Danubio Azul

Recording by Johan Strauss Jr..

Recording identifiers

ISRC
MXF550700118
CopyrightID (CopyrightChains transaction hash)
0x33f8c0b813936b15f6a97b969d2e886dbf4af5b69dc4b5f7e21797b4bd23903d
Copyright registration time
2026-07-31T17:10:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:f19615cc7ffb890fa5f4f34e0273f755bbf8b8d773f2d618540fe35a0ac1f476

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.