蕭邦: a小調華麗圓舞曲, 作品34-2 (爵士鋼琴)

Recording identifiers

ISRC

TWAA72201147

CopyrightID (CopyrightChains transaction hash)

0xc223031f1e1409cb4595f2bd5b6cb36ad56e5e5c77b82eed92b64cb703411d5c

Copyright registration time

2026-06-27T22:35:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:8322b9b1e920c28119882bae285f5ca9f1010d2e71b32ad1db3614f2be29333c

• 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.