Orchestral Variations, Op. 50

Recording by Lars-Erik Larsson.

Recording identifiers

ISRC
SEBAA1203601
CopyrightID (CopyrightChains transaction hash)
0xc712751a7c588dc2392fe72bbcc55f11ff53e7b7c5703878cb073b4ddc47e5d8
Copyright registration time
2026-01-28T20:29:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:f573d4a25354b5374337d62e49b1e6c1b19dc918ad31f59c5d9778bd7120f84e

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.