Pierwszy raz / U.T.K.N.P.

Recording by PMM.

Recording identifiers

ISRC
PLC071307027
CopyrightID (CopyrightChains transaction hash)
0xeb4699209a9dabe286dfb2dd3f0020727be91987f49334109ff84cbaed5b4acb
Copyright registration time
2026-07-07T01:06:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d00f57069c508a415515a330ff746b487015b39992029e1c365176c3fa2d4074

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.