Jeszcze raz - Film Version

Recording by Patrycja Markowska.

Recording identifiers

ISRC
PLA550700047
CopyrightID (CopyrightChains transaction hash)
0x94bac5bbf6e99981337c4e0c9f312c1f5d33f876c35159bce8eea6757302318d
Copyright registration time
2026-07-31T23:01:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:26f7f7ecd9c1efae0d4f3f8ebfe66d981e61be4e0a695bfd2c4303c9447a6ec7

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.