The day as a ring — night, dawn, morn, noon, dusk, eve. Proof-of-work text search: each candidate hashes the base “night” with an incrementing counter appended; the grind climbs successively longer prefix matches until the SHA-256 hash spells its target word. Every hash shown was actually found, across 924,203,587,018 attempts. Number 6 of the 12 Grinding tokens.