Trombone Quartet, Op. 117: II. Adagio molto

Recording by Derek Bourgeois.

Recording identifiers

ISRC
SEAEI9784080
CopyrightID (CopyrightChains transaction hash)
0x351253ebec9dfb5d3f956109f336fabced5352ea341a1a9ff30a254ebdf74aed
Copyright registration time
2026-07-30T02:25:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:532c8c7777ce4a4a84bd5ab1bb735dc47464269d957d8d11c10510fbfcc348d8

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.