Passacaglia

Recording by Silvius Leopold Weiss.

Recording identifiers

ISRC
USSM12303904
CopyrightID (CopyrightChains transaction hash)
0x25e042bd499f902fbb168e200cd7f0b824a23fa9e6f0f034a589407c5a2f3b50
Copyright registration time
2026-06-05T18:26:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:ef80ae214ba343fa1c5f99a736274016d9a3ccc4e561de3be7ed8c992ef414e7

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.