University AI Policy Tracker

Registros abiertos y basados en evidencia sobre politicas universitarias de IA.

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Change log

Leiden University

Release-to-release tracker diff history with separate policy-text, newly-extracted claim, evidence, and source snapshot categories.

Review: Agent reviewedLast checkedMay 23, 2026Last changedMay 23, 2026Claims6Sources5Latest releasepublic-release-20260523-002Release records1
University pagePublic JSONMonthly reportUniversity index

Change summary

Current public record freshness and review state.

Leiden University currently has 6 source-backed claim records and 5 official source attributions. Latest tracked changed date: May 23, 2026. Latest tracker diff: 0 comparable policy-text changes, 2 newly extracted claims, 0 source snapshot changes.

This page combines all public release diffs for Leiden University. Individual release snapshots remain available from their release-specific URLs.

This tracker is not legal advice, not academic integrity advice, and not an official university statement unless a linked source is the university's own official page.

Newly extracted claims are tracker additions and are not necessarily newly published by the university. Source snapshot changes show hash changes for the same source URL and are not by themselves policy changes.

Diff categories

Semantic classification for this release diff.

Policy text0Newly extracted2Evidence0Source snapshots0Source text0Source added0Source removed0

Combined release diff

Unified tracker diff generated from all public release snapshots for this university.

Leiden University combined release diff

Comparing public-release-20260523-001 to public-release-20260523-002.

+6-0
11 # Leiden University AI policy diff
22 ## Newly extracted tracker claim
33 This claim was newly extracted or newly promoted in the tracker release. It is not necessarily newly published by the university.
4+ai_tool_treatment: Leiden University states that ChatGPT is not supported because data security and privacy are not guaranteed.
5+Evidence (nl, fab97718562e): ChatGPT wordt niet ondersteund door Universiteit Leiden. De veiligheid van je gegevens en je privacy is niet gegarandeerd.
6+Tracker checked at: 2026-05-23T18:20:00.000Z
47 ## Newly extracted tracker claim
58 This claim was newly extracted or newly promoted in the tracker release. It is not necessarily newly published by the university.
9+privacy: Leiden University tells staff to check confidentiality labels before using AI with documents.
10+Evidence (nl, fab97718562e): Check dan altijd het vertrouwelijkheidslabel wat er automatisch aan is gekoppeld.
11+Tracker checked at: 2026-05-23T18:20:00.000Z

Release history

1 public release diff

public-release-20260523-002

Compared with public-release-20260523-001.

Policy text0Newly extracted2Source snapshots0Source text0
Release diffDiff JSON

Leiden University public-release-20260523-002 diff

Comparing public-release-20260523-001 to public-release-20260523-002.

+6-0
11 # Leiden University AI policy diff
22 ## Newly extracted tracker claim
33 This claim was newly extracted or newly promoted in the tracker release. It is not necessarily newly published by the university.
4+ai_tool_treatment: Leiden University states that ChatGPT is not supported because data security and privacy are not guaranteed.
5+Evidence (nl, fab97718562e): ChatGPT wordt niet ondersteund door Universiteit Leiden. De veiligheid van je gegevens en je privacy is niet gegarandeerd.
6+Tracker checked at: 2026-05-23T18:20:00.000Z
47 ## Newly extracted tracker claim
58 This claim was newly extracted or newly promoted in the tracker release. It is not necessarily newly published by the university.
9+privacy: Leiden University tells staff to check confidentiality labels before using AI with documents.
10+Evidence (nl, fab97718562e): Check dan altijd het vertrouwelijkheidslabel wat er automatisch aan is gekoppeld.
11+Tracker checked at: 2026-05-23T18:20:00.000Z

Claim changes

6 claim records

ai_tool_treatment

Leiden University states that ChatGPT is not supported because data security and privacy are not guaranteed.

Review: Agent reviewedConfidence90%Evidence1Languagesnl

privacy

Leiden University tells staff to check confidentiality labels before using AI with documents.

Review: Agent reviewedConfidence90%Evidence1Languagesnl

research

Leiden Law School's research guidance says its researchers are responsible for correct genAI use, must review genAI-generated output, and must use genAI responsibly and transparently.

Review: Agent reviewedConfidence90%Evidence1Languagesen

privacy

Leiden University's Dutch staff guidance says staff should use only AI tools marked green in the university toolpicker, should not process personal data or confidential information with AI tools, and should verify AI output.

Review: Agent reviewedConfidence91%Evidence1Languagesnl

academic_integrity

Leiden University's assessment guidance describes a five-level scale for AI integration in assessments, ranging from no AI to AI task completion with human evaluation.

Review: Agent reviewedConfidence88%Evidence1Languagesen

teaching

Leiden University's general AI in education page says the university offers a learning environment where AI may be used to support education when lecturers and students use tools responsibly.

Review: Agent reviewedConfidence86%Evidence1Languagesen

Source snapshots

5 source attributions