The Blue Danube

Recording by Johann Strauss II.

Recording identifiers

ISRC
DEAT71209578
CopyrightID (CopyrightChains transaction hash)
0x2d8f1d7b3120491aebb83b1e5b8c2b0add2d9d5c4b89c47a06f769329f2f3bee
Copyright registration time
2026-07-30T18:16:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:c1cbfb6c0723f93113a22d404bcdd9ded46e6343e5475a1760041de21bfc73cb

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.