ISRC FRZ140339030
Verified recording
FRZ140339030 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: III. Recitativo "Wir müssen durch viel Trübsal"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x7670afcd10ba8a1c785649ddb8d60ce08028cce002b0d8aeef01f7c90c357bcf and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140339030.
Recording identifiers
- ISRC
- FRZ140339030
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: III. Recitativo "Wir müssen durch viel Trübsal"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x7670afcd10ba8a1c785649ddb8d60ce08028cce002b0d8aeef01f7c90c357bcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:4e4187be8de20acfc613bf16f3fac6b1634e54cdc39700450d7bc1754baaee62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140339030
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: III. Recitativo "Wir müssen durch viel Trübsal" · Machine-readable JSON-LD