"const": "1.0",
"default": "1.0",
"title": "Schema Version",
"type": "string"
},
"source": {
"anyOf": [
{
"additionalProperties": false,
"properties": {
"canonical_url": {
"title": "Canonical Url",
"type": "string"
},
"content_type": {
"enum": [
"text/html",
"application/pdf"
],
"title": "Content Type",
"type": "string"
},
"final_url": {
"title": "Final Url",
"type": "string"
},
"published_at": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Published At"
},
"requested_url": {
"title": "Requested Url",
"type": "string"
},
"retrieved_at": {
"format": "date-time",
"title": "Retrieved At",
"type": "string"
},
"source_fingerprint": {
"title": "Source Fingerprint",
"type": "string"
},
"title": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Title"
}
},
"required": [
"requested_url",
"final_url",
"canonical_url",
"title",
"published_at",
"retrieved_at",
"content_type",
"source_fingerprint"
],
"title": "SourceMetadata",
"type": "object"
},
{
"type": "null"
}
]
},
"verdict": {
"enum": [
"SUPPORTED",
"CONTRADICTED",
"PARTIAL",
"NOT_FOUND",
"UNVERIFIABLE"
],
"title": "Verdict",
"type": "string"
}
},
"required": [
"verdict",
"confidence",
"answer",
"evidence",
"contradictions",
"source",
"request_fingerprint"
],
"title": "VerdictResponse",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T13:57:08.271Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-08T13:57:08.043Z"
},
"resource": "https://evidence-verdict-production.up.railway.app/v1/evidence/verdict",
"serviceName": "NOB7E Evidence Verdict",
"tags": [
"evidence",
"verification",
"research",
"pdf",
"html"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Evaluate a claim or question against one supplied HTML or PDF source and return anchored evidence."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae