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 0x1c62ade8c981d714052de377e196c7b29428a6011a761cb5334886a511c45478. 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/e2c5f038-a9d1-4f25-b980-6d98befe3a80.json and https://artists.proofprofile.net/proofs/artist/e2c5f038-a9d1-4f25-b980-6d98befe3a80.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 0x3098034df80769921e17b0a7c962a3035a04786c6ffbc46f84464ab067d43f61. 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/4I3kvtjNBcJWI7H9bszT75.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/4I3kvtjNBcJWI7H9bszT75.
Run Till Dark (with Now United) (Arcando Remix)
{"copyright_id":"0x991a91cc5bbccf5a44e2209fbabad312f09ecd81026cc96ecd01e39ff833d205","isrc":"AEA2D2300321","name":"Run Till Dark (with Now United) (Arcando Remix)","registered_at":"2026-06-09T07:01:58Z","spotify_id":"6D9sUOLZ8BW9HVQoiKh3Pb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991a91cc5bbccf5a44e2209fbabad312f09ecd81026cc96ecd01e39ff833d205. 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/6D9sUOLZ8BW9HVQoiKh3Pb.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/6D9sUOLZ8BW9HVQoiKh3Pb.
Run Till Dark (with Now United) (Carta & Willim Remix)
{"copyright_id":"0xb1206281f5b3b65cd3a930c4a910be0e9dbe644a1db05fa6dcf87ec6bbe52b4d","isrc":"AEA2D2300306","name":"Run Till Dark (with Now United)","registered_at":"2026-06-05T21:15:37Z","spotify_id":"6zbQ3q0TaTT5rNGzxQpbBm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1206281f5b3b65cd3a930c4a910be0e9dbe644a1db05fa6dcf87ec6bbe52b4d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zbQ3q0TaTT5rNGzxQpbBm.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/6zbQ3q0TaTT5rNGzxQpbBm.
{"copyright_id":"0x340a753597258a709d3afa93e62631e7666c0c70f73712659bb2868777afb13d","isrc":"AEA2D2300311","name":"Run Till Dark (with Now United) (Carta & Willim Remix)","registered_at":"2026-06-20T04:53:48Z","spotify_id":"2ighAJNEGOJaaDPbJ2dEbu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340a753597258a709d3afa93e62631e7666c0c70f73712659bb2868777afb13d. 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/2ighAJNEGOJaaDPbJ2dEbu.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/2ighAJNEGOJaaDPbJ2dEbu.
{"copyright_id":"0xb1206281f5b3b65cd3a930c4a910be0e9dbe644a1db05fa6dcf87ec6bbe52b4d","isrc":"AEA2D2300306","name":"Run Till Dark (with Now United)","registered_at":"2026-06-05T21:15:37Z","spotify_id":"0Pi0uDuPqtmkQXFSCwEi0V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1206281f5b3b65cd3a930c4a910be0e9dbe644a1db05fa6dcf87ec6bbe52b4d. 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/0Pi0uDuPqtmkQXFSCwEi0V.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/0Pi0uDuPqtmkQXFSCwEi0V.
{"copyright_id":"0x2cecab30329721b28dbe9d38dec4c5a1d9807fe3c753e2182a3d108ca99ec0d3","isrc":"HKJ962115417","name":"Sorry I Ain't Sorry","registered_at":"2026-06-19T14:19:54Z","spotify_id":"4YCPH2bhFzjP3FQJNYlub0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cecab30329721b28dbe9d38dec4c5a1d9807fe3c753e2182a3d108ca99ec0d3. 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/4YCPH2bhFzjP3FQJNYlub0.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/4YCPH2bhFzjP3FQJNYlub0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07aa6f859269a98467da033f036026ad8333a934a64015b5db4a520eeb9456e. 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/6jd86GtblW9yzuw7uWklSn.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/6jd86GtblW9yzuw7uWklSn.
{"copyright_id":"0xc8ba1f89ae631511fb935939a557c2d13723a43afbaebd9aa080766e58814fb6","isrc":"HKJ962215440","name":"How Do You Know (with HA:TFELT)","registered_at":"2026-06-10T20:04:27Z","spotify_id":"6nkFrBPgN5SHZMnS1ErITt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ba1f89ae631511fb935939a557c2d13723a43afbaebd9aa080766e58814fb6. 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/6nkFrBPgN5SHZMnS1ErITt.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/6nkFrBPgN5SHZMnS1ErITt.
{"copyright_id":"0xbea41024c8f2f25294c89151e44b5af676c7daa7413ddceb477224f644fa6a7a","isrc":"HKJ962215420","name":"丑话 Ugly Truth","registered_at":"2026-06-21T07:31:20Z","spotify_id":"0zthn3yQhCfPYsjVgBnkLB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea41024c8f2f25294c89151e44b5af676c7daa7413ddceb477224f644fa6a7a. 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/0zthn3yQhCfPYsjVgBnkLB.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/0zthn3yQhCfPYsjVgBnkLB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5901b87e7a49dcffca26b436d9c938423ceee1ff37e3fd7931c5978053b88c2. 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/2sqyyACoRJ46rInGrOzs61.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/2sqyyACoRJ46rInGrOzs61.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe037a3afba65a306b28cad2c76302d0c7424364ed21a97ac6e72276d3fb862e7. 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/2UO6wBgIbxTSAUVCnMtFb3.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/2UO6wBgIbxTSAUVCnMtFb3.
{"copyright_id":"0x3f12c8366d44b80a6b0df7621aefb1955f3926164b7ecda5b9f9dd7c43bbc6bc","isrc":"HKJ962215405","name":"Watching the Sea Alone","registered_at":"2026-06-19T15:15:11Z","spotify_id":"60jF9lkEIGBKeo01tRpTRy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f12c8366d44b80a6b0df7621aefb1955f3926164b7ecda5b9f9dd7c43bbc6bc. 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/60jF9lkEIGBKeo01tRpTRy.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/60jF9lkEIGBKeo01tRpTRy.
{"copyright_id":"0x3f7c7092c984241bf1ce1da2e5ff43ac068a68336b0113cf43396889a9ef80f1","isrc":"HKJ962115440","name":"Back To You (Willim Edit)","registered_at":"2026-06-25T10:03:41Z","spotify_id":"0bMEyzsRHntTnsBmTUp4N8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f7c7092c984241bf1ce1da2e5ff43ac068a68336b0113cf43396889a9ef80f1. 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/0bMEyzsRHntTnsBmTUp4N8.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/0bMEyzsRHntTnsBmTUp4N8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631c41c750f46b301dac355291a429bb8a8244561d160ac446d379c88c537710. 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/3h6M4K3mBtb2ywoYhG7954.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/3h6M4K3mBtb2ywoYhG7954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa223f9c37388bdbebb9bd48e4a7791b82c0301bf9bcaacd38da412023601b732. 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/6xRVaq60XMBztdzHIJVEgD.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/6xRVaq60XMBztdzHIJVEgD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a88dcce199a29cf1b91fa6802f9135a697d2f957fa578ba533b18deea201fc4. 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/43svlO9BDcmmrKy32kBFCW.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/43svlO9BDcmmrKy32kBFCW.
Mad At You (feat. Pillows) [Extended Mix]
Mad At You (feat. Pillows) - Extended Mix
{"copyright_id":"0xf757ad67108b5b60828c855fe1eb7cdde99e6be08c4fe24eeef9074e6c2e6a5d","isrc":"GBKPL2086961","name":"Playing God","registered_at":"2026-06-23T12:07:37Z","spotify_id":"3xySNkIyNuzAFGdOl9XBAh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf757ad67108b5b60828c855fe1eb7cdde99e6be08c4fe24eeef9074e6c2e6a5d. 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/3xySNkIyNuzAFGdOl9XBAh.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/3xySNkIyNuzAFGdOl9XBAh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadb1d264c769d1c57fb657a4655680286514c39797678b661315515332b2654d. 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/3NirucqmF50NXLPjZG228t.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/3NirucqmF50NXLPjZG228t.
{"copyright_id":"0x350ef6cb4d1f3647213faadacccd9dff3ca8361d65bdb9ed9824b8182395232a","isrc":"GBSMU5759607","name":"Fell In Love","registered_at":"2026-06-10T05:35:31Z","spotify_id":"49lsUyBWPa4KmmxzrITW7C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x350ef6cb4d1f3647213faadacccd9dff3ca8361d65bdb9ed9824b8182395232a. 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/49lsUyBWPa4KmmxzrITW7C.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/49lsUyBWPa4KmmxzrITW7C.
{"copyright_id":"0x1b9dd7e25a6041b6741ae0bbbb3dd60494dd294c5c4ab3f13a9841d0833eac1e","isrc":"ZZOPM2004193","name":"Hearts on Fire - Timmy Trumpet Remix","registered_at":"2026-06-06T12:00:37Z","spotify_id":"6a1e2CD4FjOhk6bDnzlg15","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b9dd7e25a6041b6741ae0bbbb3dd60494dd294c5c4ab3f13a9841d0833eac1e. 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/6a1e2CD4FjOhk6bDnzlg15.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/6a1e2CD4FjOhk6bDnzlg15.
{"copyright_id":"0xb1811561bbe1479983cce4a8b643a93a4c439b0183a635ba7a39fbb9e7a8a75d","isrc":"ZZOPM2004200","name":"Hearts on Fire - Lucas & Steve Remix","registered_at":"2026-06-11T16:04:27Z","spotify_id":"2w5tj9dG3Siw3VT4JHin91","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1811561bbe1479983cce4a8b643a93a4c439b0183a635ba7a39fbb9e7a8a75d. 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/2w5tj9dG3Siw3VT4JHin91.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/2w5tj9dG3Siw3VT4JHin91.
{"copyright_id":"0x1b6e8610529269eadff5516a188f2882af2a0e059898c6ae08be516f5c3f1ab2","isrc":"ZZOPM2104272","name":"Hearts on Fire - Bassjackers Remix","registered_at":"2026-06-09T06:17:24Z","spotify_id":"0XgknhnsgmEWczJ3HbyzlF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6e8610529269eadff5516a188f2882af2a0e059898c6ae08be516f5c3f1ab2. 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/0XgknhnsgmEWczJ3HbyzlF.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/0XgknhnsgmEWczJ3HbyzlF.
{"copyright_id":"0xe1a7bb3b3fffb375d74e2ef4c22520e84d5a8bf20a1436afa00d641ffd902177","isrc":"ZZOPM2104424","name":"Hearts on Fire - CORSAK & Willim Remix","registered_at":"2026-06-08T04:54:19Z","spotify_id":"5gpy8VcqvPox6XHAIJzuCw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1a7bb3b3fffb375d74e2ef4c22520e84d5a8bf20a1436afa00d641ffd902177. 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/5gpy8VcqvPox6XHAIJzuCw.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/5gpy8VcqvPox6XHAIJzuCw.
Star Curtain: SKa2or at Sea Castle in Shanwei, China (Live)