ISRC PT4CA1831635
Verified recording
PT4CA1831635 is “Ai Coração” by Os Negrinhos,
registered on the CopyrightChains blockchain with CopyrightID
0x3918b9fc75d4b07f45cc253da0a7cc70a5954824936d19a22c682ba3b5e68e31 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/PT4CA1831635.
Recording identifiers
- ISRC
- PT4CA1831635
- Title
- Ai Coração
- Artist
- Os Negrinhos
- CopyrightID (CopyrightChains transaction hash)
0x3918b9fc75d4b07f45cc253da0a7cc70a5954824936d19a22c682ba3b5e68e31
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:c358f4568b3946ad802d8717352cc7c8da9ab3287d9b49fb7c154b54ac374618- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT4CA1831635
- Bitcoin block existence check
- https://blockstream.info/api/block/960478