ISRC USRMK1003619
Verified recording
USRMK1003619 is “Cara Dura” by Luisa Maria Güell,
registered on the CopyrightChains blockchain with CopyrightID
0x73c8b7fdc82a6e747e11c5b2ff8b35989c44be51cf6d6789262deea2a7b6cbf5 and independently timestamped
in Bitcoin block 960193 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRMK1003619.
Recording identifiers
- ISRC
- USRMK1003619
- Title
- Cara Dura
- Artist
- Luisa Maria Güell
- CopyrightID (CopyrightChains transaction hash)
0x73c8b7fdc82a6e747e11c5b2ff8b35989c44be51cf6d6789262deea2a7b6cbf5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:05:19+00:00
- Bitcoin block
- 960193
- Canonical record hash
sha256:731b1b0358afc274c2531e9d78cabfe8cd9e190d526a95a5809d31238c21cb97- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRMK1003619
- Bitcoin block existence check
- https://blockstream.info/api/block/960193