ISRC USUM71601054
Verified recording
USUM71601054 is “Corazón Duro” by Julián Mercado,
registered on the CopyrightChains blockchain with CopyrightID
0x0c6d9d81a2e8ff1835ea33f1fce5c51a4ada098c4845fb79a500e9632c403768 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/USUM71601054.
Recording identifiers
- ISRC
- USUM71601054
- Title
- Corazón Duro
- Artist
- Julián Mercado
- CopyrightID (CopyrightChains transaction hash)
0x0c6d9d81a2e8ff1835ea33f1fce5c51a4ada098c4845fb79a500e9632c403768
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:330c4183570786a0893b718820f9d48ac2e1412d147e9c096daee25d17b92958- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71601054
- Bitcoin block existence check
- https://blockstream.info/api/block/956304