ISRC PTRO11900337
Verified recording
PTRO11900337 is “Mariazinha” by Grupo Etnográfico de Areosa,
registered on the CopyrightChains blockchain with CopyrightID
0xafe7532b535d2ec4abb413e84d7b0b95160dbe065e014df0df497306262573bb and independently timestamped
in Bitcoin block 960379 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11900337.
Recording identifiers
- ISRC
- PTRO11900337
- Title
- Mariazinha
- Artist
- Grupo Etnográfico de Areosa
- CopyrightID (CopyrightChains transaction hash)
0xafe7532b535d2ec4abb413e84d7b0b95160dbe065e014df0df497306262573bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:25:34+00:00
- Bitcoin block
- 960379
- Canonical record hash
sha256:23e02437db1a259e0147def0e18367f111b0d1459ae48d78e390d764356b3f9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11900337
- Bitcoin block existence check
- https://blockstream.info/api/block/960379