ISRC DEU921242504
Verified recording
DEU921242504 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: Aria: Kreuz und Krone sind verbunden (Alto)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x38b9ca5eebf3660b437a25fb2cf1af4f7793ffefa5763ad6fc42c39d6132ce6c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242504.
Recording identifiers
- ISRC
- DEU921242504
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: Aria: Kreuz und Krone sind verbunden (Alto)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x38b9ca5eebf3660b437a25fb2cf1af4f7793ffefa5763ad6fc42c39d6132ce6c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:cc75eefad946c599012c746d7af2dd4e8e95ffa48e7ee62f62e529507dae7353- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242504
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: Aria: Kreuz und Krone sind verbunden (Alto) · Machine-readable JSON-LD