Mądrzejsi

Recording by Artur Sikorski.

Recording identifiers

ISRC
PL2DY2301471
CopyrightID (CopyrightChains transaction hash)
0x463c03e461c9cab57f5061913d2492821dbc92c428d071daa5da857ef5d83c28
Copyright registration time
2026-06-10T14:42:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3259217d5569c2a6315fcc5566492fc70725232faf02645209fa77a00978640c

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.