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 0xdd8e88df59a25ff647e18932bdb1e8c16d6545d5567fa6749d9f51fe289092a7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9006738-6ba3-4f8a-9fff-381925725c76.json and https://artists.proofprofile.net/proofs/artist/a9006738-6ba3-4f8a-9fff-381925725c76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xe72e2ff24403b775b74c2c5752f3149a6ca2fac5c0f7cc3a81b78b56cf9fc842. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2HZBZrHJ07ZD9pPn3WaE8u.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/2HZBZrHJ07ZD9pPn3WaE8u.
Este É o Som da Tua Noiva - Versão Estendida - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363fa809299ad87155e4f8c25efd8004792dd677a1ce4209c100001697fd2834. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09z8gDzSsQH4SORKdHlPzm.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/09z8gDzSsQH4SORKdHlPzm.
Poderoso Deus Eterno / Posso Ouvir - Ao Vivo
{"copyright_id":"0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396","isrc":"BKB782400205","name":"Poderoso Deus Eterno / Posso Ouvir - Ao Vivo","registered_at":"2026-06-04T11:38:04Z","spotify_id":"5dMQevw0bFPif3q89ANDzh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dMQevw0bFPif3q89ANDzh.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/5dMQevw0bFPif3q89ANDzh.
Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"7LxhqNtlScdZK58BOvY0bK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7LxhqNtlScdZK58BOvY0bK.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/7LxhqNtlScdZK58BOvY0bK.
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"15HeDGuozQZkby0mI9GxgP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15HeDGuozQZkby0mI9GxgP.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/15HeDGuozQZkby0mI9GxgP.
Poderoso Deus Eterno / Posso Ouvir (Ao Vivo)
{"copyright_id":"0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396","isrc":"BKB782400205","name":"Poderoso Deus Eterno / Posso Ouvir - Ao Vivo","registered_at":"2026-06-04T11:38:04Z","spotify_id":"78kN9dWoCK4i8Jy3liwHeH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78kN9dWoCK4i8Jy3liwHeH.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/78kN9dWoCK4i8Jy3liwHeH.
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"4EbuYuAe9TLPSOf22MubSN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EbuYuAe9TLPSOf22MubSN.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/4EbuYuAe9TLPSOf22MubSN.
{"copyright_id":"0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396","isrc":"BKB782400205","name":"Poderoso Deus Eterno / Posso Ouvir - Ao Vivo","registered_at":"2026-06-04T11:38:04Z","spotify_id":"2MjHOjjU5qgYPgjVBPMMbD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b8a96a35daa90cdbbbb1b2400dff1be0f5bc4882b9b72dfc326f444486d396. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MjHOjjU5qgYPgjVBPMMbD.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/2MjHOjjU5qgYPgjVBPMMbD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363fa809299ad87155e4f8c25efd8004792dd677a1ce4209c100001697fd2834. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RKz8KRi4Zk0CXKN9TX3No.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/4RKz8KRi4Zk0CXKN9TX3No.
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"6IVqRX2SEf2xU8uC9DMItC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IVqRX2SEf2xU8uC9DMItC.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/6IVqRX2SEf2xU8uC9DMItC.
Quando o Céu Invade a Terra / Fogo Que Consome (Ao Vivo)
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"33WRUMm8kEIeP3OWuJEjiD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/33WRUMm8kEIeP3OWuJEjiD.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/33WRUMm8kEIeP3OWuJEjiD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48de0bc109481658298b2e7f4e148869c5f5bc37a776311646b64109e0449096. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fD2f2Vxxweqesi1qajq9T.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/3fD2f2Vxxweqesi1qajq9T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48de0bc109481658298b2e7f4e148869c5f5bc37a776311646b64109e0449096. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nzMzmuuP3mrMhfMV6xpSG.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/6nzMzmuuP3mrMhfMV6xpSG.
Que o Cordeiro Receba / Ele Virá (Ao Vivo)
{"copyright_id":"0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb","isrc":"BKB782400207","name":"Quando o Céu Invade a Terra / Fogo Que Consome - Ao Vivo","registered_at":"2026-06-04T09:45:44Z","spotify_id":"2wCxynRNH8ZiC8rf3HQW34","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9c3d662d4ee7ba05276182b3908c3a1026896d46ceefc2e3188a28494b2fb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wCxynRNH8ZiC8rf3HQW34.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/2wCxynRNH8ZiC8rf3HQW34.