ISRC USDY41983741
Verified recording
USDY41983741 is “Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in G Major, Allegro Moderato” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xe70465f4add49a29c65e23d1e0b8e5fadf26cfceac7b980c4cdbccbaf8f456ef and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983741.
Recording identifiers
- ISRC
- USDY41983741
- Title
- Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in G Major, Allegro Moderato
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xe70465f4add49a29c65e23d1e0b8e5fadf26cfceac7b980c4cdbccbaf8f456ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a85d644a1f13b8b38061faad53afc220f350769fff4966d77b24bcc3394f7478- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983741
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in G Major, Allegro Moderato · Machine-readable JSON-LD