Landmarks first
The overlay is pinned to points that do not move — collar centre, shoulder seams, numeral edges. Gold pins on the demo mark them.
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Source Map · Explainer
A Source Map is the intact parent garment, photographed before the cut under a grid locked to its own landmarks. Every child piece is placed on that grid, so anyone holding a Relic ID can see exactly which square they bought.
Demo parent
A protocol demo on a generic #12 navy jersey. Not a player authentication. Click a zone to see the child Relic ID that attaches to that cut.
Zone C4 — right chest body panel, above numeral.
SW-DEMO-TB12-2007-SB-042Demonstration only. No league hologram, no photo-match, no claim of game use.
The grid protocol
A crop, a re-shoot, or a resized listing image cannot move a zone. The grid is pinned to physical landmarks on the parent, so a coordinate means the same piece of cloth in every image of every record.
The overlay is pinned to points that do not move — collar centre, shoulder seams, numeral edges. Gold pins on the demo mark them.
The grid is fixed before the cut plan is drawn. Zones are named on a grid that already exists, never fitted afterwards.
Columns are letters left to right as photographed; rows are numbers top to bottom. C4 is one cell; E5–G7 is a block.
Each face of the parent — front, back, interior, tags — is captured under its own locked grid with a colour card and scale in frame.
Zones
A zone is the area of the parent a child piece will come from — a body panel, numeral, nameplate letter, patch, logo, sleeve stripe. Premium zones are disclosed in the cut plan before the blade touches fabric. No surprise logoman harvest.
Population is part of the map: the parent record lists how many children it produced and which zones were cut. See the demo parent’s population.
ID grade
Placing a piece is a claim, so it has its own evidence bar. If two trained operators cannot independently place a child piece on the parent photo, SourceWorn does not issue a location-grade ID.
Two trained operators independently placed the child piece on the parent photo within tolerance.
Cut from this garment, zone uncertain. We say so on the record.
ID grade describes where the cloth sat. It says nothing about game use — that is the job of the classification standard.
Bring an intact, documented parent before it is cut. We capture, lock the grid, publish the cut plan, and return every child with an ID.