ISRC NLA508721603
Verified recording
NLA508721603 is “Die Schuldigkeit des ersten Gebots, K.35: "Mit Jammer muss ich schauen"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x409b9d70397c7e55542c0e72b2e30af4c815b2636d001a6aa154a09f9b164eae and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508721603.
Recording identifiers
- ISRC
- NLA508721603
- Title
- Die Schuldigkeit des ersten Gebots, K.35: "Mit Jammer muss ich schauen"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x409b9d70397c7e55542c0e72b2e30af4c815b2636d001a6aa154a09f9b164eae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:7e1aa40616b115ab95cc142ef5d6a13a045079d914a4056091cbab4ccf52878d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508721603
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Die Schuldigkeit des ersten Gebots, K.35: "Mit Jammer muss ich schauen" · Machine-readable JSON-LD