Valse-Scherzo, Op. 34, TH.58

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLA508701105
CopyrightID (CopyrightChains transaction hash)
0xf264302e05a4a3c2c61b878a364febec869cb9b91b98d32623e0abdab31dc34c
Copyright registration time
2026-07-07T16:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2249977979f5e4f829f2d29e33e8dd0927d9a3bc86d3b2d6b87bbda32d78389b

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.