Swing Warm Up: Jazz Waltz Medley

Recording by Andrew Holdsworth.

Recording identifiers

ISRC
QMFME2375601
CopyrightID (CopyrightChains transaction hash)
0xcff8d28f675324de6ec77b01fb8b6dd7abeef80597bb1bba1ebe263a7598c6b1
Copyright registration time
2026-07-07T09:50:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7a01386de1e9a651431ef868d11fbc92a5ef79fd1b27217623a6ef7d724deb55

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.