Eugene Onegin, Op. 24, TH.5 / Act 2: "Kuda, kuda, kuda vi udalilis"

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBF077440327
CopyrightID (CopyrightChains transaction hash)
0x7f01233e820c74934159d69ad7f79eb71ceeb5a3928c3099f73952d616f5baeb
Copyright registration time
2026-07-07T06:57:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:66a3795c2b0d6fb675e89b08739946b15229f080a8aa962efed93acde19a2483

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.