Lásko, Slib Nám

Recording by Petra Janů.

Recording identifiers

ISRC
CZA169000551
CopyrightID (CopyrightChains transaction hash)
0x6dbab8a7af1c3e97c836a5928119504bb1484216c504a40f6e468675f9cfeca8
Copyright registration time
2026-07-31T21:40:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:6e1e5b0047200cf3092c60095b0af2d8451322a13911f46469b206a2fafa6253

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.