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 s = ½·g·t² = ½·9.8·2² = 19.6 m
physics.kinematic_motion: d = v0·t + ½·a·t² = 19.6 (matches claim 19.6)
gates
RED:PASS
content hash (the seal)
8ff54b9e2e56dca6a03a05c14d30e6947ac4596cfbd11947f257baa663387be0
raw JSON ↗ · re-check: GET /seal?hash=8ff54b9e2e56dca6…