ISRC PT8CY1900315
Verified recording
PT8CY1900315 is “Um Dia de Lisboa” by Sebastião Antunes & Quadrilha,
registered on the CopyrightChains blockchain with CopyrightID
0x7cb52493cbf719fdfb7d6e54a4f274f6713c7d607fb542091e081e3eadb7fe3b and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT8CY1900315.
Recording identifiers
- ISRC
- PT8CY1900315
- Title
- Um Dia de Lisboa
- Artist
- Sebastião Antunes & Quadrilha
- CopyrightID (CopyrightChains transaction hash)
0x7cb52493cbf719fdfb7d6e54a4f274f6713c7d607fb542091e081e3eadb7fe3b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:44c94ccfc8236a9a4ad0a373fa473962cfe4afce3816baab7e31bfde88c2a56c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT8CY1900315
- Bitcoin block existence check
- https://blockstream.info/api/block/960327