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Muse Spark Safety & Preparedness Report

Meta's safety and preparedness report for Muse Spark. The earliest located expression, Meta's own copy, prints April 14, 2026; the copy read, on arXiv (2606.12429v1), prints June 12, 2026.

Issued by
Meta
Authors credited
No authorship claim recorded yet. The source records list Meta.
Dates

Meta's own copy in an Internet Archive capture of 2026-04-14, read by the cross-family check of 2026-11-04 and recorded as a source, is a 158-page expression printing April 14, 2026. The copy read here is arXiv 2606.12429v1 (160 pages), which prints 'Date: June 12, 2026' without a kind; arXiv's margin stamp reads 14 May 2026. Meta's live copy prints May 26, 2026. The expressions differ in bytes and text.

Exact source
  • Muse Spark Safety & Preparedness Report (arXiv 2606.12429v1) Meta · publication date unknown · Retrieved for the candidate pack on 2026-11-04 (SHA-256 977d071052e3f5dc267e1022671babf6a7967111f9bf2ad84e88b6419b405e61) directly from the publisher’s host. Retrieved again on 2026-11-03 with the same SHA-256. Meta's own address for the report answered HTTP 400 to the candidate pack, so the report was read on arXiv. The copy read prints 'Date: June 12, 2026'; arXiv's margin stamp on its first page reads 14 May 2026, the submission date.
  • Muse Spark Safety & Preparedness Report (Meta's copy, April 14, 2026) Meta · published 2026-04-14 · Meta's own copy of the report, the earliest located expression: 158 pages, printing April 14, 2026. The live copy at the same address, also retrieved by the cross-family check, prints May 26, 2026. The arXiv copy read for the cells is a later, distinct expression. Retrieved by the cross-family check of 2026-11-04 from an Internet Archive capture of 2026-04-14 (SHA-256 c0ff3f797cf1d80f5e54a40019546eaf849545673d4563c18d755b7f013a5c4f); not read for quotation in the candidate pack, and no passage is quoted from it.Archived copy, captured 2026-04-14. Captured on the recorded publication date. An archive copy shows only what the archive retrieved on 2026-04-14. It does not prove what the page said earlier, and it can differ from the copy checked on 2026-11-04.

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Versions

meta-muse-spark-safety-preparedness-report: 1 recorded version, oldest first, published by Meta. A version is shown as replacing another only where a record says so. Date order alone never implies it.

  1. 2026-06-12 · revisedEarliest located expression printing April 14, 2026; the expression read prints June 12, 2026 (this version)

This version

    Provisions in this version · 15 quoted · 1 not found

    A limited selection of quoted provisions: what this edition says about thresholds, required actions, who decides and exceptions, and other statements of the text. It is not a full summary and says nothing about implementation. A “not found” record states which part of the edition was inspected. It is not a claim that the text was deleted.

    Earliest version recorded here; no replacement is recorded.

    Issue and authorship records

    Documentary relations

    Each relation is listed separately. Citing, crediting and reporting the use of a method are different acts, and none of them shows agreement or influence by itself.

    Cites · 1

    Explicit references in this document. Citation is neither agreement nor influence.

    Not recorded for this document: cited by · explicitly credits · reports using a method from · method reported as used by · applies parts of · parts applied by · discusses · reports evaluation of. A missing record does not show that the relation does not exist.