Methodology

Data Sources

PFRegistry collects information from multiple sources:

No single source is treated as authoritative. All data is recorded as observations with timestamps indicating when the information was obtained. External providers are not endorsed by PFRegistry.

Observation Model

PFRegistry uses a time-aware observation model. Each piece of information is recorded as:

This model preserves historical context. When a firm's information changes, previous observations remain in the record. The current display shows the most recent observation for each field.

What "Observed" Means

When PFRegistry states that a value was "observed," this means:

Observation does not imply endorsement, verification, or recommendation.

Update and Change Tracking

Data in PFRegistry may be updated through:

All changes are logged with timestamps. The registry maintains a history of observations to enable tracking of how information has changed over time.

Limitations of the Data

PFRegistry data has inherent limitations:

Users should verify information independently before making decisions.