18の練習曲作品109　第4曲　ボヘミアン

Recording identifiers

ISRC

JPU941800100

CopyrightID (CopyrightChains transaction hash)

0xd12d4d4392051ebc1b35dc3c84cd2cb2eb19ac78c719c5a400ca5c2122696112

Copyright registration time

2026-08-01T00:35:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T01:44:32Z

Bitcoin block

960494

Canonical record hash

sha256:3e2450eeaedd2b346e07ae16b03099da81f64fcf313f0ac53cfd351025e89d30

• 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.