Rhapsody for Trombone & Brass Band

Recording by Gordon Langford.

Recording identifiers

ISRC
GBLWD2502002
CopyrightID (CopyrightChains transaction hash)
0xa42be63baf2be06187a482fb40eeaac7a46217e4df5e70340e027b60789eb44b
Copyright registration time
2026-06-27T21:06:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:23a878e59850bc2b1ee33ecf89a2dc1acad785f0484ab8afdf18f71876428fe3

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.