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Color carries the subject
Ochre, sienna, and indigo cords name the storehouse, harvest, or levy before any tally is read.
Field logic for a hanging ledger
Ochre, sienna, and indigo cords name the storehouse, harvest, or levy before any tally is read.
Knots sit at measured drops, turning cord length into a decimal shelf for memory.
Twist, ply, and branch make edits physical, visible, and harder to separate from the record.
A trained reader can audit quiet columns without ink, stamps, beads, or loose sheets.