12 captures, 2026-06-14 to 2026-10-14. Surfaces: Google AI Overview 9, ChatGPT 1, Bing Copilot 1. Each row: the capture's headline, its date, surface and section, the issued query exactly as typed, and its first finding.
«what is the pid erosion observatory?» — THE PAGE HELD. The four areas and the four forms of erosion are the page's (DataCite, OpenAlex, Zenodo deletion records, dated captures).
2026-10-14 · Google AI Overview · Platform Erosion
«what is the pid erosion observatory?» — THE INSTRUMENT AT ITS GRAIN. Dated captures, the curls published, removal waves by topic: the page's own method.
2026-10-14 · Google AI Overview · Platform Erosion
«persistent identifier erosion observatory» — ONE INSTRUMENT, BOTH NAMES. 'The Platform Erosion Observatory (also known as the PID Erosion Observatory)'; at the 'what is' string the same day the two were split.