ISRC ITB001500384
Verified recording
ITB001500384 is “Keyboard Concerto No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf2d8d6db02e084a3fae719ca704c08bb976a4ab4a772415e3133e7afdf8770de 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/ITB001500384.
Recording identifiers
- ISRC
- ITB001500384
- Title
- Keyboard Concerto No. 4 in A Major, BWV 1055: II. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf2d8d6db02e084a3fae719ca704c08bb976a4ab4a772415e3133e7afdf8770de
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:65627f931c9a8d8c06a3dfd9e269d2601924685e780b85b83d2902cc18926502- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITB001500384
- 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