ISRC USDY41990111
Verified recording
USDY41990111 is “Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in E-Flat Major, Allegretto” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x3e408707be741c1ad674359099299adb82b3a3a18808988e8e8b3047aff05b3e and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990111.
Recording identifiers
- ISRC
- USDY41990111
- Title
- Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in E-Flat Major, Allegretto
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x3e408707be741c1ad674359099299adb82b3a3a18808988e8e8b3047aff05b3e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:3b118c966ce5e8f28e84246235f456702b502c63e77a089bb9f459aaa15c77a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41990111
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Practical Vocal Method: Lesson XI Introduction to the Trill or Shake in E-Flat Major, Allegretto · Machine-readable JSON-LD