Swan Lake, Op. 20a: No. 1, Scène

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
SEWDL9750019
CopyrightID (CopyrightChains transaction hash)
0x025e652a8b5c0a028613a5a9cb47d89a4635e2bd2cc2a4e2055533d2ebf754d0
Copyright registration time
2026-06-05T05:12:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d30e5c9da77a09a78a39817f366738233b5c007117c3aac0a19f76995fe92156

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.