Swan Lake Suite, Op. 20a: IV. Pas d'Action

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
SEWDL0723312
CopyrightID (CopyrightChains transaction hash)
0x64c8e5e9c540a26d98af5664e8e0d84f63b9c79b91880673ec30824c52664d25
Copyright registration time
2026-07-07T11:59:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5dcd0a14510809e965ceb61d1bf69ed9c9e9ccfae911b56166b01db362096f05

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.