Pierwsze bzy

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA245503752
CopyrightID (CopyrightChains transaction hash)
0x87226ff31c6d5457c646e04b3a9a4b308abec5effc4020963199e327ce5a4482
Copyright registration time
2026-07-07T10:06:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:72f7c12d7914efbdcd9d8856bc016907048f24a5dd45f12490f7cd9cc3975663

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.