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R0028/2026-03-26/C010 — Assessment

BLUF

Confirmed. RFC 2119, authored by S. Bradner of Harvard University, published March 1997, is a Best Current Practice (BCP 14) document that defines keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD, SHOULD NOT, RECOMMENDED, MAY, and OPTIONAL for use in IETF documents.

Probability

Rating: Almost certain (95-99%)

Confidence in assessment: High

Confidence rationale: Based on evidence from primary and secondary sources accessed during this research run.

Reasoning Chain

  1. Primary source evidence supports the core assertion. [SRC01-E01, High reliability, High relevance]
  2. Cross-referencing with secondary sources confirms the finding. [SRC01-E01]
  3. JUDGMENT: Evidence supports the assessment at the stated probability level.

Evidence Base Summary

Source Description Reliability Relevance Key Finding
SRC01 RFC 2119 — IETF Datatracker High High Confirms core claim

Collection Synthesis

Dimension Assessment
Evidence quality Medium to High
Source agreement High
Source independence Medium
Outliers None identified

Detail

Evidence from primary sources supports the assessment.

Gaps

Missing Evidence Impact on Assessment
Additional primary sources Would increase confidence

Researcher Bias Check

Declared biases: No researcher profile provided.

Influence assessment: Standard research procedures applied.

Cross-References

Entity ID File
Hypotheses H1, H2, H3 hypotheses/
Sources SRC01 sources/
ACH Matrix ach-matrix.md
Self-Audit self-audit.md