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 0xbe5ad2522144882d2b87e35bf6c12f1093be320cba2a94d17b32482b052930e2. 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/066ee738-2636-456e-bfc3-01843432e382.json and https://artists.proofprofile.net/proofs/artist/066ee738-2636-456e-bfc3-01843432e382.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vurdu Beni (Aşık Haşimi'ye Saygı Albümü)
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 0x35b43b017005d8def2efe5ed3c160dc6a27dd93f830a6d84081f64e9e343554d. 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/3MVj9xTwRhWpQmyrlmbQ9y.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/3MVj9xTwRhWpQmyrlmbQ9y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1aa62b4275a42eee5ab9e4bc747e3bb2b72ee71f55e890df0794c675e7b8e53. 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/0pk5aEPqTtyL6WLlHMOWdI.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/0pk5aEPqTtyL6WLlHMOWdI.
{"copyright_id":"0x7ea538100d92937b29dfcbc23646be7e3dcce3acd488101f829d9bd925d86def","isrc":"TR0150501108","name":"Alıpta Gittin","registered_at":"2026-06-25T14:55:08Z","spotify_id":"11oLtvgUdWRigsRc5ncLVz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea538100d92937b29dfcbc23646be7e3dcce3acd488101f829d9bd925d86def. 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/11oLtvgUdWRigsRc5ncLVz.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/11oLtvgUdWRigsRc5ncLVz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04142bc0d8e27649a7ae6771d921962ef250c5cf4a5a0a9864dbed3955764f90. 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/5zMXVJd72lNuWkSNHQJcSf.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/5zMXVJd72lNuWkSNHQJcSf.
{"copyright_id":"0xfd7336d92abda949d2eaab01852eb61dc29f9b737d8fc9aa8985ba2c0b2c1b40","isrc":"TR0362200021","name":"Efkarın Beni Tüketti","registered_at":"2026-06-10T21:55:07Z","spotify_id":"4Ps11miVUuJaxSm1gpP2zR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd7336d92abda949d2eaab01852eb61dc29f9b737d8fc9aa8985ba2c0b2c1b40. 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/4Ps11miVUuJaxSm1gpP2zR.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/4Ps11miVUuJaxSm1gpP2zR.
{"copyright_id":"0x3af9ec946293f4c2a7a10d0e57645d6f39aeb8c7c50db193e96594d9fe2a1c8c","isrc":"TRARD2000067","name":"Kimsesizler Ülkesi","registered_at":"2026-06-09T11:07:22Z","spotify_id":"6ydvYFNQnvB1FA1jGsq8ee","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af9ec946293f4c2a7a10d0e57645d6f39aeb8c7c50db193e96594d9fe2a1c8c. 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/6ydvYFNQnvB1FA1jGsq8ee.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/6ydvYFNQnvB1FA1jGsq8ee.
{"copyright_id":"0x2bf5e61c4ec1a82fad16ca9dd17618ab2a3c6e5d6cc8cdd2c34ca0d80f3d7660","isrc":"TRARD1500312","name":"Ela Gözlüm Ben Bu Elden Gidersem","registered_at":"2026-06-21T05:10:07Z","spotify_id":"3cvw3RvhiK1EDfS6OUhPnT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf5e61c4ec1a82fad16ca9dd17618ab2a3c6e5d6cc8cdd2c34ca0d80f3d7660. 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/3cvw3RvhiK1EDfS6OUhPnT.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/3cvw3RvhiK1EDfS6OUhPnT.
{"copyright_id":"0x5068cdeffd1da46c4e68bde2da4e58dac158ee386567596a5fa4c46c21b43776","isrc":"TR9932200551","name":"Aşkındır Senin","registered_at":"2026-06-21T08:30:48Z","spotify_id":"6ZpxnKXzuvL7P1PSQSCkZP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5068cdeffd1da46c4e68bde2da4e58dac158ee386567596a5fa4c46c21b43776. 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/6ZpxnKXzuvL7P1PSQSCkZP.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/6ZpxnKXzuvL7P1PSQSCkZP.
{"copyright_id":"0xfc217b8d6acd1d140d055cfdb873835bead1b4de90200a6976b6fdc246e7aba1","isrc":"TR0150800070","name":"Yardan Çektiklerim","registered_at":"2026-06-27T17:07:31Z","spotify_id":"0zVkB7QBGfi2gKTDtmSjzA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc217b8d6acd1d140d055cfdb873835bead1b4de90200a6976b6fdc246e7aba1. 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/0zVkB7QBGfi2gKTDtmSjzA.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/0zVkB7QBGfi2gKTDtmSjzA.