Ważne pytanie

Recording by Natalia Kukulska.

Recording identifiers

ISRC
PLA248627671
CopyrightID (CopyrightChains transaction hash)
0x9b871b32023d29f361ea97ae75ab53c93e3c08921d4bd36bf35daf4caf1d1b27
Copyright registration time
2026-06-18T12:12:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f3b398f8464c32a2c83ea711e6bb80489fff83ad53c8a1894ecf2efbabecde81

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.