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 0xdc73e41e736138138839acff0b24f58c120b9f69b08f267c680d58c928f84dc9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ddcd0166-dd7e-44db-8049-25adf5f57926.json and https://artists.proofprofile.net/proofs/artist/ddcd0166-dd7e-44db-8049-25adf5f57926.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Você Joga Sujo (feat. Rebecca & MC Kevin o Chris) [Remix Brega Funk]
Você Joga Sujo (feat. Rebecca & MC Kevin o Chris) - Remix Brega Funk
Baby Relaxa Encaixa na Vibe (Remix Piseiro)
Baby Relaxa Encaixa na Vibe - Remix Piseiro
{"copyright_id":"0xd68b7fe7c75823fefb1c192adcf1c88255a3638b75e64ca78078f75519dc0d91","isrc":"BKAVO2200005","name":"Amor ou o Litrão - Franccz & Kof Remix","registered_at":"2026-06-22T00:39:00Z","spotify_id":"1GDHkZ0sIdOpODhEEFwqIp","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd68b7fe7c75823fefb1c192adcf1c88255a3638b75e64ca78078f75519dc0d91. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GDHkZ0sIdOpODhEEFwqIp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GDHkZ0sIdOpODhEEFwqIp.
{"copyright_id":"0x1bbba8faaae66b908429ecb334634379101e90234ba84d9c5e6c584addec8397","isrc":"BXR5H2500001","name":"Macetando as Peoa","registered_at":"2026-06-18T11:08:03Z","spotify_id":"0uHDm0xeYPQTHXNtmqEHLj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bbba8faaae66b908429ecb334634379101e90234ba84d9c5e6c584addec8397. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0uHDm0xeYPQTHXNtmqEHLj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0uHDm0xeYPQTHXNtmqEHLj.
{"copyright_id":"0xa29ad4c00a3a8b2e68e51f38ea37390ee31e951d1177a113c0bf9b52b713219c","isrc":"BXKPP2300035","name":"Shape de Verão","registered_at":"2026-06-11T05:06:06Z","spotify_id":"4EwyytpoLpXfUllsq8O3wW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29ad4c00a3a8b2e68e51f38ea37390ee31e951d1177a113c0bf9b52b713219c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EwyytpoLpXfUllsq8O3wW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4EwyytpoLpXfUllsq8O3wW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a86f76fc878271d98d971dd51ac112480e5d7a69a8428a80972095dbfb1cec. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3SNCfHymqolyoIi9lvCHdl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3SNCfHymqolyoIi9lvCHdl.
Amor ou Litrão (feat. Petter Ferraz & Menor Nico)
{"copyright_id":"0x9601dedb8b56b9fd78d0572832b8e5ace11ead2c8ef508f3efc50f92681b3e33","isrc":"BKDFK2500015","name":"Sem Ressentimento","registered_at":"2026-06-23T06:55:00Z","spotify_id":"0RdigKXSH77pXTgUfMvPT1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9601dedb8b56b9fd78d0572832b8e5ace11ead2c8ef508f3efc50f92681b3e33. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RdigKXSH77pXTgUfMvPT1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RdigKXSH77pXTgUfMvPT1.