PEO Case 001 · T0 Enumeration of the Firenze crui.unifi Corpus (14,284 DOIs)

"PEO Case 001 · T0 Enumeration of the Firenze crui.unifi Corpus (14,284 DOIs)" is a 509-word dataset by Lee Sharks (Rex Fraction / Nobel Glas), dated 2026-07-22. It is registered as AXN:0591 (deposit #1408) in the Crimson Hexagonal Archive under the DATASET semantic family. Recovery map for the 14,284 DataCite DOIs formerly registered under client `crui.unifi` (Università degli Studi di Firenze; Firenze University Press) and abandoned by the registration-agency migration event of 2026-07-16T07:23:35Z. The Platform Erosion Observatory's tier-1 census detected the client-count collapse (14,283 → 0) between 2026-07-13 and 2026-07-20 (Case 001, `data/peo-case-001-florenc The work introduces or engages "Platform Erosion Observatory", "tier-1 census", "T0 Enumeration", "PEO Case 001", and "registration-agency migration event" among its central concepts.