ISRC CH9212100032
Verified recording
CH9212100032 is “Ich hatte viel Bekümmernis, BWV 21: 10. Arie (Sopran) - Erfreue dich, Seele - Live” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3d2a5d25534830585e40722abd9ed6c9c30542d0429ea0124058a7be500aa9cc and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100032.
Recording identifiers
- ISRC
- CH9212100032
- Title
- Ich hatte viel Bekümmernis, BWV 21: 10. Arie (Sopran) - Erfreue dich, Seele - Live
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3d2a5d25534830585e40722abd9ed6c9c30542d0429ea0124058a7be500aa9cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:6484d8f262190a040a05a41162eea6f9f5013d19380e9da111ac85269eb5b1d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100032
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21: 10. Arie (Sopran) - Erfreue dich, Seele - Live · Machine-readable JSON-LD