Jen tys nic neslyšela

Recording by Jan Spaleny.

Recording identifiers

ISRC
CZA110102005
CopyrightID (CopyrightChains transaction hash)
0x598ca3ebd2ebf14588acdb9d99f3a3446d749d222a7c5978165c9ca1fcdf5a89
Copyright registration time
2026-06-22T20:26:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1459b2487ec0ab42305f4b3536519ad2ef20ea47042d99e8e503f3d2152b08e0

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.