ISRC USSM11409978
Verified recording
USSM11409978 is “Keyboard Concerto No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8a01fda195834ca76dfb453e3332e90332e3a813d0ef799e2894d73ad961545b 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/USSM11409978.
Recording identifiers
- ISRC
- USSM11409978
- Title
- Keyboard Concerto No. 4 in A Major, BWV 1055: II. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8a01fda195834ca76dfb453e3332e90332e3a813d0ef799e2894d73ad961545b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:07e248032491a9d94c589666c1bb2c9222511c06a39f9c9c2c852118cd5594f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11409978
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Keyboard Concerto No. 4 in A Major, BWV 1055: II. Larghetto · Machine-readable JSON-LD