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 0xd6f47e49e9d1689c6c700429951c3aa281ee6a4c9014b60f3ffb94487c8b03ad. 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/8971fb95-489e-4ae8-a34b-b06c577f94f4.json and https://artists.proofprofile.net/proofs/artist/8971fb95-489e-4ae8-a34b-b06c577f94f4.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 0xce554030ec79bd7733a0462984e427c4604ded1f4333b8358eeae51c0a8e154e. 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/4CuVSKSSHp9M3VCTpY43Au.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/4CuVSKSSHp9M3VCTpY43Au.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76636aba7dae94ac893fd075c73396252f5a56f06977abdd61ec22955c277ce5. 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/06BK49iPk7PiDhlGDfGDB3.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/06BK49iPk7PiDhlGDfGDB3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2266479e8f6ba570faf8587185b7781e48bbc700a191b4692f72aa3b38daa9. 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/5bEuql6CJIorJ9diFKgp9B.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/5bEuql6CJIorJ9diFKgp9B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792b55aef378e7bf82dc818277eed01c5a56cf7d5b36c2bd523e6b978f869d97. 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/3vruTvcAkcdgP80kCbhixo.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/3vruTvcAkcdgP80kCbhixo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce1c72b11cd3aaa3294f9dbd5027153ecc1be140dd5f6d96f8e2018de3c0c62. 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/4aDs4Ln7BRWYuAHao1NamS.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/4aDs4Ln7BRWYuAHao1NamS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf15325a81793272e331d3694f9536c41266259e36ecd278b071122399ce378. 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/2sJGQdbMT4now666A3SFRf.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/2sJGQdbMT4now666A3SFRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdd0565e1c339e147658b4d95527d15e62f70f39371c0e17ef3e60be14e38d50. 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/0sN03Bhj97wMIZQqLBR6pT.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/0sN03Bhj97wMIZQqLBR6pT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff3ad25def93d3f63c511b9b4cfeca00625c9d8385527b089ce5782fb0805e2. 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/6yDIxy487u4pcFuhLkSKh6.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/6yDIxy487u4pcFuhLkSKh6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887ef7f926687129c563e38fe433a2d2a11145494506c83201d7c059ba032692. 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/64QzUIN6SoXOBnMa2v35gt.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/64QzUIN6SoXOBnMa2v35gt.
天命 (游戏《剑与远征》国风版本主题曲)
天命 - 游戏《剑与远征》国风版本主题曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x583df2e0d0af78850df3f0a9fcfac91711961ff6e38a57e63ecd51eed109d21a. 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/43OCGlOdQvcC0eVv4ZzZZW.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/43OCGlOdQvcC0eVv4ZzZZW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b95e4c22ca73804d4dd96e30d07351c9cb3c3b5d0420d312aa3bffcb659cd30. 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/7dQB850WghUp0EtpRbOeuu.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/7dQB850WghUp0EtpRbOeuu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2a78e2c706b25ef3c19b90ca0a6a59ea1d63cccc6f4dd778129ccf21959a60f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7jA0YdbP19aoxILOnaE07B.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/7jA0YdbP19aoxILOnaE07B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a47dcb15c57c86d89a68f69fd09846bd72e8e4a8b49347724ad6f3b34e8bf1. 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/2lKBt9HKO1obyzqbeeBhWz.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/2lKBt9HKO1obyzqbeeBhWz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85422e6e7a44ad61d41e83d9aaf7a42ea1775c24df4bac7c5a95274ac70b3154. 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/3bg9pjxcxWat4QQPF0ihbV.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/3bg9pjxcxWat4QQPF0ihbV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267e11d28131adb137b328f53a50f2c2c307de0d13ce2775ac93e028816fc574. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Kln7RNgWZftj5zSMAdB8J.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/0Kln7RNgWZftj5zSMAdB8J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac05f5082f930877bff8f8821b8557b761e8f46abd950965ab9c787574ab8787. 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/7hit4nDzVdDT6aEOvSztrO.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/7hit4nDzVdDT6aEOvSztrO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2602bcfaaf8ddec2a7e721c1edc0589b8f955af5ec6cd52e40242e07ffde273c. 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/0t66PQHn5XcFc3fnWALbF2.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/0t66PQHn5XcFc3fnWALbF2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2957471e37a371eb4d5b64d843e0d69be9d17a49d2c8deb18e51dac4560b7818. 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/60VxsO8YDXhMLu2RlG3K7Q.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/60VxsO8YDXhMLu2RlG3K7Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435452fb64ec5956cd6a16dee750cd34d9090c620fe82271c50ee345e8a7f2d5. 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/58ZF50rKkLauqA1qyEkXuR.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/58ZF50rKkLauqA1qyEkXuR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1435e89844c82f6c05fbf3637f50c9e640bfcd1e28d361a8978f7ce7b3d020. 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/0SKNYvW18IkKRduw5ag8uR.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/0SKNYvW18IkKRduw5ag8uR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48de92312d982103b944e3165add4923513c10829236f005f8b3009cb5bbe72c. 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/5iBNtg9mv3pfcwES22kI5Z.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/5iBNtg9mv3pfcwES22kI5Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7794100f89109562d0501e00f8aa7af8717f27f5b2120c5edcd2d0fc8d0fbdc. 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/1PdJAwQRZh3Lovwu8gQAAq.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/1PdJAwQRZh3Lovwu8gQAAq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb1458bd0638ce93ecff4645b84f4a64ccc649b4b9cc08c0de9ecb84ecfd0165. 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/5zjX7o5K4L7lZO3L6ANz6B.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/5zjX7o5K4L7lZO3L6ANz6B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d685e09294266865e92371329065674156278931d59d46a3ed85c3346740e4. 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/57jaCQtX0xO3kgTRB0XarK.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/57jaCQtX0xO3kgTRB0XarK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e10c3fd2bd7871dc62e399fc5af510df357f620f3410b03315214caec1c8f2. 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/1xjPC5CGBvXysaYZMruEKa.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/1xjPC5CGBvXysaYZMruEKa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f3a130f01be7f849f3a3915235cd86ffeaa6bdb8f8ccdd20c27fd65c4e772b. 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/2RQH6UGDasaegWzpyNtimh.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/2RQH6UGDasaegWzpyNtimh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf589623ea10d1e95529cc20fe96fe1165511f82afb1c84496e29000e6d5616bc. 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/6n2DijZCveGtGG6RP0Vtos.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/6n2DijZCveGtGG6RP0Vtos.