ISRC USUM72005730
Verified recording
USUM72005730 is “Un Día Importante” by Martin Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xb1d4ed7003755c75b3f1655e9ac4d01b717b58423298e50c25d0f83565cfd604 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72005730.
Recording identifiers
- ISRC
- USUM72005730
- Title
- Un Día Importante
- Artist
- Martin Marquez
- CopyrightID (CopyrightChains transaction hash)
0xb1d4ed7003755c75b3f1655e9ac4d01b717b58423298e50c25d0f83565cfd604
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:13058a9f12fa96f6085b87f6643eebd7f622d5652f15419935c79a36da62bbe4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72005730
- Bitcoin block existence check
- https://blockstream.info/api/block/960229