Swan Lake, Op. 20: Act I: Scène 2

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
CH0011500516
CopyrightID (CopyrightChains transaction hash)
0xff38f98bdd1c984d08d42a74084e3a9749dc15c394007b386f2a753b5186682a
Copyright registration time
2026-07-06T20:23:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c81144a845806b600aa6037f1ef4c0cb5d7152ff0666724012ce3d4c98e9aa41

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.