ISRC USE7D2000152
Verified recording
USE7D2000152 is “Carta a Mi Madre” by Oscar Cortez,
registered on the CopyrightChains blockchain with CopyrightID
0x1a603eebe3ccb7940534d24980005d009cfb27dd1af6d016a373b2d503d8dc0b 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/USE7D2000152.
Recording identifiers
- ISRC
- USE7D2000152
- Title
- Carta a Mi Madre
- Artist
- Oscar Cortez
- CopyrightID (CopyrightChains transaction hash)
0x1a603eebe3ccb7940534d24980005d009cfb27dd1af6d016a373b2d503d8dc0b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:5aa198bd06c7cb841855a85e13725a66422de780c1e353fd4273b9310b2ce19c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE7D2000152
- Bitcoin block existence check
- https://blockstream.info/api/block/960138