Sonata for Two Violins in E Minor, Op. 3 No. 5: III. Presto

Recording identifiers

ISRC

CALC41701125

CopyrightID (CopyrightChains transaction hash)

0xd6bb102b9a6d748f86495c8b4b1b4b76210b53dafb13b812250be9489d98ef0c

Copyright registration time

2026-07-29T14:06:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T14:28:24Z

Bitcoin block

960117

Canonical record hash

sha256:00bf565aadb652743fa3d664e42f2a078ef9edb3db1eedcc961e197e4a5ffbd7

• Verify the CopyrightID on CopyrightChains
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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.