On the Beautiful Blue Danube – Waltz, Op. 314 - Excerpt

Recording by Johann Strauss II.

Recording identifiers

ISRC
AUAB01750576
CopyrightID (CopyrightChains transaction hash)
0x5b99fb0b00d7d080d575cdf6bb572d49741d3a762e2c5a8485b05b3b5325e58a
Copyright registration time
2026-07-07T05:23:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e031fdf034ad229596bc623c7938222359fcffb312c0d6b41eb67a01c6138be

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.