ISRC USDY41983731
Verified recording
USDY41983731 is “Practical Vocal Method: Lesson VIII the Appogiatura Taken from Above or Below in A Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xc4bf4211d47cd7d64697446dc9f736b53961f6c0d86d51bc4f075cf7755439bc and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983731.
Recording identifiers
- ISRC
- USDY41983731
- Title
- Practical Vocal Method: Lesson VIII the Appogiatura Taken from Above or Below in A Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xc4bf4211d47cd7d64697446dc9f736b53961f6c0d86d51bc4f075cf7755439bc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:45ea2ad2954790a148ef6ed012446f57a3bf1cd79a2af85a4de37b1c7b074da4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983731
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Practical Vocal Method: Lesson VIII the Appogiatura Taken from Above or Below in A Major · Machine-readable JSON-LD