Dobranoc, oczka zmruż

Recording by Szczepko i Tonko.

Recording identifiers

ISRC
PLA551400249
CopyrightID (CopyrightChains transaction hash)
0xe1015455db8b4015ba5288eda275561864a06bbe9d5960f27b0a98e8c0c25050
Copyright registration time
2026-07-06T23:19:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5022088fabaec20304b7829a26b68303ec75a831b81a4c023f94a888b08aded0

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.