Princezna v teplákách

Recording by Josef Vagner.

Recording identifiers

ISRC
CZAW21900105
CopyrightID (CopyrightChains transaction hash)
0x39dab186547ddcb184155ebb79cdba40859b05392f03745257753d55f1fbbcd9
Copyright registration time
2026-07-29T15:40:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:376132a438972df154b2997347f9a83f915d37fcff0cdae248b7bb25b4c02d6a

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.