Duhová Víla

Recording by Petr Rezek.

Recording identifiers

ISRC
CZA167700012
CopyrightID (CopyrightChains transaction hash)
0xef6e5f1c07f48de0ec0f07cc71aa43a1999d404104dc686b648918f7fada5b04
Copyright registration time
2026-06-06T18:30:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:22e1eb8cb557e58ccddc8337ea43222b41bff8b1fc036fa29339fcbe925dd034

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.