ISRC NLA508021008
Verified recording
NLA508021008 is “6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 4” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x15381eef99d46d52231dd15be5ad996a7aa3382ffab159183624a9081cdef82e and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021008.
Recording identifiers
- ISRC
- NLA508021008
- Title
- 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 4
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x15381eef99d46d52231dd15be5ad996a7aa3382ffab159183624a9081cdef82e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:2283c5a071a05488c20e7cef301b980bf7e45a02b776bae0b9a2378ddb9518ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021008
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 4 · Machine-readable JSON-LD