ISRC GBBBA1100690
Verified recording
GBBBA1100690 is “Cantata No. 21, BWV 21 "Ich hatte viel Bekümmernis": Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x06dcefb096b9e15efd2f7a3c4fad974dc16c8f1d945fc3d191c9cd698755751d 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/GBBBA1100690.
Recording identifiers
- ISRC
- GBBBA1100690
- Title
- Cantata No. 21, BWV 21 "Ich hatte viel Bekümmernis": Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x06dcefb096b9e15efd2f7a3c4fad974dc16c8f1d945fc3d191c9cd698755751d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4d553dbde1fb0115f8cf36af5dcb81250b97be8ecef8ba0f9a3ff9fba030b1f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1100690
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Cantata No. 21, BWV 21 "Ich hatte viel Bekümmernis": Sinfonia · Machine-readable JSON-LD