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 0xda1a9ed73e50e6cb80f87d40246ba39f3be78b879b983f27dba34f4f31a003b0. 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/33fe0590-0409-437e-98b2-0d69ce64f630.json and https://artists.proofprofile.net/proofs/artist/33fe0590-0409-437e-98b2-0d69ce64f630.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 0x928eba8914616d54445ea20eface3c5e62e2be98c869281e72887ee22a509b03. 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/6wQvbzsxSLKqYrPc26jd9S.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/6wQvbzsxSLKqYrPc26jd9S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844e8ce86bde1489e00334c910c62147543235d7f583905ad6d4d1bf69826c33. 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/6Bnr358vkW42Ut4OD71UNw.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/6Bnr358vkW42Ut4OD71UNw.
Love You Tonight (feat. DJ Maphorisa, Sha Sha & Kabza De Small)
{"copyright_id":"0x1ee2c408b7d2711552528d0da0b3e016fd3efb3763c4d0c3e4d361afe405fe2e","isrc":"ZA0I41900030","name":"Love You Tonight (feat. DJ Maphorisa, Sha Sha & Kabza De Small)","registered_at":"2026-06-04T12:00:18Z","spotify_id":"2NbUnaGrjwRuRjZ5EPyOR5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ee2c408b7d2711552528d0da0b3e016fd3efb3763c4d0c3e4d361afe405fe2e. 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/2NbUnaGrjwRuRjZ5EPyOR5.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/2NbUnaGrjwRuRjZ5EPyOR5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d0a2cb426dac9ce000314a96292332c3c8f0d55326562175b072107892f05b. 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/73wcFiFeCQurmHDQIcirbm.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/73wcFiFeCQurmHDQIcirbm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a9399f2f3e0ee4b86817a7795b90782a135d56bba2d340dfcde5de593ce67b8. 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/5qdNyPRyCt5tk2duSIZx98.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/5qdNyPRyCt5tk2duSIZx98.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b9162c9f509e65248db079ef7eba368c8b40289b93cc66e4d85ae149ba5306. 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/0bFYGyhEKTpH53HKOAGY4P.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/0bFYGyhEKTpH53HKOAGY4P.
{"copyright_id":"0x5e53fac3705691f4cc4c8e923fd3c4434df060da0e04bf36c5bc9dd5d71509fe","isrc":"ZAJBA2407013","name":"10K Yey'nkomo","registered_at":"2026-06-04T15:00:59Z","spotify_id":"0tMC74PjiMb4EMPvknyWKV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e53fac3705691f4cc4c8e923fd3c4434df060da0e04bf36c5bc9dd5d71509fe. 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/0tMC74PjiMb4EMPvknyWKV.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/0tMC74PjiMb4EMPvknyWKV.
Call Me - (HyperSOUL-X's HT Mix) [Timmy Regisford Edit]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f55be3d8bb4f6875cbe20c07e7372a59ed83617430114dfc450b5abe55b87de. 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/6hZWQcErcZpaYBsCjqMabj.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/6hZWQcErcZpaYBsCjqMabj.
{"copyright_id":"0x7ce1f3177f7d80d87a96f7def5613f403cc7ee2993f96fa2a0bb036bff70e01d","isrc":"QZK6M2321070","name":"Maita Baba","registered_at":"2026-06-06T06:39:30Z","spotify_id":"7txQtQGWLHyPa7UNI90sth","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce1f3177f7d80d87a96f7def5613f403cc7ee2993f96fa2a0bb036bff70e01d. 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/7txQtQGWLHyPa7UNI90sth.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/7txQtQGWLHyPa7UNI90sth.
{"copyright_id":"0x1ee2c408b7d2711552528d0da0b3e016fd3efb3763c4d0c3e4d361afe405fe2e","isrc":"ZA0I41900030","name":"Love You Tonight (feat. DJ Maphorisa, Sha Sha & Kabza De Small)","registered_at":"2026-06-04T12:00:18Z","spotify_id":"16OxVuaZfax9fCamTdfg5b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ee2c408b7d2711552528d0da0b3e016fd3efb3763c4d0c3e4d361afe405fe2e. 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/16OxVuaZfax9fCamTdfg5b.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/16OxVuaZfax9fCamTdfg5b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04230c974da89a5ad1a67734fa627eba1002cd36f207f8ee8a114218eb4e1da7. 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/2tovCgF0V6pU5zSn69qZnz.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/2tovCgF0V6pU5zSn69qZnz.
Abangani Bakho (feat. Shasha, Tyler ICU, Xolani Guitar & Herc Cut The Lights)
{"copyright_id":"0xfc175ec06748ee2e3e00747211f94174ce7a3592be53c30d263304d48d71faca","isrc":"ZB1OS2300211","name":"Abangani Bakho (feat. Shasha, Tyler ICU, Xolani Guitar & Herc Cut The Lights)","registered_at":"2026-06-11T03:57:23Z","spotify_id":"1dbl3owCGZLmzaXpiblKgI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc175ec06748ee2e3e00747211f94174ce7a3592be53c30d263304d48d71faca. 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/1dbl3owCGZLmzaXpiblKgI.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/1dbl3owCGZLmzaXpiblKgI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2288ad196573a34206ebcd2c6894fc0f8eb8d3bc79fb5273832c328bc28183f. 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/1ySrv5CK5gHnehduj5xL0T.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/1ySrv5CK5gHnehduj5xL0T.
Need You Tonight (feat. Sha Sha, Kabza De Small & DJ Maphorisa)
{"copyright_id":"0x80e67674497d8eb3d8d3be9cf270b144a7011970325d884806b5032e561ff462","isrc":"ZAC012000252","name":"Need You Tonight (feat. Sha Sha, Kabza De Small & DJ Maphorisa)","registered_at":"2026-06-07T22:59:42Z","spotify_id":"601vvCNxWtLvS0Mrq8jWsR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e67674497d8eb3d8d3be9cf270b144a7011970325d884806b5032e561ff462. 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/601vvCNxWtLvS0Mrq8jWsR.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/601vvCNxWtLvS0Mrq8jWsR.
My Dali (feat. Sha Sha, Myztro, Mas Musiq & Thabzin SA)
{"copyright_id":"0x8c2e2d4d4f87eb43b1b674fdba7bf2b3bf596abee586171c6253ba4263f7c5bd","isrc":"ZAC012000258","name":"My Dali (feat. Sha Sha, Myztro, Mas Musiq & Thabzin SA)","registered_at":"2026-06-09T21:55:32Z","spotify_id":"6CiMmgCURVU1YsNQefVijN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2e2d4d4f87eb43b1b674fdba7bf2b3bf596abee586171c6253ba4263f7c5bd. 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/6CiMmgCURVU1YsNQefVijN.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/6CiMmgCURVU1YsNQefVijN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c455c43d5abbb2e363b18875661a1d95dc2f45e1d1330e1e9e7d5c0262d125. 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/0gio6A6kTCXbpsiy8Zer9j.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/0gio6A6kTCXbpsiy8Zer9j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd07a71b1215c3ae545a283832b449d31ade8892a56119d31e3b46cc9a20644f. 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/0JwYlFaVhAdZJ37xXfdhDb.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/0JwYlFaVhAdZJ37xXfdhDb.