The receipt
✓ HOLDS
A permanent, tamper-evident record of a verification. The content hash IS the proof — re-fetch it and the bytes must match, or it is not this record.
Worked trail
CONFIRMED 0-1 knapsack (cap 5) → optimal value 7
operations_research.knapsack_01: optimal_value=7.0 (matches claim)
gates
RED:PASS
content hash (the seal)
146ec914dad0d44e177cd894b09742163848ac2508926d7b9d0a8d10b588c909
raw JSON ↗ · re-check: GET /seal?hash=146ec914dad0d44e…