Swan Lake, Op. 20a: Act II: Scene

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
HKI199316309
CopyrightID (CopyrightChains transaction hash)
0x2be24bac02bb4c2ead8c281996c916969fb6c2bc78f05dab29ea53a35e4c48a6

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:51:24Z
Bitcoin block
960259
Canonical record hash
sha256:0f05dd67802ece7675fd0a38f6176082d34c5d9f4524fde2d535675b21262d6e

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.