Hadka sester

Recording by Lucie Bílá.

Recording identifiers

ISRC
CZA239800015
CopyrightID (CopyrightChains transaction hash)
0xcf98eda8e50dad51ab03ab7679e4553bcbaacdcbe363dffca22e6db222581fd6
Copyright registration time
2026-06-10T06:11:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:30b4851dfb51b95ac28a47e829ce4737be543ca3f8005394083507c74b85d58a

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.