1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80974e14d5e10436b84cdc12e6d1833b6e636616faa4d86d150bf1e23f9ca18e. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65d88c69-ed86-4522-952f-ca42ca770c30.json and https://artists.proofprofile.net/proofs/artist/65d88c69-ed86-4522-952f-ca42ca770c30.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Song Form (feat. Alexandre Frazão, Miguel Amado, Jon Irabagon, Joana Machado, Mário Laginha, Matt Renzi, Vicky Marqu, Ricardo Pinheiro & Demian Cabaud)
The One in Wait (feat. Alexandre Frazão, Miguel Amado, Jon Irabagon, Joana Machado, Mário Laginha, Matt Renzi, Vicky Marqu, Ricardo Pinheiro & Demian Cabaud)
Heliotropic (feat. Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado, Mário Laginha, Ricardo Pinheiro, Matt Renzi, Vicky Marqu & Jon Irabagon)
Choro Para Sassetti (feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha)
Solidão (feat. Ricardo Pinheiro, Matt Renzi, Mário Laginha, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud & Joana Machado)
Razzmatazz (feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha)
It's Late (feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha)
Bad Actress (feat. Miguel Amado, Demian Cabaud, Joana Machado, Mário Laginha, Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon & Alexandre Frazão)
Dezembro (feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha)
Dirt (feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha)
The Living River (For Eduardo) [feat. Ricardo Pinheiro, Matt Renzi, Vicky Marqu, Jon Irabagon, Alexandre Frazão, Miguel Amado, Demian Cabaud, Joana Machado & Mário Laginha]
Cavalli-Moniz-Pinheiro. Cinema & Dintorni
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffed2d4478b1bd36e102e6a57683f676076000874c6376f1fb5443299bc9fa6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7712413107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf438eaf84bdf7512ab3fd6884c601413de2bc7c312a77c998f0ddf310579e1e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7712513901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb0571d165bf1d7afc0bf1ca85e8926db8394cc57b473af3a1dce43be82b9a4. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7712513904.
Liebman - Ineke - Laginha - Cavalli - Pinheiro Quintet