ISRC PT4EG1800012
Verified recording
PT4EG1800012 is “Oi Nha Mãe” by Mariza,
registered on the CopyrightChains blockchain with CopyrightID
0xb31b664043aec0bb1fd59baa55fa9294448425a108a24c17e313bfad743555e8 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT4EG1800012.
Recording identifiers
- ISRC
- PT4EG1800012
- Title
- Oi Nha Mãe
- Artist
- Mariza
- CopyrightID (CopyrightChains transaction hash)
0xb31b664043aec0bb1fd59baa55fa9294448425a108a24c17e313bfad743555e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:bfcd17d8a984abd93249132554ffbc04d41a85ce96a58bed142c32bbe2b8f5eb- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT4EG1800012
- Bitcoin block existence check
- https://blockstream.info/api/block/956302