Sedni a jen se dívej

Recording by Václav Koubek.

Recording identifiers

ISRC
CZC061000018
CopyrightID (CopyrightChains transaction hash)
0x21398a8b1412eafeb6597818039631b00d995f6c6b10c7819d535d2416c947a6
Copyright registration time
2026-06-21T15:04:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:655e576c4f163e131d7257fd601adb30eccc9c7c43ae0cfc17b1301caf4d562b

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.