ISRC DEF057102092
Verified recording
DEF057102092 is “Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x927e6880e312750c509159b742ae24f9ffcc62956b1bda26258df17c1b644a19 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/DEF057102092.
Recording identifiers
- ISRC
- DEF057102092
- Title
- Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x927e6880e312750c509159b742ae24f9ffcc62956b1bda26258df17c1b644a19
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4ed8dedb2ec7e92e24526cf9b50b798b80a7da48600f44931c3b270a5aea8bf3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102092
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD