ISRC CH9212100029
Verified recording
CH9212100029 is “Ich hatte viel Bekümmernis, BWV 21: 7. Rezitativ (Duett Sopran, Bass) - Ach Jesu, meine Ruh - Live” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x20fcd4cb9475cde146ec3831141586ef53e54ed84262c7415ce1313fb37448a2 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100029.
Recording identifiers
- ISRC
- CH9212100029
- Title
- Ich hatte viel Bekümmernis, BWV 21: 7. Rezitativ (Duett Sopran, Bass) - Ach Jesu, meine Ruh - Live
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x20fcd4cb9475cde146ec3831141586ef53e54ed84262c7415ce1313fb37448a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:14e80b9b5c0a6c58034042f97e1b28d3372a5abef6cb723053c1e35a599f8284- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100029
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21: 7. Rezitativ (Duett Sopran, Bass) - Ach Jesu, meine Ruh - Live · Machine-readable JSON-LD