Violin Sonata in E Minor, Op. 1 No. 4: III. Courante

Recording identifiers

ISRC

FR50X2189522

CopyrightID (CopyrightChains transaction hash)

0x1e26e0790e0bc5af2a5d65c36e3aabd0b49800bbbc43ad9a4a0378711d862a6f

Copyright registration time

2026-07-31T07:54:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T08:26:41Z

Bitcoin block

960368

Canonical record hash

sha256:ce71901e3f51e35be6941152f342a9db4f6c3aef100dd5eec1344e96fb5508b8

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.