Mam zły dzień

Recording by Agnieszka Chylińska.

Recording identifiers

ISRC
PLH011800003
CopyrightID (CopyrightChains transaction hash)
0xde859a3d7114a6455e5d10daaf9754888d64ee214ddbde68cbc4f160500c5859
Copyright registration time
2026-06-06T20:45:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:917f6f5d22b5825dc7d2c93acf60dc75c92af02d552107b10be669863f93c013

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.