Barmanka

Recording by Jiří Grossmann.

Recording identifiers

ISRC
CZA160901262
CopyrightID (CopyrightChains transaction hash)
0xfd27b3ecaf49e0afe02bcddb468999286b3f9e5905cb1bc35aa9c9d45880a2b1
Copyright registration time
2026-06-20T10:12:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c6f6886d0ba4d2585affc7910c053474065c848e80df0e6fa185ed8a63846d9e

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.