Swan Lake, Op. 20 (Mariinsky Version), Act I: No. 7, Scene – Sujet

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBBBA0643611
CopyrightID (CopyrightChains transaction hash)
0x1b6ec8aeafbc60bcf49fa15807c1001f2d40e9a6c06ab5f851e4b74b67432619
Copyright registration time
2026-07-03T15:09:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:02035c13c2b281d917546177c50bbd36c8fea65f3e8b2440aedefd65f106be05

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.