Deterministic Structural Conditioning
Deterministic structural conditioning for catastrophe model tail risk
PTEM — Phase Transition & Emergent Modulation
PTEM applies deterministic structural-capacity conditioning to catastrophe model event sets. On the same event set, tail metrics are reevaluated for comparison under conditioned structural-capacity states, without track modification, catastrophe model physics modification, or event generation modification.
Same event set. Different tail behavior.
Phase Atlas measures. PAC conditions. Capital Impact translates.
Operated by PTEM Labs LLC, a founder-led developer of governed structural measurement systems based in Florida, United States.
Licensed only to institutional risk owners, reinsurers, and public programs that require governed audit trails.
What this changes
PAC reveals how extreme-event mass and tail metrics shift when structural capacity is imposed on the same event set.
- Same event set
- Same catastrophe model
- Deterministic conditioning
- Capital-relevant tail metrics
- One-page decision artifact
What evaluators observe
On the same event set, PAC shows how structural-capacity conditioning redistributes extreme-event mass, shifts TVaR, and reveals regime-dependent tail behavior.
- Extreme-event mass redistribution
- TVaR movement under identical inputs
- Regime-dependent tail behavior
- No changes to tracks, event generation, or catastrophe model physics
Architecture strip
Structural Spine → Phase Atlas → PAC → Capital Impact → One-page decision artifact
Phase Atlas quantifies when structurally interpretable and tail-capable regimes are present within the historical basin state space.
Mental model: Cat model generates events → PTEM conditions when extreme regimes are structurally available → tail behavior is reevaluated for comparison under conditioned structural-capacity states on the same events.
Structural Spine
Phase Atlas
PAC
Capital Impact
One-page decision artifact
Capital Impact
Capital Impact compares baseline and PAC-conditioned event sets under identical inputs and reports capital-relevant tail metrics.
- VaR / TVaR comparison
- capital multiplier
- extreme-event mass delta
- low/high structural-capacity segmentation
- one-page capital impact sheet
Capital Impact is not a pricing model, regulatory capital model, forecast output, event generator, or catastrophe model replacement.
Governance
- Forward-only computation
- Frozen structural spines
- Manifest-backed artifacts and receipts
- SHA256 validation
- No outcome-conditioned tuning
- No track modification, event generation, or model physics modification
- Non-forecasting outputs
Evaluation access
Evaluation access is structured for institutional due diligence and integration testing under bounded exposure.
PAC evaluation can be run through a deterministic SDK/CLI interface with row-preserving outputs and audit receipts.
- Frozen Phase Atlas bundle
- Read-only SDK
- PAC interfaces
- Capital Impact analytics
- One-page capital impact sheet
- Manifests and receipts
- Sample event-set quickstart
Institutional access only: reinsurers, portfolio-risk owners, model validation teams, and public programs.
PTEM Labs — founder-led, governance-first development of structural measurement infrastructure.
PTEM Observatory provides a governed replay interpretation environment for inspecting structural regime evolution under deterministic replay conditions.