Violin Concerto No. 1: III. Vivace

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
GBLWD0905009
CopyrightID (CopyrightChains transaction hash)
0x38a10e8eadab08f0d0debdd798c270f67cf653707ff228b8648e3e31bcb0a7d6
Copyright registration time
2026-07-07T05:26:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dad02df7350553a88467111c9d26812c3e8ea691bc500b7e2846be91a611864d

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.