12 Variations in C Major on "Ah, vous dirai-je Maman", K. 265/300e: Theme

Recording identifiers

ISRC

DEN962136201

CopyrightID (CopyrightChains transaction hash)

0x7157bb9c0e3422a01d9bfb3faee1dca5f78106619cc3963f21d9754c702d98ce

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T12:06:10Z

Bitcoin block

960254

Canonical record hash

sha256:bb4d5870b92e20fd844487addfc4a0385f78a95fca02df62a46dc913f89adae2

• 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.