Tajemny hrad

Recording by Lucie Bílá.

Recording identifiers

ISRC
CZA239700385
CopyrightID (CopyrightChains transaction hash)
0xad8c83fe660af646f5d62408ab6f00f9f509d6ce06268ef683cadd2302566b1c
Copyright registration time
2026-06-10T05:38:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cab45e26f7042512e341609a27d5811937a502f1dcdd7456c29815b275e34e50

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.