ISRC PTRO11700011
Verified recording
PTRO11700011 is “Mourâo” by César Guerra-Peixe,
registered on the CopyrightChains blockchain with CopyrightID
0x864f17b0affe93b286fd07fb9b2380beed5220d3385a133d86fda1d8ea3ab3e2 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11700011.
Recording identifiers
- ISRC
- PTRO11700011
- Title
- Mourâo
- Artist
- César Guerra-Peixe
- CopyrightID (CopyrightChains transaction hash)
0x864f17b0affe93b286fd07fb9b2380beed5220d3385a133d86fda1d8ea3ab3e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:15d78ba2ca239b107d0f699258b217710ff05a30e76c60fbb8847b751813b9c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11700011
- Bitcoin block existence check
- https://blockstream.info/api/block/960427