The Blue Danube

Recording by Johann Strauss II.

Recording identifiers

ISRC
ESA122490949
CopyrightID (CopyrightChains transaction hash)
0x905a818009a05cd22fc4a3875bc2bf2924a8a83a09fb55a509a0b05b7e986f34
Copyright registration time
2026-07-07T05:08:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:16d82c2a4fb8f2425c44cd694c895f061ad31647a7f4a57812024125e9b58848

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.