Sundej kravatu

Recording by Helena Vondráčková.

Recording identifiers

ISRC
CZA100209004
CopyrightID (CopyrightChains transaction hash)
0x9acf94d359f817f68d498449915f12d04bc114bd6319c82e6d777a7eb2453649
Copyright registration time
2026-06-26T02:58:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:90720b06d21213a451ec0c67ba864022cc348067d3622166e446d568127a640d

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.