The OSTI/SAND-91-7095 and Semantic Scholar/Linnainmaa claim-notes' 0.84 cosine resemblance is verification-genre, not a real bridge

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A 0.84 cosine pairing linked the vault's OSTI note, which used OSTI.GOV's BibTeX export to pin the material-point-method founding report's date, and the vault's Semantic Scholar note, which used the Semantic Scholar Graph API to pull Linnainmaa 1976's citation count. Direct comparison of the two APIs' own institutional self-descriptions finds no real connection.

OSTI: "Established in 1947, OSTI grew out of the post-World War II initiative to make the scientific research of the Manhattan Project as freely available to the public as possible." Semantic Scholar: "launched in 2015 as a groundbreaking project at Ai2, a non-profit research institute founded in 2014... Ai2 is the creation of Paul Allen, Microsoft co-founder." The two tools are unrelated inventions roughly seventy years apart, built by unrelated institutions for unrelated reasons — Cold War declassification policy on one side, a 2010s AI nonprofit's push to make citation graphs machine-readable on the other. Neither institution's founding history mentions the other, and the two claim-notes' subject matter (a 1990s computational-mechanics report; a 1976 numerical-analysis thesis's later citation record) shares no object-level link either.

The resemblance the cosine score picked up is this vault's own recurring prose pattern for a specific finding-type — "verified via the API's structured export, not display text" — applied to two different tools that happened to converge on the same job. This joins a small standing cluster of same-shape verdicts reached independently across this vault (observation-pitman-feldbaum-bridges-same-genre-opposite-tool-outcomes, observation-petiska-and-gates-jevons-liang-olsder-bridges-are-two-species-not-one-relationship): a shared label or a high similarity score names a fact about the vault's own writing, not a fact about the world the notes describe.