ISRC USDY41989822
Verified recording
USDY41989822 is “Practical Vocal Method: Lesson I the Diatonic Scale in C Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xd6b4e0ce50be188155bab35fee4d1767f77384159b7869db56b1cefc8da541da and independently timestamped
in Bitcoin block 956894 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989822.
Recording identifiers
- ISRC
- USDY41989822
- Title
- Practical Vocal Method: Lesson I the Diatonic Scale in C Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xd6b4e0ce50be188155bab35fee4d1767f77384159b7869db56b1cefc8da541da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:53:57+00:00
- Bitcoin block
- 956894
- Canonical record hash
sha256:48cefbfb822226eb35022d0d28b1722e5e69d5eb3aef9d1a243232416a0b14fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989822
- Bitcoin block existence check
- https://blockstream.info/api/block/956894
Full record
Track page: Practical Vocal Method: Lesson I the Diatonic Scale in C Major · Machine-readable JSON-LD