ISRC USDY41983733
Verified recording
USDY41983733 is “Practical Vocal Method: Lesson IX the Mordent in B-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x3b861515985bf71c831807b41a357fdd7d71e5bd3dc5d5acf2028fbc965fd4ae and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983733.
Recording identifiers
- ISRC
- USDY41983733
- Title
- Practical Vocal Method: Lesson IX the Mordent in B-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x3b861515985bf71c831807b41a357fdd7d71e5bd3dc5d5acf2028fbc965fd4ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:ceff4a57d63f1de661b720966eef4c37e128262a19f99e1dc9d520633f098d96- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983733
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Practical Vocal Method: Lesson IX the Mordent in B-Flat Major · Machine-readable JSON-LD