ISRC DEF057102412
Verified recording
DEF057102412 is “Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf0ccc2f66b4043ae2ceab08534ea845d0dee4e1cf7554b6cfbcfa062925c1c67 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/DEF057102412.
Recording identifiers
- ISRC
- DEF057102412
- Title
- Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: II. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf0ccc2f66b4043ae2ceab08534ea845d0dee4e1cf7554b6cfbcfa062925c1c67
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ea2c1019cd4ea59fdf2f24b9aacbd268e497b838b72f744726669121dee4d75b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102412
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: II. Larghetto · Machine-readable JSON-LD