Clarinet Concerto, Op. 57: Ib. Poco adagio

Recording by Carl Nielsen.

Recording identifiers

ISRC
DEN962302212
CopyrightID (CopyrightChains transaction hash)
0x1f094e0607482d7b4ff2927e81825cf784fa78842bf2fb2e5e5cdf34624e28db
Copyright registration time
2026-07-07T12:33:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6c7ae871e9a1c7d62a79dc050e150895dfca377cd4fb624a45d7c63a1bf118bd

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.