4 Pieces, Op. 139: II. Minuet

Recording by Tomasz Kamieniak.

Recording identifiers

ISRC
NLY332301344
CopyrightID (CopyrightChains transaction hash)
0x161b11a0b8573040df560cb8f3d0709f96409e7f7d05293d1a2589e5af511fec
Copyright registration time
2026-07-07T17:07:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f97b44d224da743da4921cfd6874a398072b05c0e0600de39189322e33700b54

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.