Id Set Checker: use notes
Use the checker as a small planning demonstration. Paste one exact identifier per line; leading/trailing whitespace is trimmed, blank lines ignored, letter case and leading zeros preserved. Final shipped/rejected/retained/unprinted states are mutually exclusive in this simplified model. The tool compares supplied text only: it does not inspect physical labels, authenticate items, establish chain of custody or replace a production system. A clean result needs the independently agreed physical and procedural evidence too. Use approved secure processes for live data; the public demonstration has no upload or network logic. Valid fixture has 8 allocated identifiers; invalid fixture keeps all counts but repeats DEMO-0001 and omits DEMO-0002.
Field responsibilities
Compare complete agreed ID sets, investigate duplicates, missing, unexpected and cross-state IDs; connect accepted list to physical roll manifest.
Examples are hypothetical planning inputs. Blank observations and approvals are intentionally unknown, not zero or passed. The buyer records an evidence reference and the authorized decision only after the work occurs.