1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x6d06a616be238d52eee4d2211f60ab1ba27343ce8a0c25405c251ceb04cc608d. Chain 2 (Bitcoin): anchored in block 953733 (2026-06-15T03:12:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97b10683-ed3a-44e2-abab-b0ec8fe7468f.json and https://artists.proofprofile.net/proofs/artist/97b10683-ed3a-44e2-abab-b0ec8fe7468f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rock with You / Blame on the Boogie / Billie Jean / P. Y. T. / Thriller / Don't Stop 'til You Get Enough / I'll Be There
Meu Talismã / Dona de Mim / Ginga / Brisa / Pesadão / Let Me Be The One / Te Pegar / Bateu (Cover)
Trem das Onze / Mas Que Nada / Malandro É Malandro e Mané É Mané / Canta Canta Minha Gente / Tenha Fé, Pois Amanhã um Lindo Dia Vai Nascer / Deixa a Vida Me Levar (Cover)
Tudo Por Um Pop Star (Trilha Sonora Do Filme)
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x541a47bd8fe8965ae22854a57a2ba5d0e9aadf362b564c3f8f4d1767b6d50bdc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZ5AB2062257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x238d8ea82921dd88f035889c1857b324892373e8133ce38b955efdc0fa0863b2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ5AB2062258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d062d94643854deeff057c5778cb075b7d2b9defb9141edcfa3169e8556335. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ5AB2062259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf319e5078d9745fef9cb966003b0ae1d512c83a7533795f189595db930d43e1d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZ5AB2062261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x920cb75f5136873b9875c256250f52e35aee1664050892ece1253f55cb7f5109. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZ5AB2062264.