ISRC ITBZ82200611
Verified recording
ITBZ82200611 is “Notebook for Anna Magdalena Bach (1722) [Excerpts], Air with Variations in C Minor, BWV 991 [Completed by A. Simonetto]: No. 3, Variation II” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x928bc189524f8389d4c90bca7bdb7f7100468d91a19280c44ba1d6baf5150b8e 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/ITBZ82200611.
Recording identifiers
- ISRC
- ITBZ82200611
- Title
- Notebook for Anna Magdalena Bach (1722) [Excerpts], Air with Variations in C Minor, BWV 991 [Completed by A. Simonetto]: No. 3, Variation II
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x928bc189524f8389d4c90bca7bdb7f7100468d91a19280c44ba1d6baf5150b8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:700c577c3bccd9193c711963f5f8cbf36f67e4d7fed358df37135961deb28d01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82200611
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach (1722) [Excerpts], Air with Variations in C Minor, BWV 991 [Completed by A. Simonetto]: No. 3, Variation II · Machine-readable JSON-LD