The Blue Danube, Op. 314

Recording by Johann Strauss II.

Recording identifiers

ISRC
DEF069903500
CopyrightID (CopyrightChains transaction hash)
0x4654390b7ed88eed879622ed3914eb3ca166050ed9ffe334e2e0ffecad1c00ef
Copyright registration time
2026-06-04T08:13:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1437aacf2fee22171c21f6b09cdfbad2a986c67734710df46591045999729477

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.