O tym co było...

Recording by Peja.

Recording identifiers

ISRC
PLC062120101
CopyrightID (CopyrightChains transaction hash)
0x71bdbf51cbb08e32449ad03cc0b6817515a04892760eba1a7110934360a8e20c
Copyright registration time
2026-06-25T20:52:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b40827de2f26ba98a7fc4ed278070540d4f88f9e230ad87711cfa5def92594d8

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.