ISRC DEF058902552
Verified recording
DEF058902552 is “Concerto for Harpsichord, Strings, and Continuo No. 4 in A, BWV 1055: 2. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf84dc131fd5f5effa08e6e67edfbcffb58f6711e7fa4ea98da71142ee0658910 and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902552.
Recording identifiers
- ISRC
- DEF058902552
- Title
- Concerto for Harpsichord, Strings, and Continuo No. 4 in A, BWV 1055: 2. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf84dc131fd5f5effa08e6e67edfbcffb58f6711e7fa4ea98da71142ee0658910
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:cf6637256c2dc80dce903614b27d2ea5fe04b88d6b1c7a320fb26c366422939b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902552
- Bitcoin block existence check
- https://blockstream.info/api/block/960268
Full record
Track page: Concerto for Harpsichord, Strings, and Continuo No. 4 in A, BWV 1055: 2. Larghetto · Machine-readable JSON-LD