ISRC FRZ209907690
Verified recording
FRZ209907690 is “Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xeff4fdda05f08d7b8e68ca67effb23ca89582ee8069c68cb1087555c301b3035 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/FRZ209907690.
Recording identifiers
- ISRC
- FRZ209907690
- Title
- Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xeff4fdda05f08d7b8e68ca67effb23ca89582ee8069c68cb1087555c301b3035
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:26dbba6f574dddb87495fd3d6845c06795fe00058227fdae3d3f416a018abbce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907690
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut" · Machine-readable JSON-LD