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 0xb514570d571b40130699d8c0977be43d07743762dc6b6161968f0388cc144938. 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/4b006bc5-623a-4673-a2e7-04042b999b2c.json and https://artists.proofprofile.net/proofs/artist/4b006bc5-623a-4673-a2e7-04042b999b2c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xa8cbc0a6711c21e26ec0e4eb6b2da8e09f33aa8ae1d895201d9b8e8211dd3deb","isrc":"BKCBX2400018","name":"Ponto G","registered_at":"2026-06-23T14:04:09Z","spotify_id":"3UGrlgVJA028on0hDpaUPp","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 0xa8cbc0a6711c21e26ec0e4eb6b2da8e09f33aa8ae1d895201d9b8e8211dd3deb. 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/3UGrlgVJA028on0hDpaUPp.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/3UGrlgVJA028on0hDpaUPp.
{"copyright_id":"0x77d6705b8c938095482b1593b3d053cb105f50419adc28804d2dd0b542e71779","isrc":"BCE7P2500818","name":"Quase Que Ela Me Mata Com Esse Bundão","registered_at":"2026-06-21T17:43:25Z","spotify_id":"1ck33qVc4Ywy5zCUfeSnYF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77d6705b8c938095482b1593b3d053cb105f50419adc28804d2dd0b542e71779. 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/1ck33qVc4Ywy5zCUfeSnYF.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/1ck33qVc4Ywy5zCUfeSnYF.
Não sei se eu Pego, Não deu Meia Noite não
{"copyright_id":"0xe968e5cf6dbdb38d95079c32c66af3dbc217f7643eb0d5effa35bb1f2d681b53","isrc":"BCE7P2500626","name":"Vem na Contramão","registered_at":"2026-06-19T23:23:36Z","spotify_id":"7dKRwLHM6PxBfUmTZriRUP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe968e5cf6dbdb38d95079c32c66af3dbc217f7643eb0d5effa35bb1f2d681b53. 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/7dKRwLHM6PxBfUmTZriRUP.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/7dKRwLHM6PxBfUmTZriRUP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd96fa77d872ab7777c802c26c93c60fae8710952a480b1627f89d5945e03871. 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/1kdlrl8wQSPg9Hujyt98NV.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/1kdlrl8wQSPg9Hujyt98NV.
{"copyright_id":"0xb66013caba36f8c69fe16feded4ce5e1882f6fac4f56ce973963672d9d17683a","isrc":"BCE7P2500619","name":"Um Calor pra Cada Put4","registered_at":"2026-06-07T17:48:53Z","spotify_id":"1EYQ3otSX9pfEGpyUoEltv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66013caba36f8c69fe16feded4ce5e1882f6fac4f56ce973963672d9d17683a. 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/1EYQ3otSX9pfEGpyUoEltv.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/1EYQ3otSX9pfEGpyUoEltv.
Vem Sentar Para os Menor Midia da Internet
{"copyright_id":"0xde094ac0c1416efdfb19679552f2736d9934b45ec665670df4a9db8cdb95cc30","isrc":"BCE7P2500415","name":"Vem Sentar Para os Menor Midia da Internet","registered_at":"2026-06-25T14:15:39Z","spotify_id":"6ztbkzR5Sb8ijmDL6d2zXr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde094ac0c1416efdfb19679552f2736d9934b45ec665670df4a9db8cdb95cc30. 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/6ztbkzR5Sb8ijmDL6d2zXr.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/6ztbkzR5Sb8ijmDL6d2zXr.
Uma me Pede o Isqueiro, a Outra me Pede o Cigarro
{"copyright_id":"0x9910861b37daf5072f44d596ebe491fce18e53794a5d8a2aa055e1cbd56b0e2a","isrc":"BCE7P2500826","name":"Na Captura Delas de Bailão em Bailão","registered_at":"2026-06-08T00:58:17Z","spotify_id":"5r9QkfuzD6lFX8MeKVWJts","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9910861b37daf5072f44d596ebe491fce18e53794a5d8a2aa055e1cbd56b0e2a. 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/5r9QkfuzD6lFX8MeKVWJts.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/5r9QkfuzD6lFX8MeKVWJts.
{"copyright_id":"0x1839195dfe5ee0310ee2bf5c0b570bc95f64ebd29308dd3833cc4d31a2d407b7","isrc":"BCE7P2402500","name":"Ela Pula na Piscina Peladinha","registered_at":"2026-06-12T01:32:15Z","spotify_id":"0lSQMnbSC6wbwrpP8Mj62Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1839195dfe5ee0310ee2bf5c0b570bc95f64ebd29308dd3833cc4d31a2d407b7. 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/0lSQMnbSC6wbwrpP8Mj62Y.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/0lSQMnbSC6wbwrpP8Mj62Y.
{"copyright_id":"0x3eb3a0447e231cb33c4329e78e5155336e33e3ed64c352959b671f78101b98b0","isrc":"BCE7P2501657","name":"A Safada Tá Viciada na Minha Vara","registered_at":"2026-06-25T14:54:04Z","spotify_id":"6NUnkdbdAkmNjJXqXT7rvK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eb3a0447e231cb33c4329e78e5155336e33e3ed64c352959b671f78101b98b0. 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/6NUnkdbdAkmNjJXqXT7rvK.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/6NUnkdbdAkmNjJXqXT7rvK.
É só Grau só Bololo - A Quebrada ta tipo a Disney
Eu Gostei Tu Também Gostou Quando Eu Catuquei