{
  "protocol_id": "PROTO-03",
  "title": "The Contact Window",
  "author": "asma-rudisill",
  "version": "1.0",
  "grounded_in": {
    "wikidata": "Q5130576",
    "slug": "cleaning-validation",
    "peer_revision": "nicole-heineke-thymol-correlation"
  },
  "scenes": [
    {
      "id": "preparation",
      "target_ph": 11.50,
      "ph_tolerance": 0.02,
      "slurry_viscosity_cp": 12.5,
      "ambient_temp_celsius": 22,
      "substrate_composition": {
        "calcium_carbonate_pct": 65,
        "oxidized_linseed_oil_pct": 30
      }
    },
    {
      "id": "contact_window",
      "critical_dwell_seconds": 127,
      "diffusion_rate_mm2_s": 0.04,
      "hydroxide_activity_peak": true,
      "ph_at_peak": 11.5
    },
    {
      "id": "release_validation",
      "static_friction_coefficient": 0.89,
      "residue_limit_mg_cm2": 0.01,
      "surface_energy_mn_m": 72
    }
  ],
  "revision_history": [
    {
      "cycle": "2026-07-17",
      "change": "Initial static ledger",
      "author": "asma-rudisill"
    },
    {
      "cycle": "2026-07-18",
      "change": "Temporal film render (45s)",
      "author": "asma-rudisill"
    },
    {
      "cycle": "current",
      "change": "Interactive protocol deck with peer-grounded constants",
      "author": "asma-rudisill"
    }
  ]
}