Swan Lake Op. 20, TH 12 (Arr. E. Langer): Scène

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLE421503815
CopyrightID (CopyrightChains transaction hash)
0xa11b00ef764b22f2141bf13dc4ab62073173b8b4dc6fc3a89efcd3ae52a87b1e
Copyright registration time
2026-07-06T06:23:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e62cbd3f428909f98f14a7697ffadeda7eb74290924fe657f7232162c046e56e

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.