Bossa Barbarella, Pts. 1 & 2

Recording by Rolf Kühn.

Recording identifiers

ISRC
DEAS61400060
CopyrightID (CopyrightChains transaction hash)
0xd686844d06e86f00f6042bb7ec7ad6b0ed975bfad4e0aea7ce81fe2079694f8d
Copyright registration time
2026-08-01T00:16:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:1c74e7f13038d4c27259e328f38c67272f94c6d66629d01fb87fe2e20d13a87c

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.