ISRC US3DF2139387
Verified recording
US3DF2139387 is “El Sierreño” by El As De La Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0x389b13ce0d4134bb34e11d69e4384e16c928682ca8fe69a628754fb371153f15 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2139387.
Recording identifiers
- ISRC
- US3DF2139387
- Title
- El Sierreño
- Artist
- El As De La Sierra
- CopyrightID (CopyrightChains transaction hash)
0x389b13ce0d4134bb34e11d69e4384e16c928682ca8fe69a628754fb371153f15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:3a548d2e39cdae548d945c8256dd69b124791918c8a036d1ebcf4c10aba4287c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2139387
- Bitcoin block existence check
- https://blockstream.info/api/block/960468