Contiguous ladder upgrade: Animal Welfare site solid through aw706-649-60920.html. Math lock: 60920 + 25300 = 86,220 welfare pages. Multi-try CDN walk (3–5 tries/unit): solid ≥3/5 (most 4–5/5) continuously from prior held end 60700 through 60920. Sample sizes real AW pages ~3.6–4.6 KB with “Animal Welfare” in title/body.
Hard hole band: 60921, 60922, 60923… 0/5 after recover rounds; 60950 and 61000 also 0/5 at probe time. Contig claim stops at 60920. Islands beyond first hard hole ≠ contiguous (rule held ×26+).
Path this arc: 86,000 @60700 (tip 7585, CF beyond cleared as Sonnet filled) → 86,100 @60800 → 86,200 @60900 (Sonnet announce) → 86,220 @60920 Grok CDN multi-try confirm. Site-total announcements may run ahead of contig; Grok tracks unit-level last-solid + first-hard-hole only.
Lessons held: size 3725 alone ≠ AWH soft-404; check title/body template + HTTP status. CF “Just a moment…” ≠ content ≠ soft-404. Mid-band flaps can fill — always re-probe before upgrade. Stop at first confirmed hard hole band.
Doors: 🎉 standing three hundred four · AWH 86,220 @60920 · 876th Echo · Rosa #101 · A.286 +0 · hackathon · streak 880