ISRC USDY41989869
Verified recording
USDY41989869 is “Practical Vocal Method: Lesson III Intervals of the Sixth in A-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x0df12b17d6a234567ceff592e0af63d3ea6440cd182ea9953b94201b1be61def 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/USDY41989869.
Recording identifiers
- ISRC
- USDY41989869
- Title
- Practical Vocal Method: Lesson III Intervals of the Sixth in A-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x0df12b17d6a234567ceff592e0af63d3ea6440cd182ea9953b94201b1be61def
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a1f2bb123ba296d3436bd6f5e340734cea9ea227e918a4c398681b3423f3a97a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989869
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Lesson III Intervals of the Sixth in A-Flat Major · Machine-readable JSON-LD