ISRC PTRO11900338
Verified recording
PTRO11900338 is “Vira de São Mamede” by Grupo Etnográfico de Areosa,
registered on the CopyrightChains blockchain with CopyrightID
0x4d21364c5b2369bfceee63dfde33ce27b585a20219902734dcf95c699b8499ec and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11900338.
Recording identifiers
- ISRC
- PTRO11900338
- Title
- Vira de São Mamede
- Artist
- Grupo Etnográfico de Areosa
- CopyrightID (CopyrightChains transaction hash)
0x4d21364c5b2369bfceee63dfde33ce27b585a20219902734dcf95c699b8499ec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:5c60c0a7f6125f8d3d351abc8b6e3dc48f857a4f024f5db41f28fe92fadcd5da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTRO11900338
- Bitcoin block existence check
- https://blockstream.info/api/block/960478