ISRC USDY41989824
Verified recording
USDY41989824 is “Practical Vocal Method: Lesson II Intervals of the Fourth in G Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x90a90b6a4c858b8eeb5e19703ea068ba73d3e8b35c660e5a9128efb57e911dfe and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989824.
Recording identifiers
- ISRC
- USDY41989824
- Title
- Practical Vocal Method: Lesson II Intervals of the Fourth in G Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x90a90b6a4c858b8eeb5e19703ea068ba73d3e8b35c660e5a9128efb57e911dfe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1f1ae065087141c19eb835693d0f4a4dfaf0b047af52c4fd602ec570fdce2463- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989824
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Lesson II Intervals of the Fourth in G Major · Machine-readable JSON-LD