commercial coffee roaster unspecified sense

William H. Ukers (author)

• G. Tuberman's Son granted first german patent on commercial coffee roaster 1877 ⟨Berlin⟩
  assertsneutralsource: coffee-pg28500

  The first German patent on a commercial coffee roaster is issued in Berlin to G. Tuberman's Son.

  judge verdicts (2)

  • groundedness 1.00 pass — The claim is directly stated in the passage: 'The first German patent on a commercial coffee roaster is issued in Berlin to G. Tuberman's Son' in 1877. All elements (subject, predicate, object, time, and context) match exactly.
  • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly identified as 'author' since the passage itself makes the assertion without attributing it to a named source. The stance 'asserts' matches the declarative framing. The sentiment is neutral, appropriate for a factual historical claim. The time '1877' matches exactly. The context 'Berlin' is faithful to the passage's specification of location. The quote is verbatim and directly supports the claim.