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 0x166f2fc347afc53b59ed0adb016c6ac5efc2a914528ec075ec555f40f3706d43. 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/5e016c03-9a6e-4567-9a3d-d6aa4be04ef7.json and https://artists.proofprofile.net/proofs/artist/5e016c03-9a6e-4567-9a3d-d6aa4be04ef7.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 0x70501da3286093256227971a0b927c67eb9d1cc73b641a2c22b2e303b5f6b538. 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/73wDzDMkz47EfNEDRqaCcd.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/73wDzDMkz47EfNEDRqaCcd.
{"copyright_id":"0x4724503553a2d839bd418ab5ee59a3f7f54b30eb0856ad93e9a48cd44bd214c2","isrc":"BXO8O2200007","name":"DEIXA EU TE BEIJAR","registered_at":"2026-06-20T04:09:12Z","spotify_id":"3miylB7llHhTZsMrMNjuJJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4724503553a2d839bd418ab5ee59a3f7f54b30eb0856ad93e9a48cd44bd214c2. 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/3miylB7llHhTZsMrMNjuJJ.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/3miylB7llHhTZsMrMNjuJJ.
{"copyright_id":"0x69d22f1dbc9257b16c9046af40d729343b1d0adad6062cfb7a50272020655e05","isrc":"BXGJJ2000014","name":"Menina Salvador - Zabot Remix","registered_at":"2026-06-07T01:51:42Z","spotify_id":"3XJ5LWaZ8bE0s9TfzPzaWO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d22f1dbc9257b16c9046af40d729343b1d0adad6062cfb7a50272020655e05. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3XJ5LWaZ8bE0s9TfzPzaWO.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/3XJ5LWaZ8bE0s9TfzPzaWO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408d707275a2a5076d21348576cb70c66f3867ace5fd8b79c1529885c2a61f94. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0S6o0gAuIp8C7ZOt04LkXT.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/0S6o0gAuIp8C7ZOt04LkXT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79038ac516c44927bc6fec8271b12ae1017c2516177bab797c9af7350e25d105. 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/1jyiLuk1zIwkDv35utyZNI.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/1jyiLuk1zIwkDv35utyZNI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3826f3f3d544b5168d4c39a5a85217cc4e2ceb4aa46001b5e1d60bcfecbbed. 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/6LcYRzBDhO8zxjLsOXP5sO.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/6LcYRzBDhO8zxjLsOXP5sO.
Oi (feat. Lagum) - KVSH & LOthief Rework
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76ffa7deb8f0c62173b015b873ee5ca954b201109cae59e4176d2f193c077478. 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/5QmITZMc3kLAY6trGa9ohA.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/5QmITZMc3kLAY6trGa9ohA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc421200d79e5a83f816c9736eabb8d9d18d1c07da735290c35e3fed0ae89b9. 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/7nPvs27C83d41aIMwfQ3eq.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/7nPvs27C83d41aIMwfQ3eq.
Sentença - Voltech, Eternal Soul & Deep Motion Remix
{"copyright_id":"0x408e85d43a7134d077096a6edd3f6808a0a117eec2c3da0542141ef180084efc","isrc":"BRU5R1800009","name":"Sentença - Voltech, Eternal Soul & Deep Motion Remix","registered_at":"2026-06-20T00:27:35Z","spotify_id":"7iduGrlBZRM3e8lI9utx0l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408e85d43a7134d077096a6edd3f6808a0a117eec2c3da0542141ef180084efc. 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/7iduGrlBZRM3e8lI9utx0l.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/7iduGrlBZRM3e8lI9utx0l.
Sentença - Guz Zanotto & André Sarate Remix
{"copyright_id":"0xaefdaa9bbf69ce946ff550867fc7271bf5d81d1567b8e80fc5fa5383084cabaf","isrc":"BCPCN2400221","name":"Anna Julia Vascaína","registered_at":"2026-06-22T05:10:21Z","spotify_id":"1t4iLYh37I2dRkxXKSdyB3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaefdaa9bbf69ce946ff550867fc7271bf5d81d1567b8e80fc5fa5383084cabaf. 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/1t4iLYh37I2dRkxXKSdyB3.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/1t4iLYh37I2dRkxXKSdyB3.
{"copyright_id":"0x2353d0b4bc9a611f1526410e69a9c46ce51f74a9c2e7ea240057269fa9bfcdd0","isrc":"BCPCN2400072","name":"Round My Head","registered_at":"2026-06-23T19:04:47Z","spotify_id":"4l6L6vPyrDQGiDf1KADdgI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2353d0b4bc9a611f1526410e69a9c46ce51f74a9c2e7ea240057269fa9bfcdd0. 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/4l6L6vPyrDQGiDf1KADdgI.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/4l6L6vPyrDQGiDf1KADdgI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc461611ae4c11fb40006d5da15eef7bc1259fc8a56542b4a84362e138e34c785. 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/522R1Nbwsgadhu8LY6dnMF.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/522R1Nbwsgadhu8LY6dnMF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94adc58f414b7a32516d262782912d1c42e366c8206b7f6790ad92f51dc60922. 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/4JLk3WmaRmMmYe4HQBoz6H.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/4JLk3WmaRmMmYe4HQBoz6H.
{"copyright_id":"0xc7504bd6a04b3d651f6b09ceea04c0f3f4fe6e70d63b6032ffead204031bc2b9","isrc":"BX2LP1900009","name":"Roda Gigante","registered_at":"2026-06-05T13:20:40Z","spotify_id":"4ZbPzncqIaim9AhBaI5iO2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7504bd6a04b3d651f6b09ceea04c0f3f4fe6e70d63b6032ffead204031bc2b9. 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/4ZbPzncqIaim9AhBaI5iO2.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/4ZbPzncqIaim9AhBaI5iO2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x745db1d2ac84d644288c645c2befeb44c6c55092c591d41daa03d0a9d6923cb0. 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/2n87DgDZm77DpISUnHlG4Y.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/2n87DgDZm77DpISUnHlG4Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b20b9bce3d6630b0088f28279339c548d0d2dd3de0f6e70008fe31610ed5c9. 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/4uK2F0ZB7ac1C296tWxwu8.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/4uK2F0ZB7ac1C296tWxwu8.
Música Pra.Curar Brasileira (Deluxe) [DELUXE]
{"copyright_id":"0xf038bc433983ce45751003d49002dd47ee8af6a3a3d81429f23c742f77a8c42c","isrc":"BX1TU2100004","name":"Somos Instantes - Zabot Remix","registered_at":"2026-06-06T09:50:15Z","spotify_id":"4XZ0eDsPjzZIc5gws0MFCH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf038bc433983ce45751003d49002dd47ee8af6a3a3d81429f23c742f77a8c42c. 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/4XZ0eDsPjzZIc5gws0MFCH.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/4XZ0eDsPjzZIc5gws0MFCH.
Nosso Corpo é Nosso Templo - Dre Guazzelli Remix