> ## Documentation Index
> Fetch the complete documentation index at: https://docs.veritus.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve Paper by Corpusid

> Retrieve detailed information about a specific paper

Get detailed information about a specific paper using its corpus ID.

## Parameters

<ParamField path="corpusId" type="string" required>
  The corpus ID of the paper
</ParamField>

## Response

Returns a single paper object with complete details.

<ResponseField name="abstract" type="string">
  Paper abstract text (string or null)
</ResponseField>

<ResponseField name="authors" type="string">
  Comma-separated list of author names
</ResponseField>

<ResponseField name="doi" type="string">
  Digital Object Identifier (string or null)
</ResponseField>

<ResponseField name="downloadable" type="boolean">
  Whether the paper PDF is downloadable
</ResponseField>

<ResponseField name="engine" type="string">
  Search engine used (optional)
</ResponseField>

<ResponseField name="fieldsOfStudy" type="string[]">
  Array of field of study categories
</ResponseField>

<ResponseField name="id" type="string">
  Unique paper identifier
</ResponseField>

<ResponseField name="impactFactor" type="object">
  Object containing citation metrics

  <Expandable>
    <ResponseField name="citationCount" type="number">
      Total number of citations
    </ResponseField>

    <ResponseField name="influentialCitationCount" type="number">
      Number of influential citations
    </ResponseField>

    <ResponseField name="referenceCount" type="number">
      Number of references
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="isOpenAccess" type="boolean">
  Whether the paper is open access (optional)
</ResponseField>

<ResponseField name="isPrePrint" type="boolean">
  Whether the paper is a preprint (optional)
</ResponseField>

<ResponseField name="journalName" type="string">
  Name of the journal (string or null)
</ResponseField>

<ResponseField name="link" type="string">
  URL to the paper (optional)
</ResponseField>

<ResponseField name="pdfLink" type="string">
  URL to the PDF (optional)
</ResponseField>

<ResponseField name="publicationType" type="string">
  Type of publication (string or null)
</ResponseField>

<ResponseField name="publishedAt" type="string">
  Publication date (string or null)
</ResponseField>

<ResponseField name="score" type="number">
  Relevance score (number or null)
</ResponseField>

<ResponseField name="semanticLink" type="string">
  Link to Semantic Scholar page (optional)
</ResponseField>

<ResponseField name="title" type="string">
  Paper title
</ResponseField>

<ResponseField name="titleLink" type="string">
  Link to paper title page (optional)
</ResponseField>

<ResponseField name="tldr" type="string">
  TLDR summary of the paper (string or null)
</ResponseField>

<ResponseField name="v_country" type="string">
  Country of publication venue (string or null)
</ResponseField>

<ResponseField name="v_journal_name" type="string">
  Journal name from venue data (string or null)
</ResponseField>

<ResponseField name="v_publisher" type="string">
  Publisher name (string or null)
</ResponseField>

<ResponseField name="v_quartile_ranking" type="string">
  Quartile ranking (Q1, Q2, Q3, Q4, or null)
</ResponseField>

<ResponseField name="year" type="number">
  Publication year (number or null)
</ResponseField>

## Example

Use a corpus ID from a previous search result to retrieve full paper details.