Barcarolle in F-Sharp Major, Op. 60

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059004020
CopyrightID (CopyrightChains transaction hash)
0x65d26975bac21e607d893c7213beaef6760dc45131ea71174f2b0aa067ade9d5
Copyright registration time
2026-07-29T23:53:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:11:40Z
Bitcoin block
960173
Canonical record hash
sha256:edba8b04daef5f93d4c78fdc52875269c6f48b50afe072620f57e44a2e64a90e

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.