Bye Bye Blues

Recording by Bert Kaempfert.

Recording identifiers

ISRC
DEF066625150
CopyrightID (CopyrightChains transaction hash)
0xcb82bbe0a327ef8ea7f8235e5ab46b6c7190a9fc13cc47b6217c399040aac80d
Copyright registration time
2026-07-07T18:41:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:0fcfc82da957bf29c47bad53844991e2f10827bd86b9ad6d8d9064133d3652e7

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.