Verify a bounded claim
Inspect proposition, status, source aliases, caveats and prohibited inference.
Open verification desk →CHT Atlas
Inspect every strong claim.
Move from a statement to its source, dataset, limitation, version and correction.
Evidence through 4 September 2026 · Version 1.0
Evidence workbench
Start with the task you need to complete.
Trace a source
Inspect bibliographic state, locators, limitations and every page that reuses an alias.
Open source resolver →Find structured data
Review version, geography, fields, access class and quality before reuse.
Browse datasets →Read a map or chart
Keep layers, denominators, uncertainty and an accessible table attached.
Map explorer → · Charts →Check chronology
Date order does not prove causation. Precision and competing accounts remain visible.
Open timeline →Inspect a sensitive record
Incident fields, allegations, procedure and safety limits remain separate.
Open incident register →Evidence service
Reviewed records and open gaps
| Record | Status | Use and limitation |
|---|---|---|
| 2022 population aggregate | Supported with caveat | BBS categories; Rangamati discrepancy remains |
| 1981 and 2001 totals | Unresolved | Incompatible candidates remain parallel |
| Accord implementation totals | Attributed positions | Different units and definitions |
| Kaptai displacement | Historical estimates | No reproducible household register located |
Evidence service
Trust tools
Claim states
Supported, partly supported, disputed, unresolved, superseded and withdrawn.
Dependence
Repeated dependent reporting is not independent corroboration.
Corrections
Material changes propagate across derivatives.
Gaps
Missing evidence constrains publication; it is never guessed.