ISRC DELW72393617
Verified recording
DELW72393617 is “Die Geheimnisse der Harmonie, Chapter 4 "Durchlauchtester Leopold": Kapellmeister in Köthen” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x56545d0ccb6a79a1cbe2b650091b28c4fd2a42674acd8399f731b101522da9ee and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72393617.
Recording identifiers
- ISRC
- DELW72393617
- Title
- Die Geheimnisse der Harmonie, Chapter 4 "Durchlauchtester Leopold": Kapellmeister in Köthen
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x56545d0ccb6a79a1cbe2b650091b28c4fd2a42674acd8399f731b101522da9ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:59b1f3c92941586f9a91fca1121658a41f6162a165bd1fa0becced9a8fac19b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW72393617
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Die Geheimnisse der Harmonie, Chapter 4 "Durchlauchtester Leopold": Kapellmeister in Köthen · Machine-readable JSON-LD