Betty Boop - (Quick-Step / 52 BPM)

Recording by Tanz Orchester Klaus Hallen.

Recording identifiers

ISRC
NLHR51245132
CopyrightID (CopyrightChains transaction hash)
0x1acea604a8916defcb9fe70b42817f8650ac935f8c92ae9635ab99febaa17979
Copyright registration time
2026-07-07T11:21:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a3ab5a3acb302217276ed66df9b905b6ef486afd4d8e8641bcab2bfcba4268e2

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.