Ja Nie Odchodzę Kiedy Trzeba - Live

Recording by Ewa Błaszczyk.

Recording identifiers

ISRC
PLA391370909
CopyrightID (CopyrightChains transaction hash)
0xdb7e915fc1c4d37eaa47d7fc5cb9cf81c6ec9890acecd7299892295ccd80552f
Copyright registration time
2026-06-25T16:07:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:e21d934dd843952d76ecb8275d756d2d72698c6ace61c88568f9eb074041656e

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.