Variations on a Theme of Chopin: Variation 18. Più mosso

Recording identifiers

ISRC

GBBBA1140019

CopyrightID (CopyrightChains transaction hash)

0xcc5e49b685b1261761344fc0052f136749cc67838c4dc2415f1ee330a1190de4

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T01:32:48Z

Bitcoin block

960185

Canonical record hash

sha256:6104680b0c0d80f25719a4c35a9412cc42d8b6b11aa1ed242445d1fc6d6fdd8c

• 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.