Concerto pour clarinette et orchestre, Op. 57

Recording by Carl Nielsen.

Recording identifiers

ISRC
FR3KD1200545
CopyrightID (CopyrightChains transaction hash)
0x5e6029ccaec70f6322d2b66275262cc6a71f82ca6d30e8e1d425032daaab40ce
Copyright registration time
2026-07-07T17:56:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6040a258a7464189afb29951bef6fbc2a0cc072c8b3a6bce1139f070e19e775b

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.