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 0x65bdd7a639e81966d442944c7883bffd3ec38589e5c919303409c70b3fc987d5. 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/4111b156-1332-4c89-8401-0bb37d537365.json and https://artists.proofprofile.net/proofs/artist/4111b156-1332-4c89-8401-0bb37d537365.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Come Upright (Prod. Viann) - Instrumental
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 0x4bde23c0a1498f141bbe520dd513c01cd35f05cfda47bb59774af253baf321a7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KQLpH9KkyHTWrisLJ3NyS.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/1KQLpH9KkyHTWrisLJ3NyS.
Django (Feat. OUREALGOAT, lobonabeat!, Gwangil Jo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d36625654759682bd50466d08c764a30a1607df991e46f320bb75863b8324c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6605lg0mbsHwJroFaEUtFH.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/6605lg0mbsHwJroFaEUtFH.
Y earned (Feat. Gaeko, SOLE) (Prod. Primary, plusNONE)
{"copyright_id":"0x77fed7506579ab98af7b1607765985218363f7b27fc158bf3825d2a54e2b4799","isrc":"KRA492001572","name":"Y earned (Feat. Gaeko, SOLE) (Prod. Primary, plusNONE)","registered_at":"2026-06-17T20:39:42Z","spotify_id":"5HbN3PIXPQiHRb3MKuqGO5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77fed7506579ab98af7b1607765985218363f7b27fc158bf3825d2a54e2b4799. 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/5HbN3PIXPQiHRb3MKuqGO5.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/5HbN3PIXPQiHRb3MKuqGO5.
Y earned (Prod. Primary, plusNONE) - Instrumental
{"copyright_id":"0x6a14a8bb74fdc1f8745a99a0b1c8d73e021cf8e38bd814c40f771c0f069da3ec","isrc":"KRA492201240","name":"MY WAY (Prod. R.Tee)","registered_at":"2026-06-04T13:01:20Z","spotify_id":"3XfngyuVjltVRHSsLjrCRO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a14a8bb74fdc1f8745a99a0b1c8d73e021cf8e38bd814c40f771c0f069da3ec. 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/3XfngyuVjltVRHSsLjrCRO.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/3XfngyuVjltVRHSsLjrCRO.
Win Win (Feat. Gaeko, BewhY) (Prod. BewhY)
{"copyright_id":"0xe93f123ef52c9e349935412aedcbda4ac2f3ac064a0991442379ec72ec4bd5d4","isrc":"KRA492001307","name":"Win Win (Feat. Gaeko, BewhY) (Prod. BewhY)","registered_at":"2026-06-06T02:17:04Z","spotify_id":"0bX5XMCqEJvvaQ7SgjhHLh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93f123ef52c9e349935412aedcbda4ac2f3ac064a0991442379ec72ec4bd5d4. 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/0bX5XMCqEJvvaQ7SgjhHLh.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/0bX5XMCqEJvvaQ7SgjhHLh.
Ugly duckling (Prod. R.Tee) - Instrumental
STREET SINGER REMIX (Feat. 노윤하, 던밀스, 가오가이, 키츠요지, 오담률, 허성현)
{"copyright_id":"0x202feec7a30dec33ecdef9ff65473564e5e5f0b344011d7039df6dae0673cd71","isrc":"ZZA0P2313472","name":"STREET SINGER REMIX (Feat. 노윤하, 던밀스, 가오가이, 키츠요지, 오담률, 허성현)","registered_at":"2026-06-07T19:09:46Z","spotify_id":"6xRrWMkeXjRTdhpO8bvD4Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202feec7a30dec33ecdef9ff65473564e5e5f0b344011d7039df6dae0673cd71. 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/6xRrWMkeXjRTdhpO8bvD4Z.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/6xRrWMkeXjRTdhpO8bvD4Z.
{"copyright_id":"0x6bffe6620c6f28ae2e538d7b69b7acf07d04025ca8c494731bda57e42f501782","isrc":"KRA382400781","name":"Talk Money MEGA Mix (Prod. Wiz World)","registered_at":"2026-06-25T17:12:29Z","spotify_id":"6DJpnE5UQZi7zIZIVYwnMe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bffe6620c6f28ae2e538d7b69b7acf07d04025ca8c494731bda57e42f501782. 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/6DJpnE5UQZi7zIZIVYwnMe.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/6DJpnE5UQZi7zIZIVYwnMe.
Burn Up (Feat. Dynamicduo) (Prod. R.Tee)
{"copyright_id":"0x0db4db5942c88aba512aafd67e82563dcb180bca5366c4bffc5020b051eff1ab","isrc":"KRA492201270","name":"Burn Up (Feat. Dynamicduo) (Prod. R.Tee)","registered_at":"2026-06-07T18:31:52Z","spotify_id":"6tQEQqw6LInoszJ1k19v8k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db4db5942c88aba512aafd67e82563dcb180bca5366c4bffc5020b051eff1ab. 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/6tQEQqw6LInoszJ1k19v8k.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/6tQEQqw6LInoszJ1k19v8k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678585c8555ae72dae4372e370bf19c2d4923f8f4c81636a2356f99355bf106b. 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/0XVzQQ8m7CHmc58TDMJuRj.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/0XVzQQ8m7CHmc58TDMJuRj.
Way up (Feat. CAMO, JUSTHIS) (Prod. R.Tee)
{"copyright_id":"0xd113b2ad4fcad7c14dac1a1270222badf11d4398b34a52b339d0b9375ec973d8","isrc":"KRA492201310","name":"Way up (Feat. CAMO, JUSTHIS) (Prod. R.Tee)","registered_at":"2026-06-07T18:37:58Z","spotify_id":"75hcx0Zao2wGlveS7kLIZo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd113b2ad4fcad7c14dac1a1270222badf11d4398b34a52b339d0b9375ec973d8. 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/75hcx0Zao2wGlveS7kLIZo.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/75hcx0Zao2wGlveS7kLIZo.
Ugly duckling (Feat. sunwoojunga, BOBBY) (Prod. R.Tee)
{"copyright_id":"0x9af2994f0804eb18f034a3dd5a720bf463aec76a8258a630838cdf78de4c5dbd","isrc":"KRA492201293","name":"Ugly duckling (Feat. sunwoojunga, BOBBY) (Prod. R.Tee)","registered_at":"2026-06-05T15:54:26Z","spotify_id":"4CtEpNW39gY6bHWFDfoXKG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af2994f0804eb18f034a3dd5a720bf463aec76a8258a630838cdf78de4c5dbd. 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/4CtEpNW39gY6bHWFDfoXKG.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/4CtEpNW39gY6bHWFDfoXKG.