Don Quixote Souvenir du Bal (Slow Waltz 2)

Recording by Andrew Holdsworth.

Recording identifiers

ISRC
QM7282440487
CopyrightID (CopyrightChains transaction hash)
0x1f20d34d0784afccf1cc1828568de1e27f6986d93317f06f992b822262730355
Copyright registration time
2026-07-06T04:04:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:81187facd56518fdb384f98b4071f99837e5df175254fe3d913d31945475c7b0

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.