ISRC USBC10900737
Verified recording
USBC10900737 is “Cantata BWV 61 "Nun komm der Heiden Heiland": IV. Recitativo: Siehe, ich stehe vor der Tür” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xb56f21016150c9c026f40be198edbc2b2dfcc6ed81cc6543aad6d9aad2cabd0e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10900737.
Recording identifiers
- ISRC
- USBC10900737
- Title
- Cantata BWV 61 "Nun komm der Heiden Heiland": IV. Recitativo: Siehe, ich stehe vor der Tür
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xb56f21016150c9c026f40be198edbc2b2dfcc6ed81cc6543aad6d9aad2cabd0e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c5f343b6353ea91a7530e7302f41b7fb1ea1335b46d94770d0c8ac23e256ac04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10900737
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Cantata BWV 61 "Nun komm der Heiden Heiland": IV. Recitativo: Siehe, ich stehe vor der Tür · Machine-readable JSON-LD