Bye Bye Blues

Recording by Bert Kaempfert.

Recording identifiers

ISRC
DEUM70904617
CopyrightID (CopyrightChains transaction hash)
0x6149cdf8931fb857ddf6b3fef1e90c87320742d7b4b37fa080307fb75ddda438
Copyright registration time
2026-06-05T08:56:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0afe69331532d2fd3e95ae06cf9a27a86a2b2b0b92907736d69f8e4ab9b1d419

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.