ISRC USDY41990116
Verified recording
USDY41990116 is “Practical Vocal Method: Lesson XII Portamento in G Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xcb036703133a0d75552a5fce57cdf2ed44258764dc14f37076ae5c0ec8f56340 and independently timestamped
in Bitcoin block 957032 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990116.
Recording identifiers
- ISRC
- USDY41990116
- Title
- Practical Vocal Method: Lesson XII Portamento in G Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xcb036703133a0d75552a5fce57cdf2ed44258764dc14f37076ae5c0ec8f56340
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T11:43:09+00:00
- Bitcoin block
- 957032
- Canonical record hash
sha256:92313dc52bda31e6eca81bc8e2e31f3cc078e97cbb1fb8fa0ff4091b0bc8057a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990116
- Bitcoin block existence check
- https://blockstream.info/api/block/957032
Full record
Track page: Practical Vocal Method: Lesson XII Portamento in G Major · Machine-readable JSON-LD