Duhová Víla

Recording by Petr Rezek.

Recording identifiers

ISRC
CZA659500009
CopyrightID (CopyrightChains transaction hash)
0xfa5d36f417e27202229bb7d48a3ac7ac5decabe98dfc8a8dc19998589084553d
Copyright registration time
2026-06-04T13:37:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e50e38820be952e268c24bd50aac669558c6b8f4aee2d9c54d8fb70906df4dc0

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.