Biała Kredka

Recording by Dwa Sławy.

Recording identifiers

ISRC
PLG051700104
CopyrightID (CopyrightChains transaction hash)
0x1ec385cc9d13264bc91abab833b7d08637e94844685d747757092bf755234084
Copyright registration time
2026-06-18T05:24:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:31b02c15a3b7db4091122a3c08ffcbfcc4fc41d9c1e5c9cd2399881edcadfa70

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.