Zły rok

Recording by KęKę.

Recording identifiers

ISRC
PLS412100011
CopyrightID (CopyrightChains transaction hash)
0x25d937c09f4a2b148d33c475ac5e4e23a272ea1300f8252e88cf10356cea5b28
Copyright registration time
2026-06-07T08:53:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7f6897ed5aedd6f6b3cfbfc06247d43ca5a1f778d12cfc1d55ea46d451966217

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.