S?owa, jak w??e do ucha

Recording by Małgorzata Ostrowska.

Recording identifiers

ISRC
PLA440700028
CopyrightID (CopyrightChains transaction hash)
0x8a1b64bb173eee855d5d3ae10dd7d0526b1c0c2f0ae1eff49b5334ac3d904d9c
Copyright registration time
2026-06-26T08:48:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:189e967ff8050213edb42d4751e406121a139dd66470cafc52f405c069a118a8

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.