ISRC FRZ207802602
Verified recording
FRZ207802602 is “Bach, JS: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4df843ab42e73c58b254d5ae736b776591b45b22b6e6514e3c0509b0484abe81 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207802602.
Recording identifiers
- ISRC
- FRZ207802602
- Title
- Bach, JS: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4df843ab42e73c58b254d5ae736b776591b45b22b6e6514e3c0509b0484abe81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:87a42e647d6bca93834aeff5afb80a192dad3dfe219df9a5844c0c393332107d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207802602
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Bach, JS: Concerto for Two Violins in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD