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 0x4187e2c6149229c4cae4b36b6c42f316e5d9e9aa1c4fa752d99556081ea76360. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ee01abf9-ffd3-4f3e-8d42-850934d7bbc0.json and https://artists.proofprofile.net/proofs/artist/ee01abf9-ffd3-4f3e-8d42-850934d7bbc0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1d3de95b7c9a32f47fadf8575fabc82cc284ac0c5a6d43e75cbc67bc1d4eec50","isrc":"KRMIM2026598","name":"Make It Pop","registered_at":"2026-06-18T14:05:30Z","spotify_id":"5n78OUnlNf8FT3AEPEll4e","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 0x1d3de95b7c9a32f47fadf8575fabc82cc284ac0c5a6d43e75cbc67bc1d4eec50. 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/5n78OUnlNf8FT3AEPEll4e.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/5n78OUnlNf8FT3AEPEll4e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x331881623471fa193fa61f2bee0b632790b0ae680b938026a46c7bb8a696235f. 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/3xFoOriPetBVCoJHpJKzU1.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/3xFoOriPetBVCoJHpJKzU1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11339fb85df9cb39d9f2beacd063cc7a1fc1a00cff700ba1c9404805cf731f92. 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/4n9y5hEcL9cxz4gA1N5pb5.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/4n9y5hEcL9cxz4gA1N5pb5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb4032ec38f94f2a8e88e8fec452f54110722ca60feedd56528f10ee550ab99. 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/6Md0VAaYdMQ3W6UI38MU8T.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/6Md0VAaYdMQ3W6UI38MU8T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbde8926f4f9dc704e827721340c72c3c524464d21711e0cd187648db9b7b359. 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/3BeI8ZLIIueCWiKY3VybK1.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/3BeI8ZLIIueCWiKY3VybK1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b5ce3bf8dc3846a358a5bb39409393d965c659627d32dff7c96f98e0ec63ac. 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/17G82ZKGJKzzqs93zjQPg3.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/17G82ZKGJKzzqs93zjQPg3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26a9f79f48d3504e16293de01ec15dde5d967fcba00705bb5964d9994b219cf. 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/0c3SuCKcQhcfziZcT9jmxP.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/0c3SuCKcQhcfziZcT9jmxP.
Be Like Your Dad (feat. Queen WA$ABII, Paloalto)
{"copyright_id":"0x5d344ddab94eeea91496ed0c803d37210bd2b30d9901f2856a08b61ae5810c78","isrc":"KRC392100027","name":"Be Like Your Dad (feat. Queen WA$ABII, Paloalto)","registered_at":"2026-06-09T05:51:06Z","spotify_id":"4U1P6xZdkFSbArFHnm3MHO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d344ddab94eeea91496ed0c803d37210bd2b30d9901f2856a08b61ae5810c78. 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/4U1P6xZdkFSbArFHnm3MHO.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/4U1P6xZdkFSbArFHnm3MHO.
Palm Tree (feat. Soovi) - Bonus Track Version
{"copyright_id":"0x1e15c27d3b12cb42b8a017fee807f027e0c7e00eb629a5f1867017b3260feeed","isrc":"KRC392100028","name":"Palm Tree (feat. Soovi) - Bonus Track Version","registered_at":"2026-06-20T21:10:07Z","spotify_id":"1cp2UqlTlsziTlWjhpyQlU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e15c27d3b12cb42b8a017fee807f027e0c7e00eb629a5f1867017b3260feeed. 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/1cp2UqlTlsziTlWjhpyQlU.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/1cp2UqlTlsziTlWjhpyQlU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a4054930da0813d5f84d60175acfceee51ee37c110c8468944c447b562a407. 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/7sd4bBiMwCfe6Ai19sZzjD.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/7sd4bBiMwCfe6Ai19sZzjD.
TROUBLE (feat. Chillin Homie, Ash-B & Paloalto)
{"copyright_id":"0xbb2a00a5f46e814f9652545625e26d8c8a1498d01e1d6131d3a480bd4be3c2e5","isrc":"KRMIM2021311","name":"TROUBLE (feat. Chillin Homie, Ash-B & Paloalto)","registered_at":"2026-06-25T17:17:46Z","spotify_id":"5XtbAYP5dBiyUlW6X99ZOU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2a00a5f46e814f9652545625e26d8c8a1498d01e1d6131d3a480bd4be3c2e5. 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/5XtbAYP5dBiyUlW6X99ZOU.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/5XtbAYP5dBiyUlW6X99ZOU.
Unpretty Rapstar (Don't stop) [(Prod. by D.O]
UNPRETTY RAPSTAR 3 First Show X SEMI FINAL
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x625478f10650282965cf61dd58acb5cecefe5ba7078b7fd6f07683ec864d1391. 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/7ycyyM2oY06ecHkxGO8DSw.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/7ycyyM2oY06ecHkxGO8DSw.
{"copyright_id":"0x18c936b6ac2ec8fb4399b26fecd8a959ff6326d771e12fcb9eb2f9b9be6d82cc","isrc":"KRMIM1924558","name":"Love Paradox (feat. Ash-B)","registered_at":"2026-06-07T20:42:33Z","spotify_id":"1kIVH72XZlgZsE2j2tYYyX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c936b6ac2ec8fb4399b26fecd8a959ff6326d771e12fcb9eb2f9b9be6d82cc. 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/1kIVH72XZlgZsE2j2tYYyX.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/1kIVH72XZlgZsE2j2tYYyX.