ISRC USSM19911582
Verified recording
USSM19911582 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
0x0672f96408caa380d95ecc2bb8b513b30270a26e894eac895f49ccbebbb006d6 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19911582.
Recording identifiers
- ISRC
- USSM19911582
- Title
- Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x0672f96408caa380d95ecc2bb8b513b30270a26e894eac895f49ccbebbb006d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:261d41b74ce24f3747faa51420f8fed9c0f0f273cf890358fedf6b2409a64625- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19911582
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD