Violin Concerto in D, Op. 61: Allegro, ma non troppo

Recording by Jascha Heifetz.

Recording identifiers

ISRC
USBC19800022
CopyrightID (CopyrightChains transaction hash)
0x8de62960462cc5539f72bc9acd56345efb3af2991b188da9443d368ae6a0932b
Copyright registration time
2026-07-30T20:08:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:14:59Z
Bitcoin block
960305
Canonical record hash
sha256:e8b788b436b44b9452df4fae81b4b4698a23a7bd3442ca19ab4db5344c3ed842

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.