Reasoning over data, not inference.
TAL is the analytical engine that BlackGrid products and Axis Meridi adopters run on. It categorizes, compares, correlates, and contrasts — every output is deterministic, every finding carries a confidence band, and every confidence trace-backs to source records.
Pipeline
Rule + hint matching, MHC across multiple trees.
Bottom-up pooling. Welford for numeric stability.
Positive: Compare, Correlate. Inverse: Contrast, Cross-correlate.
Two-stream merge into per-Pool summaries.
Detect contradictions and concordances across streams.
Flag records whose categorization looks wrong.
Per-result, with bootstrap stability and explicit factors.
Provenance DAG from finding → aggregates → records.
runHash that makes runs verifiable end-to-end.
Determinism, every time.
Same inputs + same engine version = bit-identical outputs. The runHash on every audit record is the proof. tal verify re-runs any job and asserts byte-equality.
Dense, technical, monochrome.
Palantir-feel, not consumer-feel. Every fact is hoverable to reveal its trace. Numbers are monospace. Confidence bands are visible at the row level — never buried behind a click.
Library or service.
@blackgrid/tal-sdk for in-process embedding, or POST to tal.blackgridlabs.com with an API key. Tektaris and any BlackGrid product can adopt with one dependency.