Orchestral Variations, Op. 50: Orkestervariationer Op 50

Recording by Lars-Erik Larsson.

Recording identifiers

ISRC
SEVOZ1150712
CopyrightID (CopyrightChains transaction hash)
0x4962b9d13a804395b78b8626f35438675195e1ddda290d16df9d400df7eb0829
Copyright registration time
2026-01-28T19:49:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4853f00d65bc162785fa92fadc1e56aacb7770ddffb0815328b10f985d1db709

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.