ISRC USUM72118879
Verified recording
USUM72118879 is “Problemón” by Alvaro Diaz,
registered on the CopyrightChains blockchain with CopyrightID
0x9d863b4909c8ab158b5589283f239471455f40786506aa4fa5590ada875a03e6 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72118879.
Recording identifiers
- ISRC
- USUM72118879
- Title
- Problemón
- Artist
- Alvaro Diaz
- CopyrightID (CopyrightChains transaction hash)
0x9d863b4909c8ab158b5589283f239471455f40786506aa4fa5590ada875a03e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c5a230d5e62e1a5297b09baf8cbf14a5418dab19493d732679b01f7bfe8357b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72118879
- Bitcoin block existence check
- https://blockstream.info/api/block/953513