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Dry Stratum Rehearsal Form (MS Annex 7)
Era: mirror-springTech tier: 4
Mirror Spring harbormasters use Annex 7 to rehearse buried-tier failures without live cargo—storm glass, orrery logs, and binding sigils must agree before a chalked keel may clear fiction.
Purpose
Annex 7 governs dry stratum rehearsals: exercises in which no ley-ash, no living freight, and no unpaid sympathy cross a buried tier. The form exists because Veilspire’s ledgers treat rehearsal and catastrophe alike until three independent instruments disagree.
Required witnesses
- Storm glass tuned to yesterday’s weather (not tomorrow’s hope).
- Clockwork orrery log stamped within one tide of the drill.
- Binding sigil panel read aloud by a clerk who did not write the original seal.
If any witness flatlines, the drill halts. Fictive hulls remain chalked.
Margin notes (Glass Consensus)
Symposium-trained auditors may observe but may not seat participants before confession. Lantern height and gauge-card frost are recorded only to prove margin sufficiency, not to perform it.
Syndicate line
Iron Syndicate tags on drill walls are treated as bait until disproven. Auditors walk tiers with brass clickers; runners who break cadence are filed as weather until a charge matures.
Sign-off
Harbor lockstep review receives the completed Annex within six bells of a declared dry stratum. Stratum meridian alignment is noted but not argued on the form—argument belongs to the tier, not the footer.
Archived after the windless morning rehearsal recorded as the Stratum Contingency Drill.