Blue Danube

Recording by Johann Strauss II.

Recording identifiers

ISRC
SEWDL9750017
CopyrightID (CopyrightChains transaction hash)
0xc110f45355a593be946c605601ce9e78aed8b43f0c0ed8519305e4fd2d31f59a
Copyright registration time
2026-06-04T10:37:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8487b6a6d65bd8980d2459357db705d3dfaa2c16e27f2f26aee4f492f49f9f6b

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.