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Memory that stays point-in-time correct.
Agents ingest revised market data, MNPI, and late filings, and risk using the wrong temporal version in a trade. Lians keeps them point-in-time correct and reviewable.
Proof points
Built for the desk.
event_time, ingestion_time, valid_from, valid_to: every fact reconstructable as of any date.
Flag facts ingested after the simulation date so a backtest isn't poisoned by lookahead bias.
Chinese walls enforced in Postgres RLS, keyed on barrier_group, not in app code.
Hash-chain verification and examinable export for supervisory review.
Beneficial-ownership and conflict paths via the relationship graph.
Ticker, ISIN, CUSIP, and metric normalization out of the box.
See it: as-of recall
Ask what the desk knew, on any date.
The demo
Revise, exclude, reconstruct.
Revise guidance. Exclude the stale figure. Reconstruct the earlier state. Check the backtest. Every step is auditable.
Connector priorities
Where the data lives.
Bloomberg, FactSet, Refinitiv / LSEG, Snowflake, Databricks, S3 data lakes, OMS/EMS exports, and trade-surveillance tools.