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 T² = a³ for Earth (1 yr, 1 AU)
astronomy.kepler_third_law: T²=1.0000 vs a³=1.0000 (rel diff 0.0000); consistent=True matches claim
CONFIRMED F = G·M·m/r² ≈ 1.98 × 10²⁰ N (Earth–Moon)
astronomy.gravitational_force: F = G·m₁·m₂/r² = 1.9821e+20 N (matches claim 1.9821e+20)
gates
RED:PASS
content hash (the seal)
7036538f3a6188b5a1adb6c45d81d2fd4d0e4c8d3fa130558fcdaabd58b594bb
raw JSON ↗ · re-check: GET /seal?hash=7036538f3a6188b5…