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 0xbe689b2059463686628a8a72892642a4cdbee0de0dc2e0d45e718aa1d6f08409. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dff8a862-3562-4883-92e9-631dc7c5a39e.json and https://artists.proofprofile.net/proofs/artist/dff8a862-3562-4883-92e9-631dc7c5a39e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x5fe801bae8bdbe4e194fd8be1cbac120377cca4f9b6c661322d6d0caef2448bb","isrc":"QZNW72310569","name":"吻得太逼真 - DJR7版","registered_at":"2026-06-26T06:36:30Z","spotify_id":"1IDSJJqpOnahgBqeHFmRiE","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 0x5fe801bae8bdbe4e194fd8be1cbac120377cca4f9b6c661322d6d0caef2448bb. 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/1IDSJJqpOnahgBqeHFmRiE.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/1IDSJJqpOnahgBqeHFmRiE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f48d1359609dbbbfe2f8d4759fe3a50c178da461378cd51f81868f033a9c4b. 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/0dzXUAfK4Qj2MS3LAxTzMS.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/0dzXUAfK4Qj2MS3LAxTzMS.
两个人的回忆一个人过 - DJ九零版伴奏
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58144501f8f94b54c18793a0132d1a5824f27f89cf707def48d99261e319a0ac. 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/3BOtb7A0IsGsn613svkNxM.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/3BOtb7A0IsGsn613svkNxM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2ef45a99c2f2a0fc7bf966c9eee58dbff483e6bbf713cc39685d358f0cda327. 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/2O0TGP2xPXKGaMuqSeaiEn.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/2O0TGP2xPXKGaMuqSeaiEn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0464d9368c6549e7cd030f01d4a52bdbd913fb5ea69cde1b4d9d6a1462e080d6. 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/6b0DLDO61zhsXB6yeCKNGZ.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/6b0DLDO61zhsXB6yeCKNGZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x533483306ac78f6f2ca4422056f110c64a237685c49161ebf541dfac2f6bd647. 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/1vWQO1YTQr6VT5Yvub6MBP.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/1vWQO1YTQr6VT5Yvub6MBP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8227f4add2db2f1858658edc8a7694ffe01abcdfd636656c588b6fa185ec61. 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/0VPLkQWGMwNq8bMjSgKpSH.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/0VPLkQWGMwNq8bMjSgKpSH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8565667909ced3cec75a39dc1364605f9564d6d0b6afbc6c3a57ba39bd622b. 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/6FhSrlGbHGwt2tQFNtT17h.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/6FhSrlGbHGwt2tQFNtT17h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92616b62d39a05ec34318af996fba1db93da3a93e28cabd38f83ddc7997ef20a. 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/7KskdIEowliJyd5rV79NpR.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/7KskdIEowliJyd5rV79NpR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a58677ecaf290e601d50ad703396f4de754933590885f8abe4c61bcfb46e2e1. 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/5Pi8CIaTwvdaTnFqoXt5UU.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/5Pi8CIaTwvdaTnFqoXt5UU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4800927588fb9e9dd9e46f1cb86253488f83e1aa5be34d04aa1accfb1c88cff. 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/7Hgp3Lo9PBkO9jTFAS50XG.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/7Hgp3Lo9PBkO9jTFAS50XG.
{"copyright_id":"0x838ffc415c246c1d690ac7679da9c46ddea3c863ac155d08fb66a4b6679efc2c","isrc":"HKG732466209","name":"凡人歌 - DJ豪大大版","registered_at":"2026-06-21T17:10:56Z","spotify_id":"1Pyp2RuAaupsWoZsiCuPmy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838ffc415c246c1d690ac7679da9c46ddea3c863ac155d08fb66a4b6679efc2c. 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/1Pyp2RuAaupsWoZsiCuPmy.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/1Pyp2RuAaupsWoZsiCuPmy.
{"copyright_id":"0x831fe2d94f2af730ca2fabc4aa843db8c256b615d3ab4ce055aebd0c2281ac1a","isrc":"HKG732464894","name":"青花 (恍恍惚惚 已经隔世)","registered_at":"2026-06-27T21:51:21Z","spotify_id":"7a1zPGYFD8EDZje34V7TJp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831fe2d94f2af730ca2fabc4aa843db8c256b615d3ab4ce055aebd0c2281ac1a. 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/7a1zPGYFD8EDZje34V7TJp.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/7a1zPGYFD8EDZje34V7TJp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6481c3a54b3a8fbe2a6a1f9d8bee75f48008953444aff244106948cad6d180b6. 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/71pqV8SsrGCr088r3yhkQP.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/71pqV8SsrGCr088r3yhkQP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3f6382a6e9e76d53fce393082e1d69a02c495182aa8ce2193efd07dbc054f60. 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/1KXYe9fyZb8sIaV8yoSWpi.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/1KXYe9fyZb8sIaV8yoSWpi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232b6d459d097504369f32662562a5912ec1d7f0647780381b6b70f1ae0dfefa. 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/0HpY6o1gR4bdeSw1rlC6oE.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/0HpY6o1gR4bdeSw1rlC6oE.
{"copyright_id":"0x254a84deed9bd3e6d9e9a56170bfdf7af1dbd54625a84997d628da7ef77e76b6","isrc":"HKG732453399","name":"伤心太平洋 - 车载DJ版","registered_at":"2026-06-26T06:49:31Z","spotify_id":"5LY5fQRnmcBATzYyeRbCp4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254a84deed9bd3e6d9e9a56170bfdf7af1dbd54625a84997d628da7ef77e76b6. 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/5LY5fQRnmcBATzYyeRbCp4.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/5LY5fQRnmcBATzYyeRbCp4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff41aa5d88d0d3119243392913ab30145f210821663bf58780f3dbad3e0f6123. 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/27c3DCi5jfQbPEyVZW3lRM.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/27c3DCi5jfQbPEyVZW3lRM.
{"copyright_id":"0xe939040bfe73e4d0f524adb521f8d5a88d43d00bdc246ad8065c0cf8581f33cc","isrc":"MYPM12400031","name":"我等到花儿也谢了 - 烟嗓版","registered_at":"2026-06-06T20:46:26Z","spotify_id":"6YAiU8zYwIbsbmqxJtAflZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe939040bfe73e4d0f524adb521f8d5a88d43d00bdc246ad8065c0cf8581f33cc. 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/6YAiU8zYwIbsbmqxJtAflZ.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/6YAiU8zYwIbsbmqxJtAflZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d2736017f44063c8b205698e5a70db82d68cdbe75354f66e40d0c93374a020. 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/2e3OflCiGuOyKxWDSZYE2m.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/2e3OflCiGuOyKxWDSZYE2m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e01ee2be051ecf14e866b59b9bae14dec03a97e766d4ba4d5c4510032c75f77. 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/6CrQlxU4b3TjQrr9Ys5Bf4.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/6CrQlxU4b3TjQrr9Ys5Bf4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a41c60bbf9b29a0a7597f0eafd81b9fec054d179ad4090d12bb851b8782719. 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/2ll52eh6NH6J9GPJhFwwoi.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/2ll52eh6NH6J9GPJhFwwoi.
{"copyright_id":"0xfe9d9049ebf78e0f06dcf97fa1e4e830c44cca774b9034a5eb715723f8f8dc07","isrc":"HKG732426947","name":"有多少爱可以重来 - DJ豪大大版","registered_at":"2026-06-23T21:17:23Z","spotify_id":"5KWXv4N5XTsYBhaSuGZads","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe9d9049ebf78e0f06dcf97fa1e4e830c44cca774b9034a5eb715723f8f8dc07. 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/5KWXv4N5XTsYBhaSuGZads.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/5KWXv4N5XTsYBhaSuGZads.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc274afb1825ba734cbcbafe85b8370df19e1bed6ad5c35dcb4c08284eec2abd3. 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/5XQ5cSw5GYhB9568rXwhFf.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/5XQ5cSw5GYhB9568rXwhFf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fe1e55b6306b4d0c3ef9ab1092f82c8a412e33a7f548d89516653d08eaa97b. 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/02ok76FnZLMO5dlkE2NJkH.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/02ok76FnZLMO5dlkE2NJkH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6368c69b8faefd458f3928d5e46d0e8d4cce3b896d64c4a0daeb1eba276edf5c. 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/26pYXxCrMx6Krsain0uwWO.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/26pYXxCrMx6Krsain0uwWO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58638f8d3abe231a6c5eaff234dd9e2f3c96370e569ad7beedb3d559ef148b28. 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/6g9ZCD5BWWYVRw5OrwRXr3.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/6g9ZCD5BWWYVRw5OrwRXr3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7c113b55da51d398cdb72c631487783d946b48f7adf13b87bd83d18fb09405. 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/2h8l4ZfzAfCxt9Sh833LNZ.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/2h8l4ZfzAfCxt9Sh833LNZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf0626165942ad36cb9a9974141c4eda51d0d1d367655fc83003d51b126e87b. 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/0RuyrfEXqewpuY6vOLdrNs.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/0RuyrfEXqewpuY6vOLdrNs.
野花做了场玫瑰花的梦 (合唱版) (Live) - 伴奏
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb7245b63911c63e35b2efb4178e26584ab18abbf37a2369e9a2b395cb2ad88. 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/62FVJALBe1kTBt24zUnTy5.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/62FVJALBe1kTBt24zUnTy5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c26c386056dd7673a11b81b8e1337cc9601d1fe6d63c260a8bbec773066c6b. 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/488A3Lc54DoNRj7k9foady.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/488A3Lc54DoNRj7k9foady.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3601e8bf8153c2830cac281eb85b5ebccad31dfcf5f5da5ca2ec36278a514bb1. 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/1YejQR4gPjFJ320aK7VoSE.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/1YejQR4gPjFJ320aK7VoSE.
没有你陪伴真的好孤单 - DJ九零版伴奏
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35839c59d77dc78b85587f51dc771d5b564cd11b6af1467c65bd10553cd6fb56. 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/3pOEV6XvSc9lvBzAI5qcLg.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/3pOEV6XvSc9lvBzAI5qcLg.