Ostatni sprawiedliwy

Recording by Kacper HTA.

Recording identifiers

ISRC
PL41A1900036
CopyrightID (CopyrightChains transaction hash)
0x17549c30846fb3e9673de012eed89fde2433aeec4d662ebecb2bdd8359e256f3
Copyright registration time
2026-07-06T06:20:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:1679f72c1552712a503cf2eb27fb06101be794e90f03126371ea4c4f41baf40a

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.