Schwanensee, Op. 20: Act III: Andantino: Men's Variation

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEB260200083
CopyrightID (CopyrightChains transaction hash)
0x5bda88d70615f1fb031bd23a50b361c6c0cfcf583b38c49f1f33fd7a275f5f5b
Copyright registration time
2026-06-27T05:20:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f78d4fb7c8b84b160d493a982babf185c1a2292ecf8a41055873abb84a616160

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.