ISRC DES381919004
Verified recording
DES381919004 is “Cantata "Weinen, Klagen, Sorgen, Zagen", BWV 12: Sinfonia. Adagio assai” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4ebda6feb40235d1c7bf7fbc49ee42e1d0d001960e53908972b428f864db9ba1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381919004.
Recording identifiers
- ISRC
- DES381919004
- Title
- Cantata "Weinen, Klagen, Sorgen, Zagen", BWV 12: Sinfonia. Adagio assai
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4ebda6feb40235d1c7bf7fbc49ee42e1d0d001960e53908972b428f864db9ba1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8fb661c84a3bd78f0dd0e76463701459ad727811333d0d4ea5dc078cfbed166b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381919004
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Cantata "Weinen, Klagen, Sorgen, Zagen", BWV 12: Sinfonia. Adagio assai · Machine-readable JSON-LD