ISRC CH9212300038
Verified recording
CH9212300038 is “Warum betrübst du dich, mein Herz, BWV 138: III. Choral und Rezitativ (Sopran, Alt) - Er kann und will dich lassen nicht” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x5e412a83a8d77cf7ed3ec11765375a0b0c12325fdef8eadae48a4ab9a020e29e 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/CH9212300038.
Recording identifiers
- ISRC
- CH9212300038
- Title
- Warum betrübst du dich, mein Herz, BWV 138: III. Choral und Rezitativ (Sopran, Alt) - Er kann und will dich lassen nicht
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x5e412a83a8d77cf7ed3ec11765375a0b0c12325fdef8eadae48a4ab9a020e29e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:52a78d8bbceb480ef73dd0fa88e745d9aa49b60a06f901391ca61537d01827e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212300038
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Warum betrübst du dich, mein Herz, BWV 138: III. Choral und Rezitativ (Sopran, Alt) - Er kann und will dich lassen nicht · Machine-readable JSON-LD