ISRC USZZR1100823
Verified recording
USZZR1100823 is “Hay un Corazón Cubano” by Luisa Maria Güell,
registered on the CopyrightChains blockchain with CopyrightID
0x7aaa1623ccd05c2622fa8dc905a77c53a65645a051c39fe73cfc4d985b0b053a 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/USZZR1100823.
Recording identifiers
- ISRC
- USZZR1100823
- Title
- Hay un Corazón Cubano
- Artist
- Luisa Maria Güell
- CopyrightID (CopyrightChains transaction hash)
0x7aaa1623ccd05c2622fa8dc905a77c53a65645a051c39fe73cfc4d985b0b053a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1da445c544146dd40d46e5d2b3d0b83ffd27280b1ba8d8b3497597212e1fdcb3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZZR1100823
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Hay un Corazón Cubano · Machine-readable JSON-LD