Passacaglia in G Minor

Recording by Georg Muffat.

Recording identifiers

ISRC
FR50X1421210
CopyrightID (CopyrightChains transaction hash)
0x3b726d2f48a185b4c1c223264fba40308de010d9aa59ccf3e5d7669f51b4fdc7
Copyright registration time
2026-07-07T01:45:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b86aa1bfc91479dd8a5daca59d172b58cd17e19c146ade107885674b6e95f0b2

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.