ISRC NLK4J1900009
Verified recording
NLK4J1900009 is “O Lamm Gottes unschuldig, BWV Deest (Arr. For Piano Four Hands by György Kurtág)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4b3ea40a7a1a97eb8408f308ef8c7e2a7df3eb10a73289901dfca85f30241895 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900009.
Recording identifiers
- ISRC
- NLK4J1900009
- Title
- O Lamm Gottes unschuldig, BWV Deest (Arr. For Piano Four Hands by György Kurtág)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4b3ea40a7a1a97eb8408f308ef8c7e2a7df3eb10a73289901dfca85f30241895
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6938b9ba01b3b35667ce0875674739b8638ea836ea7750ab04c2fef8cce4c422- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J1900009
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: O Lamm Gottes unschuldig, BWV Deest (Arr. For Piano Four Hands by György Kurtág) · Machine-readable JSON-LD