ISRC USDY41989826
Verified recording
USDY41989826 is “Practical Vocal Method: Lesson III Intervals of the Sixth in B-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xe16b580178ab415b12cbe739f1361f39fb750ef203752798fb3281a7de82fbd8 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989826.
Recording identifiers
- ISRC
- USDY41989826
- Title
- Practical Vocal Method: Lesson III Intervals of the Sixth in B-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xe16b580178ab415b12cbe739f1361f39fb750ef203752798fb3281a7de82fbd8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:7e45dff6377c55aeb75ba380595d1316d0068e28201fced63e8f45526d74c450- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989826
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: Practical Vocal Method: Lesson III Intervals of the Sixth in B-Flat Major · Machine-readable JSON-LD