ISRC USDY41990120
Verified recording
USDY41990120 is “Practical Vocal Method: Lesson XV Recapitulation in E Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x7c85bbcc476130ae2d4581a22cfa4cb53039f350c93828cd7523f75b3be816cf 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/USDY41990120.
Recording identifiers
- ISRC
- USDY41990120
- Title
- Practical Vocal Method: Lesson XV Recapitulation in E Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x7c85bbcc476130ae2d4581a22cfa4cb53039f350c93828cd7523f75b3be816cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1ed424a29458713c8cc05434f67e53922e96dbd5b2c5340e874dd2f990a63d78- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990120
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Lesson XV Recapitulation in E Major · Machine-readable JSON-LD