Starý Pytlák

Recording by Standa Procházka.

Recording identifiers

ISRC
CZA166600374
CopyrightID (CopyrightChains transaction hash)
0xa3eb975c4c8fddabfcc55da79fbc72ca71995c34626c6f8bf74d8b19b26fff75
Copyright registration time
2026-07-31T12:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:261f383ad8ad1fe4464a0ea9936981f824533031c705fc112f221f60878c1db2

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.