ISRC PT8CY1900318
Verified recording
PT8CY1900318 is “Caixinha de Música” by Sebastião Antunes & Quadrilha,
registered on the CopyrightChains blockchain with CopyrightID
0x8e51cacce380ff002c708c519b679b0cce7e7ba03abc5310469a6dad3dbd58b9 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT8CY1900318.
Recording identifiers
- ISRC
- PT8CY1900318
- Title
- Caixinha de Música
- Artist
- Sebastião Antunes & Quadrilha
- CopyrightID (CopyrightChains transaction hash)
0x8e51cacce380ff002c708c519b679b0cce7e7ba03abc5310469a6dad3dbd58b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:cfca5290fbf372e3b07a10bc3bf279e8529bd82639b575a2d5d883a16415b252- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT8CY1900318
- Bitcoin block existence check
- https://blockstream.info/api/block/960291