Wonderful World - (Wiener Walzer / 60 BPM)

Recording by Tanz Orchester Klaus Hallen.

Recording identifiers

ISRC
NLHR51244674
CopyrightID (CopyrightChains transaction hash)
0xfdfbcbca302528fd9f6668fe6dd9da62640464195187e26561f0f85c17651c46
Copyright registration time
2026-07-31T05:27:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:d3c0bc04936ab66fb23235684d7316c5c3aa518c5a84d3b810d91d3c2b73e294

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.