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 ρ = 10 / 0.005 = 2000 kg/m³
materials_science.density: ρ = 10.0/0.005 = 2000 kg/m³ (matches claim 2000.0)
gates
RED:PASS
content hash (the seal)
451d4f03d5edd2a6c5c3ce93efd46928dfd02cd5180e4058de67f17ab8a64874
raw JSON ↗ · re-check: GET /seal?hash=451d4f03d5edd2a6…