ISRC USSD19800991
Verified recording
USSD19800991 is “Cuba Libre” by Willy Chirino,
registered on the CopyrightChains blockchain with CopyrightID
0x71a633c0344fb7cd87c5c576c7d177b16916a72b5e9f5082b3c7354f9271f819 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSD19800991.
Recording identifiers
- ISRC
- USSD19800991
- Title
- Cuba Libre
- Artist
- Willy Chirino
- CopyrightID (CopyrightChains transaction hash)
0x71a633c0344fb7cd87c5c576c7d177b16916a72b5e9f5082b3c7354f9271f819
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:fabe19f6574c06f5aa56a7c568de503ad9794e41cae457acb3f00d8a7dfe1496- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSD19800991
- Bitcoin block existence check
- https://blockstream.info/api/block/956304