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 0x2c817d738478d9e348ef8e75d63600622d5a49a67f25847bfc91f9d225b2ee9b. 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/0300fa58-ed87-42ec-9efe-894fe1b98dc5.json and https://artists.proofprofile.net/proofs/artist/0300fa58-ed87-42ec-9efe-894fe1b98dc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Baglasan Durmam - Ciddi Ciddi - Korkumdan Agladim
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 0x93d7be892c0e88fb68061f7c9bdca602f274443eb81696ae689439b5758dcba8. 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/7frrEIBA1OUWWSIek0ypZl.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/7frrEIBA1OUWWSIek0ypZl.
{"copyright_id":"0x089b5b4c84f9c0a5d323e446c9eba705295a0db585aebb9a3ed7ba877ae72e8f","isrc":"TR0210700282","name":"Mutlu Musun Güzelim","registered_at":"2026-06-29T18:49:31Z","spotify_id":"6DTvSlTmI6cbLWdhXywwoS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089b5b4c84f9c0a5d323e446c9eba705295a0db585aebb9a3ed7ba877ae72e8f. 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/6DTvSlTmI6cbLWdhXywwoS.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/6DTvSlTmI6cbLWdhXywwoS.
{"copyright_id":"0xd3d284d4b6ef26b1e1f6335522cf6c39faa05a34717a82b8d406e9beec98532c","isrc":"TR0531002397","name":"Sırada Sen Varsın - Volga Tamöz Vers.","registered_at":"2026-06-28T19:35:58Z","spotify_id":"6lOR1Qxxk0gRCZE2gWWeU4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d284d4b6ef26b1e1f6335522cf6c39faa05a34717a82b8d406e9beec98532c. 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/6lOR1Qxxk0gRCZE2gWWeU4.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/6lOR1Qxxk0gRCZE2gWWeU4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80c6ed7863639dbd95775b572aa48ba3dcad6410b6ad752d0038501ba5a50ab8. 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/5yQzpG8bnGGIynrnT1s3Go.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/5yQzpG8bnGGIynrnT1s3Go.
{"copyright_id":"0xf2cc61785dfb1f29a280ca8345404880f33d1ada1c82b0d3de86ca36ef6a6d04","isrc":"FR6V81706771","name":"Hey Gidi Dünya Hey","registered_at":"2026-06-23T07:10:00Z","spotify_id":"1fiBSEqqQA4nyW0FV26Vru","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2cc61785dfb1f29a280ca8345404880f33d1ada1c82b0d3de86ca36ef6a6d04. 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/1fiBSEqqQA4nyW0FV26Vru.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/1fiBSEqqQA4nyW0FV26Vru.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x546dc4d0d49560bf54997bd107dddb92a8c9b2579603f2e02f9a28a55854be27. 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/57gxwF4HJk8IDc9X0JS0p9.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/57gxwF4HJk8IDc9X0JS0p9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0831b312a0812b02e1626132ee2a5cb694b46a46e94b0bb45bc73e721b634a0. 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/5bz3BEK7w3MCXCRuqIAJMD.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/5bz3BEK7w3MCXCRuqIAJMD.
Kimler Geldi Kimler Geçti, Vol. 2 (Fikret Şeneş Şarkıları)
{"copyright_id":"0xc2b3d9a96eb6ae8c9663d13c6bd854ea4c7c25c9516fd4a3d4c7a06b7fafb093","isrc":"TRAZK1900062","name":"Bir Günah Gibi","registered_at":"2026-06-08T05:32:54Z","spotify_id":"6FCYPtVMdlqAmF74x289nP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b3d9a96eb6ae8c9663d13c6bd854ea4c7c25c9516fd4a3d4c7a06b7fafb093. 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/6FCYPtVMdlqAmF74x289nP.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/6FCYPtVMdlqAmF74x289nP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f7f60617c92ead8a59a81ab12f4fd824597376b31133b390bd994cc4f51511. 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/3cWxmFkXinxcQkU9fgij01.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/3cWxmFkXinxcQkU9fgij01.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe179e693ad11b8e942d64ee3a6d2a24822a5a15ccc3c1ec956e4e927581588ec. 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/6qJgAbfwvZCpVIriEmG98u.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/6qJgAbfwvZCpVIriEmG98u.