Variations on a Theme by Corelli

Recording identifiers

ISRC

DEF056120220

CopyrightID (CopyrightChains transaction hash)

0xc4d4074a3caa6687d2772b4c23d9d1dedfcb0acc2c0cef3fbc63431a5e08de87

Copyright registration time

2026-07-06T10:52:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T09:18:01Z

Bitcoin block

957020

Canonical record hash

sha256:4a09c513e19e1390127093e3c104f40be154426cdf10103998dfd860ec12a4f9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.