Co Se To Tam Blýská - Live

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166800032
CopyrightID (CopyrightChains transaction hash)
0x692ba8af2fce243425838d0e719eb513aa593d43d2bfba8c577b9d6c6bbd4b06
Copyright registration time
2026-07-31T16:40:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:89abfac60fa8bc32f9e3d1f69279ea50ca76920f8501983ee9f732b33739efa4

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.