Trombone Quartet, Op. 117: I. Allegro vivace

Recording by Derek Bourgeois.

Recording identifiers

ISRC
SEAEI9784070
CopyrightID (CopyrightChains transaction hash)
0xc1335e7b0e838cac049f20a16ca3353c77c0190910133aa7690a98e7e3b1f217
Copyright registration time
2026-06-25T05:52:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1ddc8c7c5cf63bf31e9bfb1d53751131d0c53563c3d811c7e7942956c6d87168

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.