The Sleeping Beauty, Op. 66: Waltz

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
HKI199317005
CopyrightID (CopyrightChains transaction hash)
0x367ba3c49523db9b6821d93ce7fb79dc98342072fb7ea6725c4f63128d75fdc4
Copyright registration time
2026-07-07T14:36:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:28f283949857535ecf08dd09586d18fb7eb55d2b781013886f410f7ab2ea8372

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.