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 haversine(0,0 → 0,1°) ≈ 111.19 km
geography.haversine_distance: haversine(0.0,0.0 → 0.0,1.0) = 111.19 km (matches claim 111.19492664455873)
gates
RED:PASS
content hash (the seal)
130e2eba76664f1d288b31f139a31cf6966911c993e6fc5b4c57e08cebda4b28
raw JSON ↗ · re-check: GET /seal?hash=130e2eba76664f1d…