Melody in F

Recording by Artur Kaszowski; Jan Nowak; Aleksander Nowak; Wiesław Suruło; Mirosław Drak.

Recording identifiers

ISRC
PLJ051301407
CopyrightID (CopyrightChains transaction hash)
0x74c9c14caa9d72d1e4f0722e29a08b2d45cf6593cabb8b3f0006b3d331f570c8
Copyright registration time
2026-07-31T18:01:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:b388d570dad3be123fea509c32070f4ed031d89716ba977e44d0657466b0ea84

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.