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Step 74: c2pa-node 0.9.10, the trust migration works and signing lost its timestamp - #185

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notes/step-74
Oct 20, 2026
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Maurice1969DB merged 1 commit into
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notes/step-74

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Adds NOTES Step 74 and its rows in the index. Notes only: nothing in src/, service/ or docs/, and notes/ is not in the dist.

The step records the attempt to bump @contentauth/c2pa-node from 0.9.5 to 0.9.10 (c2pa-rs 0.91.3):

The step keeps measured and reasoned claims apart, since notes/ is public. composer check: 519 passed, 7 skipped. bin/spec-check.php: 0 errors, 0 unresolved.

… its timestamp

Records the 0.9.10 bump attempt. The Context migration and SPEC-014
Amendment 1 are measured green, and specVersion signs and reads back.
The bump is held because c2pa-node 0.9.8 and later sign without an
RFC 3161 timestamp on the CallbackSigner/signAsync path, even against
an unreachable TSA (contentauth/c2pa-js#244). Also recorded: verify
after sign in c2pa-rs 0.91 and the SPEC-007 AC5 test it fooled (fixed
in #184), and a stray test server on port 3999.
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Maurice1969DB merged commit 1425f6a into main Oct 20, 2026
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Maurice1969DB deleted the notes/step-74 branch October 20, 2026 14:32
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