ISRC FRZ208303408
Verified recording
FRZ208303408 is “Bach, JS: Notebook for Anna Magdalena Bach: No. 39, Choral. "Dir, dir, Jehova, will ich singen", BWV 299” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xbd52dfd2a61edc5159cee6ead704408bb7f564ddb009012ce43797a085e4bb34 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208303408.
Recording identifiers
- ISRC
- FRZ208303408
- Title
- Bach, JS: Notebook for Anna Magdalena Bach: No. 39, Choral. "Dir, dir, Jehova, will ich singen", BWV 299
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xbd52dfd2a61edc5159cee6ead704408bb7f564ddb009012ce43797a085e4bb34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d5136a6ec22fc4beecdb2b43b5a73600b346c6486cce975094c90a15143ed806- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208303408
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Bach, JS: Notebook for Anna Magdalena Bach: No. 39, Choral. "Dir, dir, Jehova, will ich singen", BWV 299 · Machine-readable JSON-LD