ISRC USDY41989868
Verified recording
USDY41989868 is “Practical Vocal Method: Intervals of the Fifth in C Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x1f546c7f99a742964218c08b0b20beebf4943e117947a054d336a1c5d1f8b345 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989868.
Recording identifiers
- ISRC
- USDY41989868
- Title
- Practical Vocal Method: Intervals of the Fifth in C Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x1f546c7f99a742964218c08b0b20beebf4943e117947a054d336a1c5d1f8b345
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:c3b8e75864acc8a4a3480ec8cd9114575276c9eb1d2f76532c52bceb47f679bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41989868
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Practical Vocal Method: Intervals of the Fifth in C Major · Machine-readable JSON-LD