Jak dziecko

Recording by Bisz.

Recording identifiers

ISRC
PL23B2020040
CopyrightID (CopyrightChains transaction hash)
0xe2293c9f8c539a641a904da305b3037ba62c85fdc143f6f6a75b85fc66804a8d
Copyright registration time
2026-06-18T06:16:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:99098f348db69a8cd7fa5497ce4bcb8275bf836861b876eeb3520537d52135f0

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.