ISRC USDY41983723
Verified recording
USDY41983723 is “Practical Vocal Method: Lesson III Intervals of the Sixth in C Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x9ffb5a471bf45e2309fdd0efe71721f58eaab328a39a009758264fd3187c05b9 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983723.
Recording identifiers
- ISRC
- USDY41983723
- Title
- Practical Vocal Method: Lesson III Intervals of the Sixth in C Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x9ffb5a471bf45e2309fdd0efe71721f58eaab328a39a009758264fd3187c05b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:912fd28fbbb5a1ed1f79ddebc9ff7f07bdbd8cdaada357bf66cef4fad12e0a71- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983723
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Practical Vocal Method: Lesson III Intervals of the Sixth in C Major · Machine-readable JSON-LD