Pique Dame, Op. 68, TH.10 / Act 1: "Uzh vecher"

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLA509200910
CopyrightID (CopyrightChains transaction hash)
0x9798b00b559a34a6244917929a339f58df78f6839a3502bedf1bec92d404fa25
Copyright registration time
2026-07-29T12:45:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:6ab3415a1e21ef7fd47a2b5a3b9ff87c7e50693884a1cb369d3f796c1d689d1a

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.