Na Stare Lata

Recording by Witold Pyrkosz.

Recording identifiers

ISRC
USWD10526114
CopyrightID (CopyrightChains transaction hash)
0xe27b96de844b30952aedf1dc6d654f72857cc982f66435bfbbf3d2f899786aab
Copyright registration time
2026-06-09T16:11:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3c665a461454c5bd19fab6c4f89a75544dcdea20a9d8c38a023c13c3b707a256

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.