Toccata & Fugue in D Minor

Recording by Ferdinand Lang.

Recording identifiers

ISRC
QMDA61350824
CopyrightID (CopyrightChains transaction hash)
0xe5c52fd00251a7ff17ea1102e270647ed0df21c364b54a09b73cc1a52f855963
Copyright registration time
2026-07-07T14:33:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f565b339ad1ae5a4f39cfde58733bde865869319cd5aef9bbe03d327121e2856

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.