Clarinet Concerto: II. Poco adagio

Recording by Carl Nielsen.

Recording identifiers

ISRC
GBLLH1439002
CopyrightID (CopyrightChains transaction hash)
0x274a45a0affe28e327d21e27eac0e71b1b3067cf811f357f60e030f2642a3c7e
Copyright registration time
2026-07-06T20:50:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:09d30039ecb97f4eaac5b2d9229ed7b89ea32be2f45b95c038d59c6a95773546

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.