Overture to the opera "Ruslan and Ludmila"

Recording by Mikhail Glinka.

Recording identifiers

ISRC
DGA062335078
CopyrightID (CopyrightChains transaction hash)
0x79fa725f70b25500c7f52c5f248e87048e6217ae6c6e8780906989295d21eb4c
Copyright registration time
2026-07-07T15:21:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9a871010d5c9b01985773abd4982aefd8d726cf541249173549e30ebdfd95627

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.