Kruhy v obilí

Recording by Lucie Bílá.

Recording identifiers

ISRC
CZA230700244
CopyrightID (CopyrightChains transaction hash)
0x36aa04777c95f3e15a642116189a7dd8f3796ff5e164fd510db67429cd10925d
Copyright registration time
2026-07-07T16:33:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b7f18a161d1e9ce7243817dcdf14a7d61bf2ba33f238452d5edd8330a978476d

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.