ISRC USDY41990079
Verified recording
USDY41990079 is “Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x96d5293fe01a30db1d5c6e835f567067796770383cbbb6ac2a050eb017667fed and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990079.
Recording identifiers
- ISRC
- USDY41990079
- Title
- Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x96d5293fe01a30db1d5c6e835f567067796770383cbbb6ac2a050eb017667fed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:c40e6c88b0881bb7bafcb9c88e40b12ed988ac7af8e8e6a919f2b01a3f7838b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990079
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major · Machine-readable JSON-LD