ISRC USDY41990118
Verified recording
USDY41990118 is “Practical Vocal Method: Lesson XIV the Recitativo in B-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x6f2c4e88596bc1d6a0e7e5603a9c2a47127e04f7465d65f4aa3dd5eaba552fe2 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990118.
Recording identifiers
- ISRC
- USDY41990118
- Title
- Practical Vocal Method: Lesson XIV the Recitativo in B-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x6f2c4e88596bc1d6a0e7e5603a9c2a47127e04f7465d65f4aa3dd5eaba552fe2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:5baada869f8903da84d28840606a380b0010987a67b680db9e8577e8988cc332- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990118
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Practical Vocal Method: Lesson XIV the Recitativo in B-Flat Major · Machine-readable JSON-LD