Daty polskie

Recording by Agata Klimczak.

Recording identifiers

ISRC
PLB171800382
CopyrightID (CopyrightChains transaction hash)
0x153ebca90d117e16b84203f49d20e8db6f10d6d57e0b159c35f5ed1d18610bcf
Copyright registration time
2026-07-31T15:16:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:27:29Z
Bitcoin block
960422
Canonical record hash
sha256:d388626baf2ef06bdccd0037165ea83ba3c284d15d7e1be92298c248dae1bfa4

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.