2 Pieces, Op. 82: II. Barcarola

Recording by Tomasz Kamieniak.

Recording identifiers

ISRC
NLY332301350
CopyrightID (CopyrightChains transaction hash)
0x5302949e170355c3072603ff455273c326a1a5f39e077629197c468902b49960
Copyright registration time
2026-08-01T02:26:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:64a9177dbc4265dbb56f9e7757033f711bafde820f508a4a8d6583d182df1e09

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.