ISRC USDY41989866
Verified recording
USDY41989866 is “Practical Vocal Method: Intervals of the Fifth in D Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x076641a7ce0883e15ce8c6f528207975b5a67192ac03442e11d3fcd1e142e897 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989866.
Recording identifiers
- ISRC
- USDY41989866
- Title
- Practical Vocal Method: Intervals of the Fifth in D Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x076641a7ce0883e15ce8c6f528207975b5a67192ac03442e11d3fcd1e142e897
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:d6d6b58e7611d1732b7d9fe23b138090d36173f99a387679c7579c1c06027fb6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989866
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Practical Vocal Method: Intervals of the Fifth in D Major · Machine-readable JSON-LD