Heja, heja

Recording by Iveta Bartošová.

Recording identifiers

ISRC
CZD711200026
CopyrightID (CopyrightChains transaction hash)
0x83217b382c2d3f15549ede66c307a5b58740c3ceb224746c354a15fc36171589
Copyright registration time
2026-07-31T07:29:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:11c4525821338f7a144407a355d059f4654f3e71883de4202fab1c7e275cd93e

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.