Oblicze

Recording by Marcin Czerwiński.

Recording identifiers

ISRC
PLR862100151
CopyrightID (CopyrightChains transaction hash)
0x2470df7b582f20e1954105e7d2a52db0f50cd3723378655f86b11883cd7f0bca
Copyright registration time
2026-06-05T09:34:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:093e96a4403ccbdaf2b79ad971ce16373d26146e4b6f0e402634b688af922660

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.