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 0xa2244e54b148b492fd3ac326ca98bc1557bb343a7cbc4e67c407c6b6c2c028d3. 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/5f12171f-2fd4-46d6-8d7b-93c88a786f66.json and https://artists.proofprofile.net/proofs/artist/5f12171f-2fd4-46d6-8d7b-93c88a786f66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb4807f6f69dabcd5c8e6e38456507a9cae932090bbaf2598bc456f5518f3dc72","isrc":"BR1H62200255","name":"RING RING (Call My Name)","registered_at":"2026-06-21T02:57:05Z","spotify_id":"2p1ySBEXFyNOiWoY3GQezx","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 0xb4807f6f69dabcd5c8e6e38456507a9cae932090bbaf2598bc456f5518f3dc72. 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/2p1ySBEXFyNOiWoY3GQezx.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/2p1ySBEXFyNOiWoY3GQezx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d41fc020b44d68958f6c4cc484efc197de37df69b116f55ab8dab4689a58198. 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/14s0WCjEvjLRM5wVF5IXIW.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/14s0WCjEvjLRM5wVF5IXIW.
City Lights - E-Zuck & Mythi Alves Remix
{"copyright_id":"0x5da57546cd86d6bfc529de6d4efe0814fbf1dcc2c898cadf8db04b377109883c","isrc":"BXWEH2400026","name":"Mtg Kasinão","registered_at":"2026-06-24T13:07:31Z","spotify_id":"63hLXMJUejsJWtTpqwNuoa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da57546cd86d6bfc529de6d4efe0814fbf1dcc2c898cadf8db04b377109883c. 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/63hLXMJUejsJWtTpqwNuoa.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/63hLXMJUejsJWtTpqwNuoa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd558159f60f2875fe37763fa48ebee15ca52c22e18a30675d5b9ecc90d92cee. 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/49DNWzxLsvNgYB5jr3hlz4.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/49DNWzxLsvNgYB5jr3hlz4.
Tango (Saintpaul Dj & Luca Pedonese Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6afc2c27338e73b38ad223b4c0446aa3cc2f53111846a3ec30e92cbfffc872b8. 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/4xxefSELeafQyIfLBz1OIJ.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/4xxefSELeafQyIfLBz1OIJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x866558f073db83bf61de06389edad0830656ea11a8dd8b57155f8674f5854a2a. 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/2lXeFsR4AMu3tHQ95NX0FU.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/2lXeFsR4AMu3tHQ95NX0FU.
{"copyright_id":"0x920475f11538396cd0bed50f120ec4a6f4ab8967bfded58bceb30cf1c6b15020","isrc":"BKLAK2400009","name":"Mundo de Porcelana - JAMM’ Remix","registered_at":"2026-06-27T02:54:40Z","spotify_id":"1yjC9abvbPmHbdMouI7BHK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x920475f11538396cd0bed50f120ec4a6f4ab8967bfded58bceb30cf1c6b15020. 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/1yjC9abvbPmHbdMouI7BHK.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/1yjC9abvbPmHbdMouI7BHK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa802a33229a46ef3d3207c18afbc1e837b2955a3623951de12293bf4a89378f3. 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/5qRZoIoIGZhO7SfzFeEaNF.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/5qRZoIoIGZhO7SfzFeEaNF.
Falling for U 2.0 (Double Face Brazil & Barbati Remix)
Falling for U 2.0 (Double Face Brazil & Barbati Remix) - Radio Edit
Falling for U 2.0 (Double Face Brazil & Barbati Remix) - Extended
No Ouvidinho - Jamm', Zonatto e Paxxo Remix
{"copyright_id":"0x3977cc858558f4287871b0f83b9b1951600b4ad544c2321e8b7cabaff8d490b5","isrc":"BCQAB2200011","name":"No Ouvidinho - Jamm', Zonatto e Paxxo Remix","registered_at":"2026-06-06T02:47:37Z","spotify_id":"6ISVvF6VJxczpZdPPClpkK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3977cc858558f4287871b0f83b9b1951600b4ad544c2321e8b7cabaff8d490b5. 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/6ISVvF6VJxczpZdPPClpkK.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/6ISVvF6VJxczpZdPPClpkK.
{"copyright_id":"0xbcc7778c6b4a54f2c1b4cdf50d875e69281fd995131f786c2276b7e8ab3f3370","isrc":"BCQAB2200014","name":"No Ouvidinho - Jamm' e Lukks Remix","registered_at":"2026-06-20T19:06:29Z","spotify_id":"0yBkgS4JAK4xygHhEC5lIb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc7778c6b4a54f2c1b4cdf50d875e69281fd995131f786c2276b7e8ab3f3370. 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/0yBkgS4JAK4xygHhEC5lIb.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/0yBkgS4JAK4xygHhEC5lIb.
Total Eclipse of the Heart: Brazilian Remixes (Radio Edit)
Total Eclipse of the Heart (Hauzy Ramz, Duda Santtos Remix) - Radio Edit
Total Eclipse of the Heart (Paxxo Remix) - Radio Edit
Total Eclipse of the Heart (Zambianco Remix) - Radio Edit
Total Eclipse of the Heart (Side-A Remix) - Radio Mix
Call On Me (Balma, JAMM’ Revibe) [Radio Edit]
Call On Me (Balma, JAMM’ Revibe) - Radio Edit
{"copyright_id":"0x80a9b21cad105c216124b0367e2483e8231f25eadf266b7020a542cb13d3e270","isrc":"BR1H62100200","name":"Total Eclipse of the Heart","registered_at":"2026-06-27T02:52:12Z","spotify_id":"3LCgNUyKXn8xOKOWiwa9gy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a9b21cad105c216124b0367e2483e8231f25eadf266b7020a542cb13d3e270. 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/3LCgNUyKXn8xOKOWiwa9gy.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/3LCgNUyKXn8xOKOWiwa9gy.
{"copyright_id":"0xcd558159f60f2875fe37763fa48ebee15ca52c22e18a30675d5b9ecc90d92cee","isrc":"BR1H62200400","name":"Party Non-Stop","registered_at":"2026-06-27T02:52:34Z","spotify_id":"3STwcQy3DsLZFrCqpNPY3Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd558159f60f2875fe37763fa48ebee15ca52c22e18a30675d5b9ecc90d92cee. 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/3STwcQy3DsLZFrCqpNPY3Z.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/3STwcQy3DsLZFrCqpNPY3Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516c5a1e374f79d6f7c1c24b4b4e682f3584f39c8071a6736664a6d0a3a618a4. 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/1LlF9l0TZNhYaeV1m7BzNd.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/1LlF9l0TZNhYaeV1m7BzNd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa423402503139c432843fbf52b73643c3628f8e8a7f04872beb9d1edb82c3b69. 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/3OVuhUrvlx5sCjLQ86hc9q.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/3OVuhUrvlx5sCjLQ86hc9q.