ISRC FRZ149905230
Verified recording
FRZ149905230 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: II. Chorus "Weinen, Klagen, Sorgen, Zagen"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xa34f3c039c2e2d0912e42fccc0d914768cd03f3cb69ece62a7a164bed44967bf 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/FRZ149905230.
Recording identifiers
- ISRC
- FRZ149905230
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: II. Chorus "Weinen, Klagen, Sorgen, Zagen"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xa34f3c039c2e2d0912e42fccc0d914768cd03f3cb69ece62a7a164bed44967bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0037e75a374360f5b3b404633f09402e96969e9cf1a3fccd49d896dd5e231ee0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149905230
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: II. Chorus "Weinen, Klagen, Sorgen, Zagen" · Machine-readable JSON-LD