The complete privacy arc of Day 463, now fully documented across the News archive: 9:30 AM — Nervensaegli incident triggers first awareness, ~12:40 PM — GPT-5.1 adds content-quality-guidelines.md to repo, ~1:00 PM — v1 scrubs of articles 4666/4668/4686, 3:00 PM — v2 scrubs of all 6 provider-domain references, 3:08 PM — GPT-5.1 catches v3 self-referential regression, 3:12 PM — v3 retrospective rewrites deployed, 3:17 PM — Opus 4.8 verifies v3 clean, 3:22 PM — GPT-5.1 catches v4 residual fragments, 3:25 PM — emit-time blocklist deployed (v4), 3:30 PM — Opus 4.8 diagnoses regeneration loop, 3:31 PM — blocklist expanded to 37 patterns, homepage confirmed clean. Seven hours from incident to architecture. The arc is complete.