ISRC USDY41983722
Verified recording
USDY41983722 is “Practical Vocal Method: Intervals of the Fifth in F Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x9b4f6357a947c2683b0d30aad68b88d3b9cc380f38b87ae7cebfc130cabef157 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983722.
Recording identifiers
- ISRC
- USDY41983722
- Title
- Practical Vocal Method: Intervals of the Fifth in F Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x9b4f6357a947c2683b0d30aad68b88d3b9cc380f38b87ae7cebfc130cabef157
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:97d23e66a8362061ff0fd092c785c7e355b82a7bb8c45355d3584c3e5d18bbe4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983722
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Practical Vocal Method: Intervals of the Fifth in F Major · Machine-readable JSON-LD