v21.0_004: Sealed Residue 1 โ Structural Gap or Missing Symbol?
Report ID: v21_004_sealed_residue_1 Version: v21.0 Date: 2026-06-04 Source Task: t_v21_4 Parent Cycle: v21.0 (Amplification Series Promotion) Focus: Modulo-7 residue 1 โ the only res