ISRC DEF056100711
Verified recording
DEF056100711 is “Double Concerto for 2 Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x080a96783c761321647f605127ed1c110e25309fab0d28a2d2cce9ee2076199d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100711.
Recording identifiers
- ISRC
- DEF056100711
- Title
- Double Concerto for 2 Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x080a96783c761321647f605127ed1c110e25309fab0d28a2d2cce9ee2076199d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:63954338409b309847a1051f20f4740c2a47aa156f40caa9bcb49bb20e4b0132- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100711
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Double Concerto for 2 Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD