ISRC FRZ141208020
Verified recording
FRZ141208020 is “Concerto for two violins BWV 1043 in D Minor: Concerto for two violins BWV 1043 in D Minor: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x2478f527b46080deefdd1690870596657faa3ee1742f770c9613834a703a4ac4 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/FRZ141208020.
Recording identifiers
- ISRC
- FRZ141208020
- Title
- Concerto for two violins BWV 1043 in D Minor: Concerto for two violins BWV 1043 in D Minor: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x2478f527b46080deefdd1690870596657faa3ee1742f770c9613834a703a4ac4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:bbf8939e952f64be47bd3c03ac40a1f155b8315bbad4011b903cbafc9d877be5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141208020
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Concerto for two violins BWV 1043 in D Minor: Concerto for two violins BWV 1043 in D Minor: II. Largo ma non tanto · Machine-readable JSON-LD