ISRC HKI191728105
Verified recording
HKI191728105 is “Cherubino, 2 Arias from The Marriage of Figaro by Mozart (Arr. B.A. Smith for Cello & Piano): No. 1, Voi che sapete” by Mario Castelnuovo-Tedesco,
registered on the CopyrightChains blockchain with CopyrightID
0x3f7aa09e0219df75a808b89d7510a548d59d8b303b20fea1fd9b76a418cb0134 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191728105.
Recording identifiers
- ISRC
- HKI191728105
- Title
- Cherubino, 2 Arias from The Marriage of Figaro by Mozart (Arr. B.A. Smith for Cello & Piano): No. 1, Voi che sapete
- Artist
- Mario Castelnuovo-Tedesco
- CopyrightID (CopyrightChains transaction hash)
0x3f7aa09e0219df75a808b89d7510a548d59d8b303b20fea1fd9b76a418cb0134
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:af0db0a20e083e4710584c67da88d3f92847b8d09c3a8e8c04d9e04a608c5c09- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191728105
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Cherubino, 2 Arias from The Marriage of Figaro by Mozart (Arr. B.A. Smith for Cello & Piano): No. 1, Voi che sapete · Machine-readable JSON-LD