Blue Danube Waltz

Recording by Johann Strauss II.

Recording identifiers

ISRC
USBC16500130
CopyrightID (CopyrightChains transaction hash)
0x64c681064f7179aa16ce284e83a9a92f9199ec9423f06a3305111d926d3b6ba5
Copyright registration time
2026-06-24T09:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:707b50d943d263f4989a20edb70fa12c8f969a55cd4bce9d9aefc2dd1b0aae40

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.