ISRC DEF059202041
Verified recording
DEF059202041 is “Nun komm, der Heiden Heiland, Cantata BWV 61: No. 1 "Nun komm, der Heiden Heiland"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4a3479b14f1fe83a548ea1fc86ccd60f95bbfb39cf1563d042fc016f6e12ad48 and independently timestamped
in Bitcoin block 960266 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202041.
Recording identifiers
- ISRC
- DEF059202041
- Title
- Nun komm, der Heiden Heiland, Cantata BWV 61: No. 1 "Nun komm, der Heiden Heiland"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4a3479b14f1fe83a548ea1fc86ccd60f95bbfb39cf1563d042fc016f6e12ad48
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:44:50+00:00
- Bitcoin block
- 960266
- Canonical record hash
sha256:52c066af06cdd0a338fdd172984da1b8749d224e7319ba753a08792708c251a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202041
- Bitcoin block existence check
- https://blockstream.info/api/block/960266
Full record
Track page: Nun komm, der Heiden Heiland, Cantata BWV 61: No. 1 "Nun komm, der Heiden Heiland" · Machine-readable JSON-LD