Record entry · Energy

Petrobras

What is happening now

  • Cardano Foundation partners with Petrobras on blockchain fuel applications

    Reported claim · first reported 30 Sept 2026 · 1 claim · best-carried claim: 2 separate publishers

How well we know this

22 documents · 15 publishers · 14% contain a typed assertion · last evidence 7 Oct 2026

  • Gap: assertion coverage 0.136: about 86% of mentions carry no typed assertion
Added 8 Oct 2026Mentions 20Sources 14Days of coverage 13

Why this name is on the record

Petrobras was added automatically on 8 Oct 2026 after 20 mentions across 14 sources over 13 days. 35% of that coverage came from a single subject area.

Reported alongside Petrobras

  • Brazil · 22 shared documents
  • Oil · 14 shared documents

For developers

GET https://sigb.ai/api/registry?slug=petrobras

{
  "slug": "petrobras",
  "state": "active",
  "detail": {
    "state": "active",
    "source": "ontology",
    "label": "petrobras",
    "promotedAt": "2026-10-08",
    "category": "energy",
    "evidence": {
      "mentions": 20,
      "sources": 14,
      "days": 13,
      "concentration": 0.35,
      "standAloneShare": 0.864
    }
  }
}

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

Walk the record from Petrobras

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.

Petrobras

Entity.

Evidence
22 documents · 15 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing
Added automatically from coverage
Time
first seen 11 Sept 2026, last seen 7 Oct 2026
Measured
14% of mentions say something specific about it; the rest only name it
As of
8 Oct 2026
3 links from here

Who it moves with: the 2 names are in the map above.

What is claimed about it (1)

  • Reported by two: Reported by two sources that did not copy each other.

Situations it is named in (0)

none on file at this cutoff

For machines: this record as JSON

Watch this

The coverage behind it

Ask about PetrobrasWatch Petrobras

No trend and no market price are shown because neither has been measured for Petrobras yet. Informational only, not advice. As of 8 Oct 2026.