Trombone Quartet, Op. 117: III. Presto

Recording by Derek Bourgeois.

Recording identifiers

ISRC
SEAEI9784090
CopyrightID (CopyrightChains transaction hash)
0xbc0bdc4126127314e141346472c8ddbc9575f2c7e6a6f048a0b6b7be006f9d63
Copyright registration time
2026-07-06T21:13:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:89872abfdeb78383d7c5959f4b2f59a7d735f15e6c61f8ceee328ade305ab380

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.