Medvědí Bál

Recording by Petr Ulrych.

Recording identifiers

ISRC
CZA167200476
CopyrightID (CopyrightChains transaction hash)
0x082035f0b7973842a1d9755cfef5b09614f93f179d175a8437d78aa71f735a9d
Copyright registration time
2026-06-21T16:07:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7ab8f70cb06b8565df93b3559404d8b5f9b2f1170b3b578e2f5cebdcf3755a50

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.