ISRC USL4R1815987
Verified recording
USL4R1815987 is “El R4” by Los Amigueros de la Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0x2711343de268e99c30d68a3104a16ba824256771cc191969c5b4a8c480c732ec 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/USL4R1815987.
Recording identifiers
- ISRC
- USL4R1815987
- Title
- El R4
- Artist
- Los Amigueros de la Sierra
- CopyrightID (CopyrightChains transaction hash)
0x2711343de268e99c30d68a3104a16ba824256771cc191969c5b4a8c480c732ec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f19462c681807a960e955036ca7673a4c1730f7884c70ee7f682b8ab8b1af9e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1815987
- Bitcoin block existence check
- https://blockstream.info/api/block/957118