Barcarolle in F-Sharp Major, Op. 60

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USBC19800528
CopyrightID (CopyrightChains transaction hash)
0x5183b22b3de058ba944af405a72185d61a5df1080bdc8d7ab5820483f16dc8a7
Copyright registration time
2026-07-30T19:26:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:de098639e7f11b2eb30ec46a2f0535385d4180b3d117a26c0aa501385ac476c7

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.