Bop a Lena (Alternate Take)

Recording by Ronnie Self.

Recording identifiers

ISRC
DEZZ42171763
Release date of the album this recording appears on
1956-12-03
CopyrightID (CopyrightChains transaction hash)
0x72e433802128e8a5198a606b26316d3e593a841a65fd0d9c661e00ffae5e4047
Copyright registration time
2026-07-30T12:54:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:0842d741a0f4ed3195ff16b4b569b6f841c1b34e8f8f6afe946bc3168ebd5159

What this proof establishes

This recording was released in 1956, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.