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 0x566b876cd201c8629a57482b5102ba31653862366d75534b6b8e586130aaa6ac. 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/b0406947-7930-49a3-809e-365173546f5c.json and https://artists.proofprofile.net/proofs/artist/b0406947-7930-49a3-809e-365173546f5c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sweet Dreams - Robert Burian Extended Remix
{"copyright_id":"0x842ffac20f31ebce9c4786235e5f6e09badb39f2b6efa802f71d34a26682dc02","isrc":"CH3132317888","name":"Sweet Dreams - Robert Burian Extended Remix","registered_at":"2026-06-24T18:24:56Z","spotify_id":"5wAIlvkzobzliwGhtjVD8R","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 0x842ffac20f31ebce9c4786235e5f6e09badb39f2b6efa802f71d34a26682dc02. 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/5wAIlvkzobzliwGhtjVD8R.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/5wAIlvkzobzliwGhtjVD8R.
{"copyright_id":"0x52383a27bc8cbcee4da79d0d0eef3d8bbd2cf8cd495dcfe888defe38f4d54b78","isrc":"QZYFZ2461868","name":"Dnes tancujeme spolu","registered_at":"2026-06-27T10:47:01Z","spotify_id":"60xHK3ebAlYUBeGK2vticQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52383a27bc8cbcee4da79d0d0eef3d8bbd2cf8cd495dcfe888defe38f4d54b78. 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/60xHK3ebAlYUBeGK2vticQ.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/60xHK3ebAlYUBeGK2vticQ.
{"copyright_id":"0x0e1daf39723e7c5653f0a3497316ceb8a0eb9c3c28ac037c0990c1dcfc87a9f8","isrc":"QZYFZ2430145","name":"Make Me Say - Radio version","registered_at":"2026-06-05T04:47:13Z","spotify_id":"1hp02IGQQnjTKQXKJ2Jyri","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1daf39723e7c5653f0a3497316ceb8a0eb9c3c28ac037c0990c1dcfc87a9f8. 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/1hp02IGQQnjTKQXKJ2Jyri.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/1hp02IGQQnjTKQXKJ2Jyri.
{"copyright_id":"0x79348cf7aa4d6c5cb8e790ffcac323e7ff3c4fd70f67fb50269a8caa9c947e8c","isrc":"QZYFZ2430146","name":"Make Me Say - Extended version","registered_at":"2026-06-27T10:47:32Z","spotify_id":"2bAuCzMEWP7Li1Xp558r35","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79348cf7aa4d6c5cb8e790ffcac323e7ff3c4fd70f67fb50269a8caa9c947e8c. 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/2bAuCzMEWP7Li1Xp558r35.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/2bAuCzMEWP7Li1Xp558r35.
{"copyright_id":"0x147fabd684949768f0ebd5329fc98d42ceb117b54ca140434ea4480dcec74146","isrc":"QZYFZ2431314","name":"Toto sme tu ešte nemali - Radio Version","registered_at":"2026-06-17T09:15:14Z","spotify_id":"1Im8jDB0O9CPABXENUDHdc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x147fabd684949768f0ebd5329fc98d42ceb117b54ca140434ea4480dcec74146. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:45:55Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Im8jDB0O9CPABXENUDHdc.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/1Im8jDB0O9CPABXENUDHdc.
Toto sme tu ešte nemali - Extended Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fd4cb92e0605d97065447bc78c0cfb5a23ea89b4e99a5af58af7d56fa523aa. 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/4eYC185oviTetanluGB2Il.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/4eYC185oviTetanluGB2Il.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561f990c02bdb270d69dc6dc54e6fd9049aadb4e7312fc18ae913a2768c698ca. 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/6gihALjLG1tNj4in7A0o76.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/6gihALjLG1tNj4in7A0o76.
{"copyright_id":"0x9d1067d24d2576729fd158a62df8ba7bdfc3b2c164a774d1624514922a4f5e5f","isrc":"SKBD12240103","name":"Není také poléčko - Robert Burian Remix","registered_at":"2026-06-20T19:54:20Z","spotify_id":"1qlkOVFxRxxr95nOgUCJdL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1067d24d2576729fd158a62df8ba7bdfc3b2c164a774d1624514922a4f5e5f. 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/1qlkOVFxRxxr95nOgUCJdL.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/1qlkOVFxRxxr95nOgUCJdL.
Není také poléčko - Robert Burian Remix - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f8c967b00e37ca19b4196e1d3aeb6a0e75660c452977421ba53b6037511a18. 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/4iChK2mRCuMaFOS01NBYQL.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/4iChK2mRCuMaFOS01NBYQL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8412dd7a087c2906e4d865105baf5c0f38cc1784a251ee590965936c0bc0408e. 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/38TB2TOkr9oZW1Vh86C5KW.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/38TB2TOkr9oZW1Vh86C5KW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d52d31343feea8a4a4437f4b4d3ae483d3575f708de811de8083b2d6ae820e7. 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/50m2cmtmCckJYPZFb1n22U.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/50m2cmtmCckJYPZFb1n22U.
{"copyright_id":"0x6eca514986feca0ba3b164d5977bf8ab5a865fa9f5e9251fe84dc127b136a6ea","isrc":"QZYFZ2333974","name":"Kde si včera bol 2023 - Radio Mix","registered_at":"2026-06-10T05:55:31Z","spotify_id":"0zkg0Mtgp2Nl3ilwqiwODQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eca514986feca0ba3b164d5977bf8ab5a865fa9f5e9251fe84dc127b136a6ea. 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/0zkg0Mtgp2Nl3ilwqiwODQ.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/0zkg0Mtgp2Nl3ilwqiwODQ.
Kde si včera bol 2023 - Extended version
{"copyright_id":"0x16c4d27dceddf95bd6e2a6ef5cfa1c8201b2dc2cf7aa4d73609d027e948fd3f5","isrc":"CH3132217252","name":"Never Ever","registered_at":"2026-06-08T13:34:38Z","spotify_id":"5w9I2F2fzgqkeQ2xQDMlsz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16c4d27dceddf95bd6e2a6ef5cfa1c8201b2dc2cf7aa4d73609d027e948fd3f5. 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/5w9I2F2fzgqkeQ2xQDMlsz.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/5w9I2F2fzgqkeQ2xQDMlsz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a0cd1b21084d614fcdf3db39f5b2e99a81c315675b475bd3d78b639b8f12ea. 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/6Zdcw0yntsDBNaYnj5sQ2l.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/6Zdcw0yntsDBNaYnj5sQ2l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x813334626e246f9f7133786dd7306c1f9a77255c60c1266af12746f807c08e6c. 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/4BBdGYZGFJxVg6UvNWXvB2.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/4BBdGYZGFJxVg6UvNWXvB2.
Zima na saniach (feat. Michal Dočolomanský) [Robert Burian radio remix]
Zima na saniach (feat. Michal Dočolomanský) - Radio Remix
Zima na saniach (feat. Michal Dočolomanský) [Robert Burian extended dance remix]
Zima na saniach (feat. Michal Dočolomanský) - Robert Burian extended dance remix
Zima na saniach (feat. Michal Dočolomanský) [Robert Burian dance remix]
Zima na saniach (feat. Michal Dočolomanský) - Robert Burian dance remix
S úsmevom (feat. Karol Duchoň) [Extended Remix]
S úsmevom (feat. Karol Duchoň) - Extended Remix
Zvládneš to sám (feat. Robo Papp) - Extended Mix
Zvládneš to sám (feat. Robo Papp) - Radio Mix