ISRC USDY41983725
Verified recording
USDY41983725 is “Practical Vocal Method: Intervals of the Octave in D Major” by Nicola Vaccai,
registered on the CopyrightChains blockchain with CopyrightID
0x3a18d03584ec5f1b4b038576d5d895c6f2bde2da570a3694b72c77cb93c24da7 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/USDY41983725.
Recording identifiers
- ISRC
- USDY41983725
- Title
- Practical Vocal Method: Intervals of the Octave in D Major
- Artist
- Nicola Vaccai
- CopyrightID (CopyrightChains transaction hash)
0x3a18d03584ec5f1b4b038576d5d895c6f2bde2da570a3694b72c77cb93c24da7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:08c828ab4d7a7eb234a45266cde0c8a0f7800873defb804b5f0f0ab72ead83f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41983725
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Practical Vocal Method: Intervals of the Octave in D Major · Machine-readable JSON-LD