Blumenwalzer - (Wiener Walzer / 60 BPM)

Recording by Tanz Orchester Klaus Hallen.

Recording identifiers

ISRC
NLHR51244784
CopyrightID (CopyrightChains transaction hash)
0x31d84b392793cf2bb91fd9b6aa0376cc075030f798644dfc2fc816e4f51ecb14
Copyright registration time
2026-07-22T14:43:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T15:38:35Z
Bitcoin block
959144
Canonical record hash
sha256:dc99a9a2cb3bb6269e1322cb0fbc44767539fec82c637d294bf14477ba259cad

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.