ISRC NLA508021009
Verified recording
NLA508021009 is “6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 5. Maggiore” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x527b47924e9212b7cd30c77241ca766466b822ca10379f41c802481d9b402927 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021009.
Recording identifiers
- ISRC
- NLA508021009
- Title
- 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 5. Maggiore
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x527b47924e9212b7cd30c77241ca766466b822ca10379f41c802481d9b402927
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:4c50f3f6612a46e0e778b3a5d8a5a2875433cbe3be5f1757dbf17a47003cd7d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021009
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 5. Maggiore · Machine-readable JSON-LD