Swan Lake: Valse

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
SEWDL0503410
CopyrightID (CopyrightChains transaction hash)
0x55bf177c3c76bac2426b216fd4f399fcbd48bba4dc291da928313c0bbb67f6ba
Copyright registration time
2026-07-31T10:50:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:a29e26a9cd3cf758aa1a304a8cc0d86bfd8961d9477f76b14a2759588feefaaf

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.