Tuhle Písničku

Recording by Jiří Helekal.

Recording identifiers

ISRC
CZA380318204
CopyrightID (CopyrightChains transaction hash)
0x2f4b590894e18d34f7fcc6ee396419bd01d034ec33c6bb2ca7f7df8423bc83b0
Copyright registration time
2026-07-30T09:52:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:58:01Z
Bitcoin block
960241
Canonical record hash
sha256:d024c28a8abc74df80e87673ed9bd922a01c2f107326b8e6df6b85b4206cde93

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.