Trombone Concerto No. 12, Op. 52: Allegro molto

Recording by Vagn Holmboe.

Recording identifiers

ISRC
DKFAA0602403
CopyrightID (CopyrightChains transaction hash)
0x4362074398ee4d4d4296df18b5a88cfeb463b543a5b5754354336b8d1a49c99f
Copyright registration time
2026-07-06T18:46:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:daea5cc82b54eca97a14c5c1af188786c3f0e989c14660aca30c1fd3dc5c04c6

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.