ISRC USDY41989829
Verified recording
USDY41989829 is “Practical Vocal Method: Lesson V Half Tones or Semitones in F Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xb76d493369321d284333c569f96e91b0ce764185513c0f8dcf9d19333bd3522a 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/USDY41989829.
Recording identifiers
- ISRC
- USDY41989829
- Title
- Practical Vocal Method: Lesson V Half Tones or Semitones in F Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xb76d493369321d284333c569f96e91b0ce764185513c0f8dcf9d19333bd3522a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:50da3b08ecacb75b2eb5b6f586404f1e1c5492301f01e0ebb40766a4b8870c22- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989829
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Lesson V Half Tones or Semitones in F Major · Machine-readable JSON-LD