Obyčejný Muž

Recording by Petr Spálený.

Recording identifiers

ISRC
CZA167900218
CopyrightID (CopyrightChains transaction hash)
0xd18348e98a08f26cc152c1e44548c706467ccc3148e0c84ba60fd06760f251ab
Copyright registration time
2026-06-07T16:11:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2dd12401918815058b580d731c97f4c2fe43cc073ccb7799a3b896e13ad071e4

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.