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 0xd89138f879793e07e243824374a7bb21e4625ec4c7b3ead4384e3f036c375ec3. 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/4e7f7117-3466-48cb-b723-47a6b95e6fa2.json and https://artists.proofprofile.net/proofs/artist/4e7f7117-3466-48cb-b723-47a6b95e6fa2.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 0xe1578d194097e1567bfa83aa69ea671923738303e1c064f8a483812ba54e89fe. 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/4hj69bxnpjLFUVH2tUhn75.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/4hj69bxnpjLFUVH2tUhn75.
Ben Bana Yeterim - Yakıyormuşsun Hani Ankarayı
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340576530c5e3f37108b2e81cbc87e7312c30ce895c03a70121d257714364ca0. 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/6EsHveEAZnKBj4oAF6q8ZL.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/6EsHveEAZnKBj4oAF6q8ZL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1df555f889fcac647414fa9ad910d415f1ade010d0e77283557f5ae1998107. 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/6UTeI3IlIhdT1UULJSQsdY.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/6UTeI3IlIhdT1UULJSQsdY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x640d4e4789f15e47dc653e784b327ee47430dc569c5389d675264997b4d6daf8. 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/16tIWqry30XKJr2nDzf4eB.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/16tIWqry30XKJr2nDzf4eB.
{"copyright_id":"0xd4c16d44c499bfb2636bcc1e8b0e6eb5bb6f394327df102c9fb778e545a38fbe","isrc":"FR59R2520188","name":"Kader Torbası","registered_at":"2026-06-09T12:31:18Z","spotify_id":"53SH9mqB6u5djyzvNPWLnj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4c16d44c499bfb2636bcc1e8b0e6eb5bb6f394327df102c9fb778e545a38fbe. 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/53SH9mqB6u5djyzvNPWLnj.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/53SH9mqB6u5djyzvNPWLnj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x753479c21b18fb76c233363bf844d27d66b15216c9692c2a5f89ff6160895a97. 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/0vng2QluLiZQETohb2boH4.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/0vng2QluLiZQETohb2boH4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecb33cb23a7e5c7301b3b825875d6681111184c21e5c94ba49538ac14221496. 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/4P75YZJMqcTxL2TOfZa8Pm.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/4P75YZJMqcTxL2TOfZa8Pm.
{"copyright_id":"0x7e20ce426591329a52113d31b76dac94afd0dfa1e832184ddad6ea0733edd454","isrc":"DGA0T2429191","name":"Taş Var Diyorsan","registered_at":"2026-06-27T22:40:20Z","spotify_id":"5tIUEPUw1fVrIfMAz0iQfg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e20ce426591329a52113d31b76dac94afd0dfa1e832184ddad6ea0733edd454. 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/5tIUEPUw1fVrIfMAz0iQfg.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/5tIUEPUw1fVrIfMAz0iQfg.
{"copyright_id":"0xdebc7f29c8521dde758a12100cd61f265e4c2ea25dfa5fe965804283a96939dc","isrc":"DGA0S2483601","name":"Sincan Yollarında","registered_at":"2026-06-27T22:40:10Z","spotify_id":"3YSyMMgBWttwZwSmtavScT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdebc7f29c8521dde758a12100cd61f265e4c2ea25dfa5fe965804283a96939dc. 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/3YSyMMgBWttwZwSmtavScT.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/3YSyMMgBWttwZwSmtavScT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x917761721469449f9de8b9b6db70e0cc1c0feed97cde6868c49cfbb2ab060728. 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/1paMLvUeJYA9ho8jtK4HtH.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/1paMLvUeJYA9ho8jtK4HtH.