ISRC DEF058300521
Verified recording
DEF058300521 is “Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Largo” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x853cc3b647d5f0a4f5ed0802a74a826cdf136a4fc3580497a29111d6fb7c4df4 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/DEF058300521.
Recording identifiers
- ISRC
- DEF058300521
- Title
- Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Largo
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x853cc3b647d5f0a4f5ed0802a74a826cdf136a4fc3580497a29111d6fb7c4df4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6cd4664cd481e7f3bc3306d6ddd12cb936bcbf5a8c66237fedc424e6d08d184c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300521
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata For Violin And Harpsichord No. 4 In C Minor, BWV 1017: 1. Largo · Machine-readable JSON-LD