Szkoda róż

Recording by Magda Umer.

Recording identifiers

ISRC
PLB171001246
CopyrightID (CopyrightChains transaction hash)
0x3d990aec6067755093a9b743a07eefcfee97eab4f16dd02e17087725da4edf48

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:26:00Z
Bitcoin block
960298
Canonical record hash
sha256:6e20e2fbd7cf6348daf86416a1f90fe37ceae68ff9144f4705c654197b921563

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.