ISRC USDY41983739

Verified recording

USDY41983739 is “Practical Vocal Method: The Grupetto or Turn in F Major” by Nicola Vaccai, registered on the CopyrightChains blockchain with CopyrightID 0xd9f1bfea9f2478c47f556ecf2ec86b95152a72a5a36887c048edcd1871961f71 and independently timestamped in Bitcoin block 960473 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983739.

Recording identifiers

ISRC
USDY41983739
Title
Practical Vocal Method: The Grupetto or Turn in F Major
Artist
Nicola Vaccai
CopyrightID (CopyrightChains transaction hash)
0xd9f1bfea9f2478c47f556ecf2ec86b95152a72a5a36887c048edcd1871961f71

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44+00:00
Bitcoin block
960473
Canonical record hash
sha256:6c2037554bf77d33a9ed00885929f12a513e956b9cd64e06755777db635c7799
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983739
Bitcoin block existence check
https://blockstream.info/api/block/960473

Full record

Track page: Practical Vocal Method: The Grupetto or Turn in F Major · Machine-readable JSON-LD