ISRC NLY331410889
Verified recording
NLY331410889 is “Clarinet Quintet in A Major, K. 581: II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdb7e5c880dcd56cd45fc71e8c9db917e60d9266d6ed401afa2478690dad75250 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410889.
Recording identifiers
- ISRC
- NLY331410889
- Title
- Clarinet Quintet in A Major, K. 581: II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdb7e5c880dcd56cd45fc71e8c9db917e60d9266d6ed401afa2478690dad75250
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:c8caef117123492178d7dbb53935225248160801c03903194c3c7c328a5bb5ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331410889
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Clarinet Quintet in A Major, K. 581: II. Larghetto · Machine-readable JSON-LD