Sonate pour violoncelle No. 2, Op. 81: I. allegro moderato

Recording identifiers

ISRC

FR96X1812332

CopyrightID (CopyrightChains transaction hash)

0x0102238e703c10f2a2ca3e4500471c0ed1dd3ed0f48d71dc595ca379cd3e0e65

Copyright registration time

2026-07-06T03:01:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T06:56:49Z

Bitcoin block

956889

Canonical record hash

sha256:7b67c9781d114b620e7f894677ebfb12c47dfa95b6c8d33e48a6ff1924673560

• 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.