Swan Lake, Op. 20: Act III: Pas de six

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
CH0011500525
CopyrightID (CopyrightChains transaction hash)
0xe5e64d3fdfac0af66f84a3cfee78f0596928f46dd2b119d7f344b73f348c36fc
Copyright registration time
2026-07-30T05:12:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:21:45Z
Bitcoin block
960210
Canonical record hash
sha256:d945c8ffe01254b624466b6d53aade904ee6a1d6c2d8b3c4064e0f19f9197f5e

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.