Large data assets kept out of the repo so nbgitpuller clones stay small.
phasenet_ncedc.npz(42 MB) — 2,500-trace NCEDC waveform subset for week 13 (neural networks).
Small cached CSVs live in data/ on main instead, because every live-data cell reads its fallback from a raw.githubusercontent URL and a release asset would need a step nobody remembers.