ISRC ES71G1619772
Verified recording
ES71G1619772 is “O Triste” by Grupo Coral de Cantares Regionais de Portel,
registered on the CopyrightChains blockchain with CopyrightID
0xf115491300f469303242a305954553721c79f6bb37a1a3be0eeca32cf7b9abcf and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G1619772.
Recording identifiers
- ISRC
- ES71G1619772
- Title
- O Triste
- Artist
- Grupo Coral de Cantares Regionais de Portel
- CopyrightID (CopyrightChains transaction hash)
0xf115491300f469303242a305954553721c79f6bb37a1a3be0eeca32cf7b9abcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:a2351a1e3eb9dd976c5b5e8c8b6114305251cf607e1fb21678deaf322bd1eb2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G1619772
- Bitcoin block existence check
- https://blockstream.info/api/block/960150