ISRC NLA508021007
Verified recording
NLA508021007 is “6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 3” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x696b1d5a7669135374d030910062c96e7494e187cd277922ba27ee4d09e652e6 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021007.
Recording identifiers
- ISRC
- NLA508021007
- Title
- 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 3
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x696b1d5a7669135374d030910062c96e7494e187cd277922ba27ee4d09e652e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:da1ca6e1f572ab40520329b8224141ca6f0aeb4088f5a8b13214e5f88600d0b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021007
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: 6 Variations for Violin and Piano on "Hélas, j'ai perdu mon amant", K. 360: Var. 3 · Machine-readable JSON-LD