Ja nie mogłam mieć serc dwóch

Recording by Anna Jantar.

Recording identifiers

ISRC
PLA247418216
CopyrightID (CopyrightChains transaction hash)
0x960b92bafdb06eac8996682210254c307a0c154814edfc16646ebc291d4976a7
Copyright registration time
2026-06-11T21:42:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:bff5540dba11ce4640e5b25d6ef05994d9566184dc314a06e8e46aed3a06b6df

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.