ISRC NLA508201008
Verified recording
NLA508201008 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
0x3a854a7317a952bd8bd211d5192c5977b95f10e34f7cdc5acda260e586b02d54 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/NLA508201008.
Recording identifiers
- ISRC
- NLA508201008
- Title
- Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3a854a7317a952bd8bd211d5192c5977b95f10e34f7cdc5acda260e586b02d54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b48aff4941dbc805b06dda12adc51a6c7659ca0dfd46b33919b5db37c5148236- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508201008
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD