ISRC PT7HS1900110
Verified recording
PT7HS1900110 is “Olga” by Mário Marta,
registered on the CopyrightChains blockchain with CopyrightID
0xb66646c09cfba59b494e340c216c65db4c3fbc77ef8d89e5ce69c5471e3e0291 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT7HS1900110.
Recording identifiers
- ISRC
- PT7HS1900110
- Title
- Olga
- Artist
- Mário Marta
- CopyrightID (CopyrightChains transaction hash)
0xb66646c09cfba59b494e340c216c65db4c3fbc77ef8d89e5ce69c5471e3e0291
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d112097fea0339a101dfd2c62eb67fa32499f3e2d09907e8e645846d9ee0cc3d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT7HS1900110
- Bitcoin block existence check
- https://blockstream.info/api/block/957120