ISRC USDY41983716
Verified recording
USDY41983716 is “Practical Vocal Method: Lesson I the Diatonic Scale in D Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0xceaa4140cbbbced6c9b08dc9a47e40386b2bc2c7d613dd7c8bb679b43ead3816 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983716.
Recording identifiers
- ISRC
- USDY41983716
- Title
- Practical Vocal Method: Lesson I the Diatonic Scale in D Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0xceaa4140cbbbced6c9b08dc9a47e40386b2bc2c7d613dd7c8bb679b43ead3816
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:a026a6c6502afa1b79aec8ddd56a4ff2897de1def7ac3ff094961108cb92f638- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983716
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Practical Vocal Method: Lesson I the Diatonic Scale in D Major · Machine-readable JSON-LD