ISRC USDY41989726
Verified recording
USDY41989726 is “Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x14666d40503a80e37f18c752b57d2407b3b0ed74b2db5a228fac04f15c0b0936 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989726.
Recording identifiers
- ISRC
- USDY41989726
- Title
- Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x14666d40503a80e37f18c752b57d2407b3b0ed74b2db5a228fac04f15c0b0936
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:abd6cd4002794fa09d5178bfa037ffddfd9a38bcb3914561cff4c8dda0302a58- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989726
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Practical Vocal Method: Lesson I the Diatonic Scale in B-Flat Major · Machine-readable JSON-LD