Concerto for Violin & Piano, Op. 105: II. Largo

Recording by Nikolai Kapustin.

Recording identifiers

ISRC
DEB262100163
CopyrightID (CopyrightChains transaction hash)
0x42639d38219c1ca18e642128794787f711ec5f354b5ee15cdd35c94741970b9b
Copyright registration time
2026-07-06T22:00:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:808c3d767bb0cd9c035a91470b5ac12d0173790da0ed057aa718d1276647b805

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.