Obyčejný Muž

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA549829209
CopyrightID (CopyrightChains transaction hash)
0xfcaf6d0c61ae70cdda71afbc76491a10fa21b6e4a6e08456883a49a9ec3b1f26

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:aaeee9be80a91b27d8bc57904169fdc7d4b93e3cca032b35c53e43c8dd58c1a4

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.