ISRC DEU921242503
Verified recording
DEU921242503 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: Recitative: Wir mussen durch viel Trubsal (Alto)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xa8d40a2bf59d9f4ae92ca19cbe2d0954aeff1c0d7f83b2bc22f614764d7905f7 and independently timestamped
in Bitcoin block 954130 on 2026-06-17.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242503.
Recording identifiers
- ISRC
- DEU921242503
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: Recitative: Wir mussen durch viel Trubsal (Alto)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xa8d40a2bf59d9f4ae92ca19cbe2d0954aeff1c0d7f83b2bc22f614764d7905f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-17T19:07:14+00:00
- Bitcoin block
- 954130
- Canonical record hash
sha256:b830b9f2e78253af7047c4e28175917b73f1243dbc659fc4eded8e0648f966cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242503
- Bitcoin block existence check
- https://blockstream.info/api/block/954130
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: Recitative: Wir mussen durch viel Trubsal (Alto) · Machine-readable JSON-LD