ISRC FRU621223703
Verified recording
FRU621223703 is “Musical Offering, BWV 1079, Sonata sopr'il Soggetto Reale à Traversa, Violino e Continuo: I. Largo” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x7eb5eef9e940f6c296e5f6173e751e3f140325f9a77f0b9b741e8de7a9894589 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621223703.
Recording identifiers
- ISRC
- FRU621223703
- Title
- Musical Offering, BWV 1079, Sonata sopr'il Soggetto Reale à Traversa, Violino e Continuo: I. Largo
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x7eb5eef9e940f6c296e5f6173e751e3f140325f9a77f0b9b741e8de7a9894589
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:97f233962b256b201c8e535f2fb5fe40f622a286aaca910295eb471e563dbd50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621223703
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Musical Offering, BWV 1079, Sonata sopr'il Soggetto Reale à Traversa, Violino e Continuo: I. Largo · Machine-readable JSON-LD