Enlarged Heart / Improvisation on A. Vivaldi: Largo from Cello Sonata No.6

Recording identifiers

ISRC

DED992100020

Release date of the album this recording appears on

2021-03-26

CopyrightID (CopyrightChains transaction hash)

0x572757fa186c41c276b713d8b2f3a2f281f92f267cf2de826657aebfb37de83f

Copyright registration time

2026-07-29T20:41:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T21:09:47Z

Bitcoin block

960144

Canonical record hash

sha256:4c9cd20c1fad46d4b2eb093608df8be0c378d6de3b74fce8baf23961db70582a

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DED992100020

What this proof establishes

This recording was released in 2021, 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.