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