ISRC CH9212100031
Verified recording
CH9212100031 is “Ich hatte viel Bekümmernis, BWV 21: 9. Chor - Sei nun wieder zufrieden - Live” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xd4dfd255694fffa1c34d4398300ed836ae13d2b8cb51267b36d080384237be47 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100031.
Recording identifiers
- ISRC
- CH9212100031
- Title
- Ich hatte viel Bekümmernis, BWV 21: 9. Chor - Sei nun wieder zufrieden - Live
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xd4dfd255694fffa1c34d4398300ed836ae13d2b8cb51267b36d080384237be47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:f846b0b30819ceedbc0fbcae4028f85af2d89646e7a2f64dd84622462255cf14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100031
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21: 9. Chor - Sei nun wieder zufrieden - Live · Machine-readable JSON-LD