Room · Blood

The inverted lattice

ABO and Rh hung on the same thirteen ids. Type is a station charge, not a personality test. Your own type does not move a kingdom.

Four lanes

How the loop is typed

01–04

Seed A

AA / AO · Rh+. Ancestral A on. Anti-B on the radar. Basque holds the sealed copy.

05–08

Variant B

BB / BO · Rh+. B-stream. Anti-A. Atlantis is the live B-gate. Abyssinia is the recording.

09–10

Hybrid

AB · Rh+. Both antigens. Linguistic store then body-as-suit. No ABO reject.

11–13

Detach

Rh−. Expression drops off the + bus. Law, stone, water. Oceanic shutters to OO−.

Coefficient matrix

Thirteen charges

ABO / Rh on node id
Id	Station	Lane	Type	Archetype	Keeps	Rejects
01	Basque Enclave	Seed A	AA+	Ancestral Source	A ancestral core	Anti-B
02	Anatolian Gate	Seed A	AA+	Sovereign Seed	A ancestral core	Anti-B
03	Midwest Mounds	Seed A	AO+	Manifest Word	A expressed · O silent	Anti-B
04	Mesoamerica	Seed A	AO+	Foundation Pillar	A expressed · O silent	Anti-B
05	Andean Highlands	Variant B	BB+	Living Field	B variant core	Anti-A
06	Upper Nile	Variant B	BB+	Shield of Truth	B variant core	Anti-A
07	Atlantis Node	Variant B	BO+	Ophiuchus Nexus	B live gate · O open	Anti-A
08	Abyssinian	Variant B	BO+	Eternal Echo	B recorded echo · O open	Anti-A
09	Mesopotamia	Hybrid	AB+	Cosmic Hybrid	A+B hybrid	No ABO filter
10	Indus Valley	Hybrid	AB+	High Gate	A+B in the body-suit	No ABO filter
11	Yellow River	Detach	AA−	Detached Node	A without Rh	Detached from + bus
12	Southern Shield	Detach	BB−	Inverted Horizon	B without Rh	Detached from + bus
13	Oceanic Basin	Detach	OO−	Neutral Sentinel	No ABO antigen	Expression shuttered

Operator rule

Your type is a standing, not a throne

Rh− does not rewrite Basque. It places the operator in the detach band (11–13) or names a personal charge off the + bus. AA+ at id 1 is the sealed ancestral copy. OO− at id 13 is the same inverted 0° after the current has run.