ISRC DEF057901062
Verified recording
DEF057901062 is “Concerto for Solo Keyboard No. 1 in D Major, BWV 972 (After Vivaldi, RV 230): II. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x1315ca264c54b791b9f728b00c6ba51acd7b6054fa7be875bef5a3700b90df84 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901062.
Recording identifiers
- ISRC
- DEF057901062
- Title
- Concerto for Solo Keyboard No. 1 in D Major, BWV 972 (After Vivaldi, RV 230): II. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x1315ca264c54b791b9f728b00c6ba51acd7b6054fa7be875bef5a3700b90df84
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:bc18db37359aeff5294ffe73be6caff7ede47201b42be0b055b7d1d4ea51347e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901062
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Concerto for Solo Keyboard No. 1 in D Major, BWV 972 (After Vivaldi, RV 230): II. Larghetto · Machine-readable JSON-LD