ISRC USDY41989848
Verified recording
USDY41989848 is “Practical Vocal Method: Portamento the Second Way in G Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x4e91c6ee5a7f387936a77e29fd5fe16c9b5193c91cc17dad66f0abe08a74bd22 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989848.
Recording identifiers
- ISRC
- USDY41989848
- Title
- Practical Vocal Method: Portamento the Second Way in G Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x4e91c6ee5a7f387936a77e29fd5fe16c9b5193c91cc17dad66f0abe08a74bd22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:0f00b0241072c5d24f8634da1eecb55bd880dadf8034a0bc8a486ed9ba2918b7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989848
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Practical Vocal Method: Portamento the Second Way in G Major · Machine-readable JSON-LD