ISRC DEF056800331
Verified recording
DEF056800331 is “Christ lag in Todes Banden, Cantata BWV 4: I. Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x291edd76de3b5639e480df5a59f95b9ecdbcb2b9c63590cf6f8ea1cb2522cd25 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800331.
Recording identifiers
- ISRC
- DEF056800331
- Title
- Christ lag in Todes Banden, Cantata BWV 4: I. Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x291edd76de3b5639e480df5a59f95b9ecdbcb2b9c63590cf6f8ea1cb2522cd25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:cdd16227abc783d986c64b992e53f006ea105e1e9472864f302f5ff3e2e606a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800331
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Christ lag in Todes Banden, Cantata BWV 4: I. Sinfonia · Machine-readable JSON-LD