Open Science Evidence Finder
Pricing
from $2.00 / 1,000 tool-reads
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Open Science Evidence Finder
Find, verify, deduplicate, and score open scientific metadata from OpenAlex, Crossref, arXiv, and Europe PMC for LLM source grounding.
Open Science Evidence Finder
Pricing
from $2.00 / 1,000 tool-reads
Find, verify, deduplicate, and score open scientific metadata from OpenAlex, Crossref, arXiv, and Europe PMC for LLM source grounding.
itemType
Required
Record category. Currently always work.
title
Required
Best available title.
normalizedTitle
Required
Lowercase normalized title for deduplication.
doi
Optional
Normalized lowercase DOI without URL prefix.
doiVerified
Optional
True when DOI mode matched this record.
ids
Required
Known source identifiers for the work.
publicationYear
Optional
Publication year when available.
publicationDate
Optional
Publication date in YYYY-MM-DD when available.
workType
Optional
Source-provided work type.
venue
Optional
Journal, conference, repository, or publisher metadata.
abstract
Optional
Short abstract text when returned by the source and allowed by input settings.
abstractSource
Optional
Source and handling method for the abstract.
abstractTruncated
Optional
Whether the abstract was shortened to abstractMaxChars.
openAccess
Optional
Open-access metadata and URL when known.
metrics
Optional
Citation and reference-count metadata where available.
topics
Optional
Topics or categories returned by source APIs.
keywords
Optional
Keywords or subjects returned by source APIs.
sourceCoverage
Required
Boolean flags showing which sources contributed metadata.
sourceRecords
Required
API and record URLs used to retrieve this item.
scores
Required
Deterministic metadata scores between 0 and 1.
warnings
Required
Warnings about missing fields, source issues, or copyright-sensitive abstract handling.
raw
Optional
Optional compact raw source record when includeRaw=true.
