Zrcadlo

Recording by Petr Muk.

Recording identifiers

ISRC
CZA230000078
CopyrightID (CopyrightChains transaction hash)
0xa5c08fe85a5b8e1524253a8a1b2726d6aebd8650b121f7db66f8204bedfd10af
Copyright registration time
2026-06-06T06:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4733adbfce186777ebf4e786c38b047ba9b958bc46e6a6abafedc4add17c42aa

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.