Hard Rock Cafe - (Cha Cha Cha / 32 BPM)

Recording by Tanz Orchester Klaus Hallen.

Recording identifiers

ISRC
NLHR51245253
CopyrightID (CopyrightChains transaction hash)
0x8d73567b974aeae9da21ba0454afcc4471edbfdd98e8d6004a074a99ca8d2af4
Copyright registration time
2026-07-30T08:36:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:646fcb730a779ec2fa72a1e264dfa8ebb5ac6628fa4a45f3a2cda4d35db2f639

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.