ISRC USDY41987437
Verified recording
USDY41987437 is “Vaccai Practical Vocal Method: Lesson I the Diatonic Scale in E-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x2afee7fbc38915f75c7bcd621423dd461b7970219b33598947eb812d0764d675 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/USDY41987437.
Recording identifiers
- ISRC
- USDY41987437
- Title
- Vaccai Practical Vocal Method: Lesson I the Diatonic Scale in E-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x2afee7fbc38915f75c7bcd621423dd461b7970219b33598947eb812d0764d675
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9fc4c372e6e5dbbe0690bc6b8b08d502f563e41f160d77195907c8d25af4a2c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41987437
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Vaccai Practical Vocal Method: Lesson I the Diatonic Scale in E-Flat Major · Machine-readable JSON-LD