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 0x351c50ace92dfd038005ccf1c46a27b030bc10309e3dedfac956ad64ae58ae72. 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/ed936f23-6363-467d-9868-9919bb7475ee.json and https://artists.proofprofile.net/proofs/artist/ed936f23-6363-467d-9868-9919bb7475ee.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 0xd943d2be603ca4df2161c0dce647ec6a1a0588be83215aa020688f893a30b37f. 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/7ohh779FFPKSuPgSYvIPn8.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/7ohh779FFPKSuPgSYvIPn8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c4c90ba5573aaaf20899175cb5d7f2468a1f6f2fcde184abe17114179c41c3. 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/478ZY1UHWklOw5UbfOmHTz.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/478ZY1UHWklOw5UbfOmHTz.
{"copyright_id":"0x615714020ed90b5dfe8f4b26452615f5dbf70632ce3f9aa6beff6460805b51cc","isrc":"HKJ962315420","name":"Wild (Terry Zhong Remix)","registered_at":"2026-06-27T17:23:41Z","spotify_id":"4sLLTVrg7xZL2RtGPZBoIN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615714020ed90b5dfe8f4b26452615f5dbf70632ce3f9aa6beff6460805b51cc. 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/4sLLTVrg7xZL2RtGPZBoIN.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/4sLLTVrg7xZL2RtGPZBoIN.
{"copyright_id":"0x602d28ef7f8813e8cb0b9db3f6f0c1e2ca89aa869fbb400f152d955dca82c2f2","isrc":"HKJ962315414","name":"Out Of Service","registered_at":"2026-06-27T17:36:41Z","spotify_id":"20Rfgr0m1LMBXtXTtGbIZf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x602d28ef7f8813e8cb0b9db3f6f0c1e2ca89aa869fbb400f152d955dca82c2f2. 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/20Rfgr0m1LMBXtXTtGbIZf.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/20Rfgr0m1LMBXtXTtGbIZf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3a0930ef8d6865558be692c7a1b937580a60951cfe101ca509febb3b05d64b. 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/5kROJyGeBoPTq51M1kVaWL.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/5kROJyGeBoPTq51M1kVaWL.
{"copyright_id":"0x58e0aedd6ac21087d482cbe108aa73f68a30d4baa5ddb3fbbcea64c40908cc1c","isrc":"HKJ962215444","name":"Ur Gonna Wish","registered_at":"2026-06-22T10:37:28Z","spotify_id":"4Xb95p7ZkNltdCYhcmtSpi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e0aedd6ac21087d482cbe108aa73f68a30d4baa5ddb3fbbcea64c40908cc1c. 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/4Xb95p7ZkNltdCYhcmtSpi.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/4Xb95p7ZkNltdCYhcmtSpi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3816ed9b6260438181e7d4e4856ac798617fccd301b43905aa2c400e32455299. 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/4iN2XPaSCFvLOtSbSjfg5x.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/4iN2XPaSCFvLOtSbSjfg5x.
Operation Dawnseeker (Instrumental Version)
{"copyright_id":"0xe236c9a806d60f09913869096069be41e798983e9eb86cd549a15176307b16fe","isrc":"TWU712201464","name":"Operation Dawnseeker (Instrumental Version)","registered_at":"2026-06-25T09:19:48Z","spotify_id":"0sgSgKpVddUUVC1mI5tRSy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe236c9a806d60f09913869096069be41e798983e9eb86cd549a15176307b16fe. 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/0sgSgKpVddUUVC1mI5tRSy.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/0sgSgKpVddUUVC1mI5tRSy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174babceacbf6976274647841587843540213e0ec0bcd3bcaf34cba5d536b1b4. 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/4yI4icISjSzL6ELuwsFJJ5.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/4yI4icISjSzL6ELuwsFJJ5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ba6ca699b8519e2bc428f86c45652987b70815004672378f7b23ef8b666e2d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4xQjvHm4JuI2taN6OFwXSa.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/4xQjvHm4JuI2taN6OFwXSa.
{"copyright_id":"0x056bb83ea29d199256bc95fac0e6dd031f3eba56cba73deaed2c60a9afb4eaeb","isrc":"CA6D22000053","name":"Night Cap","registered_at":"2026-06-19T16:14:28Z","spotify_id":"7qJFyDf0rRcTsOnNRPWC3N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x056bb83ea29d199256bc95fac0e6dd031f3eba56cba73deaed2c60a9afb4eaeb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7qJFyDf0rRcTsOnNRPWC3N.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/7qJFyDf0rRcTsOnNRPWC3N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf06bb1959be063418f4ba160a1c1194c6ac4faa0fd55faa88aa0c59f54f72474. 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/2MeDKu3RsGM02KdN4nRmOO.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/2MeDKu3RsGM02KdN4nRmOO.
{"copyright_id":"0x655c913b36c7951c9a6ba38752f07f48cb7ad39b54a4a386942e14cb345ad61f","isrc":"CA6D22000569","name":"Goodnight Stranger","registered_at":"2026-06-25T13:46:30Z","spotify_id":"4YzMPxxuzVBYHZ5pySnLLL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x655c913b36c7951c9a6ba38752f07f48cb7ad39b54a4a386942e14cb345ad61f. 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/4YzMPxxuzVBYHZ5pySnLLL.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/4YzMPxxuzVBYHZ5pySnLLL.
{"copyright_id":"0x056bb83ea29d199256bc95fac0e6dd031f3eba56cba73deaed2c60a9afb4eaeb","isrc":"CA6D22000053","name":"Night Cap","registered_at":"2026-06-19T16:14:28Z","spotify_id":"5y6hHJ1q39noNi26JcTmmp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x056bb83ea29d199256bc95fac0e6dd031f3eba56cba73deaed2c60a9afb4eaeb. 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/5y6hHJ1q39noNi26JcTmmp.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/5y6hHJ1q39noNi26JcTmmp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ba6ca699b8519e2bc428f86c45652987b70815004672378f7b23ef8b666e2d. 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/3JFOyRfu5kNjljJjetxWbC.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/3JFOyRfu5kNjljJjetxWbC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d4c457855fb0139629777a7dc52ff8cb6bd0d9eb7e485caa7927398882f03d. 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/2DRtAE3n0dkxjl6BulDfXn.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/2DRtAE3n0dkxjl6BulDfXn.