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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:be99658c16826f1a3da024a0cf9e249d840863056be93721e00c99aac3f6c16b

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.