ISRC USDY41983728

Verified recording

USDY41983728 is “Practical Vocal Method: Lesson VII Runs and Scale Passages in A Major, Andantino” by Nicola Vaccai, registered on the CopyrightChains blockchain with CopyrightID 0x2af0bc4d2d732c8fb7c1519755099041eea7012edbaa049a3cd2a189aa25b886 and independently timestamped in Bitcoin block 960187 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983728.

Recording identifiers

ISRC
USDY41983728
Title
Practical Vocal Method: Lesson VII Runs and Scale Passages in A Major, Andantino
Artist
Nicola Vaccai
CopyrightID (CopyrightChains transaction hash)
0x2af0bc4d2d732c8fb7c1519755099041eea7012edbaa049a3cd2a189aa25b886

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T01:34:28+00:00
Bitcoin block
960187
Canonical record hash
sha256:e29d4c5f3b448ee4eca0841c69ad35bbfabe66fe70153ea7f923a18cf5bf70d2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983728
Bitcoin block existence check
https://blockstream.info/api/block/960187

Full record

Track page: Practical Vocal Method: Lesson VII Runs and Scale Passages in A Major, Andantino · Machine-readable JSON-LD