entities with an archived URL
Data quality
Quality and coverage
Inspect where the registry is strong, where evidence or archives are thin, and which reviewed records need further strengthening.
Entities869
Events1004
Evidence3497
Generated2026-07-18
share of all reviewed entities
total evidence records divided by entities
1687 of 3497 evidence records
3155 / 3497 evidence items
0% of entities
Entity confidence
Reviewed confidence classification on exchange entity records.
High470 · 54%
Medium388 · 45%
Low11 · 1%
Evidence reliability
Reviewed reliability classification on public evidence records.
High1687 · 48%
Medium1761 · 50%
Low49 · 1%
Evidence depth by entity
Number of evidence records associated with each reviewed exchange entity.
zero0 · 0%
1 source1 · 0%
2–4 sources590 · 68%
5+ sources278 · 32%
Record freshness
Time since the entity record was last reviewed, using last_verified_at.
0–30 days640 · 74%
31–90 days172 · 20%
91–180 days57 · 7%
Coverage
Archive, date, origin, domain, and confidence coverage with explicit denominators.
| Metric | Value | Denominator / note |
|---|---|---|
| Archive coverage | 94 | 813 / 869 entities |
| Dead-side archive coverage | 100 | 215 / 215 dead-side |
| Active-side archive coverage | 91 | 598 / 654 active-side |
| High-confidence share | 54 | 470 / 869 entities |
| Launch date known | 49 | 430 / 869 entities |
| Death date known | 100 | 214 / 215 dead-side |
| Origin known | 100 | 869 / 869 entities |
| Original domain known | 94 | 813 / 869 entities |
Evidence source types
Composition of the public evidence layer by source category.
Official statement1311 · 37%
Official blog218 · 6%
Official social32 · 1%
Archive capture178 · 5%
News article637 · 18%
Court document9 · 0%
Regulatory notice89 · 3%
Database reference970 · 28%
Community reference50 · 1%
Other3 · 0%
Evidence claim scope
What kind of registry claim each evidence record is intended to support.
Entity1039 · 30%
Event760 · 22%
Status972 · 28%
Death reason52 · 1%
Launch date378 · 11%
Death date64 · 2%
URL history194 · 6%
Ownership38 · 1%
Selected missing-field counts
Visible selected field gaps. A retained unknown value is not automatically an error.
| Metric | Value | Denominator / note |
|---|---|---|
| Missing launch date | 439 | 51% of entities |
| Dead-side missing death date | 1 | 0% of dead-side |
| Missing origin | 0 | 0% of entities |
| Missing original domain | 56 | 6% of entities |
Completeness indicators
Selected public coverage indicators. These do not form a hidden quality score.
| Metric | Value | Denominator / note |
|---|---|---|
| Aliases present | 74 | 639 / 869 entities |
| Notes present | 100 | 867 / 869 entities |
| Summary present | 100 | 869 / 869 entities |
| Archived URL present | 94 | 813 / 869 entities |
| Dead-side with 2+ evidence | 100 | 214 / 215 dead-side |
| Entities with 0 evidence | 0 | 0% of entities |
| Entities with 1 evidence | 1 | 0% of entities |
Metric definitions
Definitions and denominators used to interpret this public summary.
- Entity confidence
- The reviewed confidence classification stored on each exchange entity record.
- All reviewed public entities.
- Evidence reliability
- The reviewed reliability classification stored on each evidence record.
- All reviewed public evidence records.
- Evidence depth
- How many evidence records are associated with each exchange entity.
- All reviewed public entities.
- Archive coverage
- Whether an entity record includes an archived URL reference. It does not measure the completeness of every historical page.
- The entity population named in each metric note.
- Record freshness
- Elapsed time since the entity last_verified_at date, grouped into review-recency bands.
- All reviewed public entities.
- Unknown-field rates
- Visible missing values in selected public entity fields. Unknown values are not automatically treated as errors.
- All entities or dead-side entities, as stated in each metric note.