Paper Integrity Record · LEDGER

Probable Detection of a Cooler Gas Component in the Perseus Cluster with XRISM

As of 21 May 2026, Pith completed 2 of 2 listed checks against arXiv:2604.22975. The completed checks produced 1 public finding within their stated scope.

This is a record of named checks, not a clean-status claim or a paper verdict.

pith.integrity.v1
2604.22975 v1

Coverage vector

completed 2 of 2 listed checks

Counted as completed checks in the claim sentence numerator.

Listed checks

ai_meta_artifact

completed

v1.0.0, observed 2026-05-21 09:42:21.544185+00:00

Scope: Paper body text scanned for literal AI-assistant artifacts.
Completed surface: Checked 1 reference.

doi_compliance

completed

v1.0.0, observed 2026-05-19 23:35:20.711339+00:00

Scope: DOI and arXiv identifiers listed in the bibliography checked against named registries.
Completed surface: Checked 35 references. Recorded 1 finding from this run.

Observations

critical doi_compliance · unresolvable_identifier

Identifier '10.1007/978-3-540-88055-434' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

ref #19 · 2026-05-19 23:35:20.711339+00:00

Finding detail Try DOI

Methods and limits

Each listed check names the surface it examined. A skipped, failed, partial, unavailable, not collected, not requested, or withheld check says nothing about what a completed check would have returned.

Only checks with status completed enter the claim sentence numerator.
Findings appear only from completed checks and only within the scope printed for that check.
Severity labels describe one observation row. They do not roll up into a paper judgment.