ISRC USDY41983737
Verified recording
USDY41983737 is “Practical Vocal Method: Lesson X Introductory to the Grupetto or Turn in F Major, Allegretto” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xdc32c54ce07a007a8a4aa6b7d58c02d3239ec6154132a5d3df8d03c288fb6dd2 and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983737.
Recording identifiers
- ISRC
- USDY41983737
- Title
- Practical Vocal Method: Lesson X Introductory to the Grupetto or Turn in F Major, Allegretto
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xdc32c54ce07a007a8a4aa6b7d58c02d3239ec6154132a5d3df8d03c288fb6dd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:e362fab95c321b56bfb8b1bae52a84c5d532bd29f322573a56726f507852bf8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983737
- Bitcoin block existence check
- https://blockstream.info/api/block/960429
Full record
Track page: Practical Vocal Method: Lesson X Introductory to the Grupetto or Turn in F Major, Allegretto · Machine-readable JSON-LD