Dvanáctá

Recording by Lenka Dusilová.

Recording identifiers

ISRC
CZA161401736
CopyrightID (CopyrightChains transaction hash)
0x079da964cc8838485e0de543377b0d67a598f332712b1ad879121c5e753f4bc9
Copyright registration time
2026-07-31T04:53:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:b599ae883f7f06f76e4213d7a05c8c94229ffdfa801bf6fef3fd0ce526a86208

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.