ISRC USDY41990115
Verified recording
USDY41990115 is “Practical Vocal Method: Lesson XII Portamento in F-Sharp Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x15bb15c7436fbaf6e7fd2f386a98fc146b9573ebced6176a51d985b42bfd998f and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990115.
Recording identifiers
- ISRC
- USDY41990115
- Title
- Practical Vocal Method: Lesson XII Portamento in F-Sharp Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x15bb15c7436fbaf6e7fd2f386a98fc146b9573ebced6176a51d985b42bfd998f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:37d5b2ee4f754a7974d4ca5e6aa1a06332f1255fcd66b8c066622f0ca9117698- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990115
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Practical Vocal Method: Lesson XII Portamento in F-Sharp Major · Machine-readable JSON-LD