ISRC USDY41990113
Verified recording
USDY41990113 is “Practical Vocal Method: Lesson XII Runs and Scale Passages in B-Flat Major, Andantino” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xfc3942ce01af269c5406dddfe9b3eac81c53fd5aab08e7676f731631b5cc8c52 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/USDY41990113.
Recording identifiers
- ISRC
- USDY41990113
- Title
- Practical Vocal Method: Lesson XII Runs and Scale Passages in B-Flat Major, Andantino
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xfc3942ce01af269c5406dddfe9b3eac81c53fd5aab08e7676f731631b5cc8c52
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:cfa7c6f5b4e170b5f71f5c7dffd3d3b50918ca0b435d37cbd3d1d84cedf07449- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990113
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Lesson XII Runs and Scale Passages in B-Flat Major, Andantino · Machine-readable JSON-LD