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 0x50962592bb3ab7121799bb5024d312218ed0ff7df579dfea1ad72b17b46db634. 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/c71bcef2-9f28-4902-b0ff-d327770d5dce.json and https://artists.proofprofile.net/proofs/artist/c71bcef2-9f28-4902-b0ff-d327770d5dce.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 0x77d6741199f1b0af27501f25023337a14091f7d3327bb279ebc1232cac14dc00. 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/1fRlOomRRHrbCyXPxSANcT.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/1fRlOomRRHrbCyXPxSANcT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2587a646b7934e60edfbdc8f639c5217037132c61727412eb1097e369215f7. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/413FhLsaDvcoHdPwzvNVnl.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/413FhLsaDvcoHdPwzvNVnl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76c865590c96ee852744d05079d505c6a588a854238ddbd139d5ba3fa16311e. 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/1Mcp2qz20udT9YnBHhsYDi.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/1Mcp2qz20udT9YnBHhsYDi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdcf788b95d77422f86424eb90d548a76e720f3119f2d50b5b94b92a9a22e41. 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/3Jw0rkqzgVUmD4arLrGwYc.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/3Jw0rkqzgVUmD4arLrGwYc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2587a646b7934e60edfbdc8f639c5217037132c61727412eb1097e369215f7. 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/3M387E2iW4c4j2vJtLmr3c.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/3M387E2iW4c4j2vJtLmr3c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda2308ee9735667eba9ec1e7f41447eeada646a6d70fe04ecb98d329e6623eb8. 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/1NAGiiTXB8V1FrY19Hq87Q.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/1NAGiiTXB8V1FrY19Hq87Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf46b6f13091ee60a0a5ded5ae262d442e23e006890cd5f53dcca8e2ff78febb1. 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/5RBtkLsNMhQrc1mNhymgMA.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/5RBtkLsNMhQrc1mNhymgMA.
{"copyright_id":"0x24d574d1da34363abc3c0a99326e6bbffc6e4ab40a9c3ca0d47f6ce0d489a86b","isrc":"TWA772201179","name":"Goodbye, Goodbye","registered_at":"2026-06-08T19:06:04Z","spotify_id":"0ZXQe5BY3iUh5num5L6d1y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d574d1da34363abc3c0a99326e6bbffc6e4ab40a9c3ca0d47f6ce0d489a86b. 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/0ZXQe5BY3iUh5num5L6d1y.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/0ZXQe5BY3iUh5num5L6d1y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeeab4c449e537d4944e929b41cdc94c9c874610fd257586c47491d722f8600e. 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/1LK0Npd2NlPvuO4YjgIfUl.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/1LK0Npd2NlPvuO4YjgIfUl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62a0993aef456851cdced523b8e4639f2dfd7d5cfe3f334a33b5900ceb894d23. 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/46dq9DDf4cFpJueDZKGuOy.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/46dq9DDf4cFpJueDZKGuOy.
I Am Love feat. 喬瑟夫 ChillSeph - Instrumental
A Dream of Bonnie and Clyde (feat. JADE)
{"copyright_id":"0x63f280728bd92d40e300c6f14ed5060e40245cbefc717afecc2defe546fe4cd1","isrc":"TWJ012300701","name":"A Dream of Bonnie and Clyde (feat. JADE)","registered_at":"2026-06-08T13:06:44Z","spotify_id":"5YWDa3zIjtPbX9e95AgY0B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f280728bd92d40e300c6f14ed5060e40245cbefc717afecc2defe546fe4cd1. 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/5YWDa3zIjtPbX9e95AgY0B.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/5YWDa3zIjtPbX9e95AgY0B.
{"copyright_id":"0x63f280728bd92d40e300c6f14ed5060e40245cbefc717afecc2defe546fe4cd1","isrc":"TWJ012300701","name":"A Dream of Bonnie and Clyde (feat. JADE)","registered_at":"2026-06-08T13:06:44Z","spotify_id":"2IUXNnuWKre9DXp8nUpVDZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f280728bd92d40e300c6f14ed5060e40245cbefc717afecc2defe546fe4cd1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2IUXNnuWKre9DXp8nUpVDZ.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/2IUXNnuWKre9DXp8nUpVDZ.