To nie ptak

Recording by Męskie Granie Orkiestra.

Recording identifiers

ISRC
PLB822300215
CopyrightID (CopyrightChains transaction hash)
0x4ab3aa942c2e3c36e95ac0d99931d68189c818da3c51ca311fdf748ce23e3521
Copyright registration time
2026-06-04T15:27:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9c502f6f8b23a032ac92919c53c2ee9470c016693c27662adb9458156f88586d

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.