ISRC FRU621427705
Verified recording
FRU621427705 is “Cantate "Ich Hatte Viel Bekümmernis" BWV 21: Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf86f85ba31e87ca2ffef5c1d592b9cd7fe46a08b6cc3f25c37de40b9da768c92 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/FRU621427705.
Recording identifiers
- ISRC
- FRU621427705
- Title
- Cantate "Ich Hatte Viel Bekümmernis" BWV 21: Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf86f85ba31e87ca2ffef5c1d592b9cd7fe46a08b6cc3f25c37de40b9da768c92
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a7444f7008cd95e76bd83f3e7d243c3f4048df293969b344432c7ffd5ee169d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621427705
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Cantate "Ich Hatte Viel Bekümmernis" BWV 21: Sinfonia · Machine-readable JSON-LD