ISRC NLA507100965
Verified recording
NLA507100965 is “Le nozze di Figaro / Act 4: "In quegli anni in cui val poco"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc696f9fd92e2e3e3a6d3b1fc006f9c95c28069db1009cfd76d3d70a063eb5985 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100965.
Recording identifiers
- ISRC
- NLA507100965
- Title
- Le nozze di Figaro / Act 4: "In quegli anni in cui val poco"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc696f9fd92e2e3e3a6d3b1fc006f9c95c28069db1009cfd76d3d70a063eb5985
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:37bdcb7cea64cbc8260178d9d79c3f749e780b01d532ca098d824acc19d5cc0e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100965
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Le nozze di Figaro / Act 4: "In quegli anni in cui val poco" · Machine-readable JSON-LD