ISRC USL4R1815979
Verified recording
USL4R1815979 is “Tirada Libre” by Los Amigueros de la Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0x448652644bf58feec9c2085121c447ec77d17981c218817270fefd4e60ff27c7 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1815979.
Recording identifiers
- ISRC
- USL4R1815979
- Title
- Tirada Libre
- Artist
- Los Amigueros de la Sierra
- CopyrightID (CopyrightChains transaction hash)
0x448652644bf58feec9c2085121c447ec77d17981c218817270fefd4e60ff27c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:b9b64402638507201e3398254df6a1dc1bc0d054f0467429afc6671128d841f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1815979
- Bitcoin block existence check
- https://blockstream.info/api/block/960138