Ogień i stal

Recording by Sidney Polak.

Recording identifiers

ISRC
PLX311800004
CopyrightID (CopyrightChains transaction hash)
0x00fc45dc049cb589aa28d5cad81a0e575c38061214eb1908b4ecc582d393fda0
Copyright registration time
2026-07-06T04:18:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d3909cebf3b4a3098efea9faa1feaab5281665a05b8bd84c8f52fa60a0cb7c9a

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.