Jedna, jedyna

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLD101201183
CopyrightID (CopyrightChains transaction hash)
0x62591d64d5a5a2dca95a05767a19740295f991bf6dfbd38399d7ae73db93391e
Copyright registration time
2026-07-07T08:06:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8d0cf0c0bfdd00905a6c56add60317c286eb5201cce324972ec737684e43374d

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.