Tri Krize

Recording by Ladislav Kučera.

Recording identifiers

ISRC
CZUM70800446
CopyrightID (CopyrightChains transaction hash)
0xa2a0dc7b4685af425fe21998feac51f1465263b40916b2932806a3323dff9b93
Copyright registration time
2026-06-11T12:29:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:2c04bd42bed45d8dd0613539129312f2d871d396d98e1d12d33a8d5201b190a3

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.