ISRC CH9212100025
Verified recording
CH9212100025 is “Ich hatte viel Bekümmernis, BWV 21: 3. Arie (Sopran) - Seufzer, Tränen, Kummer, Not - Live” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x2467877611678dd99514a81d337b3b301687dd5b9aef9d50bf8b1c0498f11b00 and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100025.
Recording identifiers
- ISRC
- CH9212100025
- Title
- Ich hatte viel Bekümmernis, BWV 21: 3. Arie (Sopran) - Seufzer, Tränen, Kummer, Not - Live
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x2467877611678dd99514a81d337b3b301687dd5b9aef9d50bf8b1c0498f11b00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:e3b7827891347afb53ab2d868c751d8b08ad44e807b97959070863e4566bb68b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212100025
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21: 3. Arie (Sopran) - Seufzer, Tränen, Kummer, Not - Live · Machine-readable JSON-LD