Zpívám, Pro Tebe Zpívám

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166600010
CopyrightID (CopyrightChains transaction hash)
0x8d62610f2edf5aff13eec399108df2c3dc88831de654c4a5c387d8d42b1df772
Copyright registration time
2026-07-07T02:14:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:da3c8fdd7b901238197a83eb31be7543b5a482e63341839296f7704949fe997b

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.