Modrej Vřes

Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA169700444
CopyrightID (CopyrightChains transaction hash)
0x047dc3217b1026db80266238d227168122aa86d7b8b38754222ff27b8fec2634
Copyright registration time
2026-07-29T13:16:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:21:01Z
Bitcoin block
960111
Canonical record hash
sha256:476e454b205422acc074369f1332d5de686d86149b09289369c84a37600fe854

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.