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 0x06d0785b6c50858421da8ca72fabec89a5060638fdfdd4ac7d117433d6206d73. 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/d2f934a4-a59e-4370-85bc-a169f327015c.json and https://artists.proofprofile.net/proofs/artist/d2f934a4-a59e-4370-85bc-a169f327015c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Yıldızların Altında - Álvaro Suárez Remix
Yıldızların Altında - Anatolian Sessions Remix
{"copyright_id":"0x3d95007103482c68be5d780c8878c47bdabda164eb03199c753c55c35f4fdb09","isrc":"FR6F31920050","name":"Gözleri Aka Gülen (Alizarina Remix)","registered_at":"2026-06-08T11:56:28Z","spotify_id":"1i2QIv8BkwLuKzwkNKXmZN","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 0x3d95007103482c68be5d780c8878c47bdabda164eb03199c753c55c35f4fdb09. 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/1i2QIv8BkwLuKzwkNKXmZN.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/1i2QIv8BkwLuKzwkNKXmZN.
Yıldızların Altında (Ravin & Thor Remix)
{"copyright_id":"0x3c2d57e03571a206b9e20ceed0e1ecf869da5d8cf34353773567526066a1193e","isrc":"QM7281794537","name":"Yıldızların Altında (Ravin & Thor Remix)","registered_at":"2026-06-08T19:58:37Z","spotify_id":"3fopXVh791DNFm8oUqwau7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c2d57e03571a206b9e20ceed0e1ecf869da5d8cf34353773567526066a1193e. 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/3fopXVh791DNFm8oUqwau7.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/3fopXVh791DNFm8oUqwau7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4f930136e20fd15c2e8b4aed8f5468df2b612bc9e564abf229955968055d83. 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/2dGjBDCfjiJAtXl3xM78p9.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/2dGjBDCfjiJAtXl3xM78p9.
{"copyright_id":"0xd2542a2eb5b1c0bc3e6844ceaaf4b85151c99804076d86b934a31796805e5085","isrc":"US83Z2011782","name":"Istanbul'a - Herrhausen & Treindl Remix","registered_at":"2026-06-23T09:08:24Z","spotify_id":"5TSRn2oMqX6KO32SGUsOKr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2542a2eb5b1c0bc3e6844ceaaf4b85151c99804076d86b934a31796805e5085. 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/5TSRn2oMqX6KO32SGUsOKr.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/5TSRn2oMqX6KO32SGUsOKr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc72af462430cd7091778ed0ef22f1814418ec8eab1263ebbe02a72c51563c59. 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/7y6S7MB6d8SaOmEb7BWqWT.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/7y6S7MB6d8SaOmEb7BWqWT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c68b52d978ea7ede499ddd5c17cdbc29376545303a7030424ae3a81cbd7ffd0. 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/1vHxVXMasvrv95n7l1OQjv.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/1vHxVXMasvrv95n7l1OQjv.
{"copyright_id":"0x2bdc006c9d7c497c3261f518ac314d8b19eef6643073b9eb0a7cf6a88b24adb9","isrc":"US83Z1901041","name":"Prima Vera","registered_at":"2026-06-10T04:56:57Z","spotify_id":"3tIGSKlM7snsjwZEvedcZF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bdc006c9d7c497c3261f518ac314d8b19eef6643073b9eb0a7cf6a88b24adb9. 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/3tIGSKlM7snsjwZEvedcZF.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/3tIGSKlM7snsjwZEvedcZF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea633b01da3abe761b020415c06ca865ba5d51a05cc9965d572481b4c0bc6584. 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/7i650ozZjXNUNT1AFqxAI4.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/7i650ozZjXNUNT1AFqxAI4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88c10c3d092785de44d65bb79f0848be0e018548707fe309656c99f8c969e6a. 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/0mYAQDswentArkl8Oh20R4.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/0mYAQDswentArkl8Oh20R4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953f8f175cdabd701228dfeaf0a0624376127fbecc37e8f865fa7d5808e8dfa3. 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/4jHY2UCmWcPNAKF8tdU2oJ.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/4jHY2UCmWcPNAKF8tdU2oJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f8c4a3e3f772e9cb97931dcd6e2fe23d919e473b1aa5ee3fcb45b079262a72. 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/0cIXc8fdgzN7aHEI3RXBS4.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/0cIXc8fdgzN7aHEI3RXBS4.
Kuyu - Mercan Dede & Dexter Crowe Rework
{"copyright_id":"0x06c82c1db2973da87d7f2a84123e80325cef7aef7744c512cf84fe063f1a5e43","isrc":"US83Z2125209","name":"Kuyu - Mercan Dede & Dexter Crowe Rework","registered_at":"2026-06-23T00:05:22Z","spotify_id":"2gyINR8P4YrEazKiADCRVO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c82c1db2973da87d7f2a84123e80325cef7aef7744c512cf84fe063f1a5e43. 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/2gyINR8P4YrEazKiADCRVO.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/2gyINR8P4YrEazKiADCRVO.
{"copyright_id":"0xd8f4985b9b1ac30c13c0926b0c5ba7a95dd145a6ce938fe6f8b75b157da95256","isrc":"US83Z2102947","name":"Bulut - Martin Roth Rework","registered_at":"2026-06-11T05:41:44Z","spotify_id":"1fCdAGfzCs2yjSJrqcgnx6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f4985b9b1ac30c13c0926b0c5ba7a95dd145a6ce938fe6f8b75b157da95256. 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/1fCdAGfzCs2yjSJrqcgnx6.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/1fCdAGfzCs2yjSJrqcgnx6.
{"copyright_id":"0x3c12b32f8c7fc1d84d47d0bb8a70cbf53d8dddcd1c8c2e0b8faeae3c667e6563","isrc":"US83Z2102948","name":"Kuyu - Oceanvs Orientalis Rework","registered_at":"2026-06-11T05:41:26Z","spotify_id":"39avGh3g9SvEJ4Mk0bjSub","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c12b32f8c7fc1d84d47d0bb8a70cbf53d8dddcd1c8c2e0b8faeae3c667e6563. 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/39avGh3g9SvEJ4Mk0bjSub.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/39avGh3g9SvEJ4Mk0bjSub.