Sbohem, Lásko

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166700063
CopyrightID (CopyrightChains transaction hash)
0xd48fcb541ca66f203192b6816d1dbb14f8a2a5e6f381f2187160078cb7ff1d1d
Copyright registration time
2026-07-07T07:15:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:59f3dcb15fe6214987a474a400b01608e449fed67ecdb7488b643c38b791b6db

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.