Guitar Quintet No. 4 in D Major, G. 448: II. Allegro maestoso

Recording identifiers

ISRC

ES7891401806

Release date of the album this recording appears on

2014-07-01

CopyrightID (CopyrightChains transaction hash)

0xa9c2bf7678b3c98be74bfb4cb6a6360b5f36ac852446088a228a5c6a0a11b28a

Copyright registration time

2026-07-31T04:30:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T05:17:02Z

Bitcoin block

960348

Canonical record hash

sha256:cefb2d8472844762598d97b9fd2c8d0b8b6d249f2f5084d42fbbd636a55a0749

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC ES7891401806

What this proof establishes

This recording was released in 2014, 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.