ISRC US3DF2141990
Verified recording
US3DF2141990 is “El Toro Viejo” by El As De La Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0x5b50dc47019eb76c90b469c10989f9ac6d33480401c1ba27d13cd48b2e552759 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2141990.
Recording identifiers
- ISRC
- US3DF2141990
- Title
- El Toro Viejo
- Artist
- El As De La Sierra
- CopyrightID (CopyrightChains transaction hash)
0x5b50dc47019eb76c90b469c10989f9ac6d33480401c1ba27d13cd48b2e552759
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:0f356664a96a15be770ff4ca69534f17e420c5147fdb8cec60d248e989f50ec2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2141990
- Bitcoin block existence check
- https://blockstream.info/api/block/960144