Rhapsody-Concerto for Viola and Orchestra: I. Moderato

Recording by Bohuslav Martinů.

Recording identifiers

ISRC
DESR72449104
CopyrightID (CopyrightChains transaction hash)
0x355689619ba8003b79fe793000b5133079905f85817b3b21cc0d75dc0c89a2a4
Copyright registration time
2026-06-26T21:06:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:070bbac8cc4c00176d0e59208db02900311a1cfb0fa8afb0701e4ff0cd500ca5

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.