ISRC USDY41983721
Verified recording
USDY41983721 is “Practical Vocal Method: Intervals of the Fifth in E-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xb231108a552844e6aff9be29020aaf815efbca7b3bcda57b4603bf27aa54cdca and independently timestamped
in Bitcoin block 960183 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983721.
Recording identifiers
- ISRC
- USDY41983721
- Title
- Practical Vocal Method: Intervals of the Fifth in E-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xb231108a552844e6aff9be29020aaf815efbca7b3bcda57b4603bf27aa54cdca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:10:20+00:00
- Bitcoin block
- 960183
- Canonical record hash
sha256:5934be756fbe9e7eace89e0797fd3dfa204cb02f072f110d52d37bae36396969- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983721
- Bitcoin block existence check
- https://blockstream.info/api/block/960183
Full record
Track page: Practical Vocal Method: Intervals of the Fifth in E-Flat Major · Machine-readable JSON-LD