Widor: Organ Symphony No. 5 in F Minor, Op. 42 No. 1: V. Toccata

Recording identifiers

ISRC

FRZ200500061

Release date of the album this recording appears on

1970

CopyrightID (CopyrightChains transaction hash)

0x3aae1a89d85f8e9bfab5554bac0fde1eb0d25a3a6e544e2400377e6f81be8aca

Copyright registration time

2026-07-29T13:35:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T14:28:24Z

Bitcoin block

960117

Canonical record hash

sha256:475bdccf0412041c4ae46e7f5f67d9eb26130575e07c0112491f6c4d59f96203

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FRZ200500061

What this proof establishes

This recording was released in 1970, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.