Jazz Suite No. 2: IV. Waltz

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
GBAYC9600040
CopyrightID (CopyrightChains transaction hash)
0x0cb81ebbf810e60e69af3929cd874b5585abc885165b4808eb3850650398a803
Copyright registration time
2026-06-04T10:54:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:89d2d5a4a9ef4d9d3d74c73986a9355ea0c255209c3835d755d4f942125fcfec

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.