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

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
CH0011500526
CopyrightID (CopyrightChains transaction hash)
0x46ec08896a9b6f0c9129d1e2d9a50ec1996e25a5c1a6fa2e9d1e7e5a493170a0
Copyright registration time
2026-07-30T13:59:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:161be060e5fd42cbed8f619f24d50e4a3723693b45b5f1c48a8d9be7af19d7d3

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.