Record entry · Defense Procurement

J 20

What is happening now

Nothing reported: the record holds no registered event and no claim that names this.

How well we know this

48 documents · 9 publishers · 8% contain a typed assertion · last evidence 1 Nov 2026

Gap: assertion coverage 0.083: about 92% of mentions carry no typed assertion

Added 4 Oct 2026Mentions 22Sources 9Days of coverage 13

Why this name is on the record

J 20 was added automatically on 4 Oct 2026 after 22 mentions across 9 sources over 13 days. 68% of that coverage came from a single subject area.

Reported alongside J 20

Names most often reported alongside it; bigger circles and heavier lines mean more shared documents. A dashed circle has no page of its own yet.

China · 47 shared documents
F-35 · 32 shared documents · no page of its own yet
F-22 · 30 shared documents · no page of its own yet
United States · 27 shared documents
Us Air Force · 24 shared documents
Navy · 23 shared documents
F-22 Raptor · 22 shared documents
Lockheed Martin · 22 shared documents
Raptor · 22 shared documents · no page of its own yet
Chengdu · 19 shared documents · no page of its own yet

For developers

GET https://api.signalbureau.ai/api/registry?slug=j-20

{
  "slug": "j-20",
  "state": "active",
  "detail": {
    "state": "active",
    "source": "ontology",
    "label": "j-20",
    "promotedAt": "2026-10-04",
    "category": "defense_procurement",
    "evidence": {
      "mentions": 22,
      "sources": 9,
      "days": 13,
      "concentration": 0.682,
      "standAloneShare": 0.846
    }
  }
}

The record behind this page, as data. The live response also carries the registry date and version.

Walk the record from J 20

Open where it comes from, follow a claim or a related name, and use the trail to come back. Every step says what it is, how it stands and when. Machines read the same record.

J-20

Entity.

Evidence: 48 documents · 9 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing: A name from our starting list; its record is kept up to date automatically from coverage
Time: first seen 4 Sept 2026, last seen 1 Nov 2026
Measured: 8% of mentions say something specific about it; the rest only name it
As of: 2 Nov 2026