Lute Sonata No. 2: II. Siciliano

Recording by Rudolf Straube.

Recording identifiers

ISRC
DEB901200332
CopyrightID (CopyrightChains transaction hash)
0xaee880e542ade1075364ad17b7979001e3176256f6ec8e8fb6399c43cb427498
Copyright registration time
2026-07-07T17:12:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:aa912a19d2c8189e9adbf4c44909aacfa235e6235ee3bb2b0657d8f28e9494f1

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.