Swan Lake, Op. 20, Act 2 No. 10, Scène, Moderato

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
ITK262200107
CopyrightID (CopyrightChains transaction hash)
0x2f41e6be81de31c1b2479b0a9efc34394453b4f8904b48c78e6cd350c6597076
Copyright registration time
2026-06-27T05:02:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dd27c1882ea7f1ea8fd8ed4fca9cced5b1bc354c1a6ba590c879b7a1e668442d

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.