Clarinet Concerto: IV. Allegro vivace

Recording by Carl Nielsen.

Recording identifiers

ISRC
GBLLH1439004
CopyrightID (CopyrightChains transaction hash)
0xd52537e38a2ddb77902fdcdd17700fec78e52b70c10f05ec73d79317a30ce085
Copyright registration time
2026-07-06T07:50:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:969ecbed3030c2b4a9b612d94bcc429638569f3c2edfba43d14607d90249ced0

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.