ISRC FR50X2303408
Verified recording
FR50X2303408 is “The Well-Tempered Clavier, Book II: Prelude and Fugue No. 4 in C-Sharp Minor, BWV 873: II. Fugue” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xd94e1babc0d1867435945764c5a48714933fea886f588ed6de0325533cc5d7ab and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2303408.
Recording identifiers
- ISRC
- FR50X2303408
- Title
- The Well-Tempered Clavier, Book II: Prelude and Fugue No. 4 in C-Sharp Minor, BWV 873: II. Fugue
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xd94e1babc0d1867435945764c5a48714933fea886f588ed6de0325533cc5d7ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9699a842921daf7682d0a58e6268eef96d4c8a3992eb808bff89d2d7fbea680e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2303408
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Well-Tempered Clavier, Book II: Prelude and Fugue No. 4 in C-Sharp Minor, BWV 873: II. Fugue · Machine-readable JSON-LD