Schwanensee, Op. 20: Act III: Coda

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEB260200085
CopyrightID (CopyrightChains transaction hash)
0xa97ed004ab517d57e97aba70c689f3caa199958a3c4d36a762e017838ab93ec3
Copyright registration time
2026-06-19T12:29:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c542da7283b30a7800c9aea4268d31e25b3217c82805606262e8a225bf8e144e

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.