ISRC FRU622049003
Verified recording
FRU622049003 is “Ich hatte viel Bekümmernis, BWV 21: Aria "Seufzer, Tränen, Kummer, Not" (Soprano)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x6ab4f6cdfe2e44550ea7cad5011909ea0bf7b0192e3acc4a92a4f2fe6a45af44 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/FRU622049003.
Recording identifiers
- ISRC
- FRU622049003
- Title
- Ich hatte viel Bekümmernis, BWV 21: Aria "Seufzer, Tränen, Kummer, Not" (Soprano)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x6ab4f6cdfe2e44550ea7cad5011909ea0bf7b0192e3acc4a92a4f2fe6a45af44
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c3ba7fc7b7d5968c8060d03b96aefc2f92eb3a9b3f385f6b7ab5f4c20c69df14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU622049003
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Ich hatte viel Bekümmernis, BWV 21: Aria "Seufzer, Tränen, Kummer, Not" (Soprano) · Machine-readable JSON-LD