Tchaikovsky: Swan Lake, Op. 20, Act I: No. 2, Waltz

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEA809399023
Release date of the album this recording appears on
2012-01-01
CopyrightID (CopyrightChains transaction hash)
0xd4a4a8b8decfe44b4f330ba79ea33574fd0e809a3a8153bc68d66c241b9ca134
Copyright registration time
2026-07-07T00:24:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e7b1a55a757ad1e04f05080704cf00552bb1dc9d1f08065aa0cd68b205cea5e2

What this proof establishes

This recording was released in 2012, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.