Cigarettes and Whisky

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166400086
CopyrightID (CopyrightChains transaction hash)
0x3327cd3abc8a0e5903b758adb847497377dd5b1550e7351b7868903a88263853
Copyright registration time
2026-07-07T13:41:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bc3eb39f31a3e17230f1abd994101fae717d9922d00cf686364436310b8f5659

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.