ISRC FRZ141412010
Verified recording
FRZ141412010 is “Köthener Trauermusik, BWV 244a (Reconstructed Jourdain): No. 1, Chorus "Klagt, Kinder, klagt es aller Welt "” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x137a19998ace8a3c6b4a2684f876164bf483e2a3f80f7bb1373b56281f8dacdd and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141412010.
Recording identifiers
- ISRC
- FRZ141412010
- Title
- Köthener Trauermusik, BWV 244a (Reconstructed Jourdain): No. 1, Chorus "Klagt, Kinder, klagt es aller Welt "
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x137a19998ace8a3c6b4a2684f876164bf483e2a3f80f7bb1373b56281f8dacdd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b868eb611d3aba225b85279a97f9165327df3c121b67ec10bbdae74fae55ceb4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141412010
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Köthener Trauermusik, BWV 244a (Reconstructed Jourdain): No. 1, Chorus "Klagt, Kinder, klagt es aller Welt " · Machine-readable JSON-LD