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 0x57563c5ee53298fea0f8793f6236870e2911d2e458026348828d1908dc37e530. 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/73538110-e168-492d-838f-ebfd55a6c83a.json and https://artists.proofprofile.net/proofs/artist/73538110-e168-492d-838f-ebfd55a6c83a.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 0x1519a04a2617e04b70c848d313652981e8646c8a66b88a6cd96c30a6403243a7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4J3cXBRPr0vRnOPa2YdlQH.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/4J3cXBRPr0vRnOPa2YdlQH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff1e306458994ad29e7458d6488f4d444fbb03e8e197c3d0e306bf41f0bdafd. 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/1ofJA1pBXf6yRoIEDeCiZc.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/1ofJA1pBXf6yRoIEDeCiZc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc7ee4b0e7386878546b517801ee59961fbe5ff1b73d0a50f0a7943e7a11df64. 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/7895rAIMSx4iWaWF6Ni8aY.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/7895rAIMSx4iWaWF6Ni8aY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19dfe55271e69940d235bc45dfaf4346e963ab31c1d1561a5269af2cb0a01a5d. 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/2ENEeAYzSqwXwO6GOY8cls.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/2ENEeAYzSqwXwO6GOY8cls.
{"copyright_id":"0x184a758557c62118e707ddbb6a32dcdd5bd368caad3f5c3a37c987a3deecc1e8","isrc":"JPU902301773","name":"Round & Round","registered_at":"2026-06-21T22:04:39Z","spotify_id":"2SVUxYtTdisEyPoSw9yd8O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184a758557c62118e707ddbb6a32dcdd5bd368caad3f5c3a37c987a3deecc1e8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SVUxYtTdisEyPoSw9yd8O.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/2SVUxYtTdisEyPoSw9yd8O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17cec4bccbd13f72b8323fe396bf986077aaefacf9f18e72c0522847207220b3. 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/3rvUrHecJjoduMDOgMgUko.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/3rvUrHecJjoduMDOgMgUko.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39a96a152aec0319bef02b09d3c55f9302dfd2b6cae4525ab5d63ba2f56166b. 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/7aobzeMHsXV1yDt1Mu46uB.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/7aobzeMHsXV1yDt1Mu46uB.
{"copyright_id":"0x7d3fc7b95ea09a7afdc2e96ff722be2c598d62dad58ccebc3d944f24a93ae655","isrc":"JPU902203155","name":"Welcome to my island","registered_at":"2026-06-26T20:44:24Z","spotify_id":"0fOdg4vwrw4wtZ9pAIrNbW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3fc7b95ea09a7afdc2e96ff722be2c598d62dad58ccebc3d944f24a93ae655. 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/0fOdg4vwrw4wtZ9pAIrNbW.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/0fOdg4vwrw4wtZ9pAIrNbW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92127ce2cae56557c346433cdc9a930257ce42f20a5a0953e444f626fa106110. 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/7axP0UN4rqwpnchFmBVjIq.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/7axP0UN4rqwpnchFmBVjIq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385c01bb6050c1375c03395324f9bd0dad92b2b645b086a7445b8070057103f4. 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/23RV2tFWYzXUpNctU04nA7.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/23RV2tFWYzXUpNctU04nA7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1db25995871d48b2ae07a58b1c5a2b76748560f087915901135d79fa65b3683. 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/0IffMdNsfeXBOIVJwSy4t0.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/0IffMdNsfeXBOIVJwSy4t0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba974323bd90320ee3739b651739e383740bc44332a07348d58390f23b021e18. 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/5OA2qGveSUVwYTxsUFN19q.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/5OA2qGveSUVwYTxsUFN19q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x309a9b1ce9f8714a5865992760b91d6e28d28f5cbf97c8575f905a246883f8e7. 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/3dlfC6Ejfs3Z7Ip3e6eMiu.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/3dlfC6Ejfs3Z7Ip3e6eMiu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134223f8deb381bf71483ab61d3ef0936740e10f18ab1a64885d20244742680a. 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/3LrYUPAa3fAfrHStRH8J9M.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/3LrYUPAa3fAfrHStRH8J9M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b096a09a1e02db27abc7367d160021d35479989829936897f4e0cf73f2ab74e. 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/6NrUvAuorAvLThXneL5CrI.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/6NrUvAuorAvLThXneL5CrI.
{"copyright_id":"0x1b23011d3cd8e503edf49a718fb3be1c28b1d487ffa4f6d3559235c04b75eba8","isrc":"JPU902000050","name":"We'll Never Die","registered_at":"2026-06-18T14:44:08Z","spotify_id":"7LalsoipXZbrVa23I9nkMn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b23011d3cd8e503edf49a718fb3be1c28b1d487ffa4f6d3559235c04b75eba8. 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/7LalsoipXZbrVa23I9nkMn.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/7LalsoipXZbrVa23I9nkMn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb75e64e2c2b97e81793262873049f900c39b3bb5da4f469c2243b6cf24e8fb. 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/7DN0O7yvYMuj9M81w2i5Yy.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/7DN0O7yvYMuj9M81w2i5Yy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7578c93a6a8e3979d9a5b122a6e3e2fbf11ac59f8266341343496cd65c557e. 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/7a8FeOCQQ10XI32zpePHFB.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/7a8FeOCQQ10XI32zpePHFB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396abec46b2ef36660dba1f0030efd79c234562393609684e002d7ac74682533. 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/3XpEOaLjFcWPTBUxfzpts6.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/3XpEOaLjFcWPTBUxfzpts6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7819266529ad3eee82355d331d2056f09bf0de7d78fe7f15404b78562a0bf1b. 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/0SORtm6qpidNzGc3imUSSH.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/0SORtm6qpidNzGc3imUSSH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e77b0b4b46da5e593609303f209db8b5fdd54e3439c4139ade6ef2b7180e43a. 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/5S5zuE1kMY1H6LMSiLMXPh.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/5S5zuE1kMY1H6LMSiLMXPh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb795784b1db69f976f34b880177e3f7e05a983d056cbfcb5daa3a0456b940bc. 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/0CaC2rbtDGTIQRs4RdNnSw.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/0CaC2rbtDGTIQRs4RdNnSw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad70566f39fd30c1cb09ada64c00c76bf8e128d9c391cc013f26fc0d8e71f69. 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/6qLrQkSWBtGZf8FxGmu7dy.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/6qLrQkSWBtGZf8FxGmu7dy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215cd0c232244ea23baa0c7e9217360a706e6f558379739ff8518d7c508b9f2f. 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/5qV6EDIWFnKnKVmNThBoPR.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/5qV6EDIWFnKnKVmNThBoPR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547a027146316ca214eccf4fd2b7b6969762d53cea7c099accbe0b7321ccfa49. 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/33bx5Ueu0enDN0pDuHlW0A.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/33bx5Ueu0enDN0pDuHlW0A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ecda5da19a1a7fb0c87ad5dcb1d7ed1a4954523edfd6c1f22c864d00f9b80e. 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/0Nax1msej3cu6tT8H0roBh.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/0Nax1msej3cu6tT8H0roBh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87880384547f4ff118a6b90a74616da905f54e5036a0fc9992e324ad3109e3a6. 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/0LxCWzyccCvRG93tIv08td.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/0LxCWzyccCvRG93tIv08td.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08d6d35f6616d61bb89e9f830259f8fe50b455f8f5e47542a4d556da1dc1a1e. 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/26kYkkYIY7vCGVRmjBrAkz.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/26kYkkYIY7vCGVRmjBrAkz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d0186ba198ed93abcd3853de63217269178483399661d360c2723e00dff913c. 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/58eaiQWDZmXmfMWxnrSBLq.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/58eaiQWDZmXmfMWxnrSBLq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d508d8a949eae312924e7dc3ed88bb910c2277f30ff7948ef7627e466355db. 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/68FVi1MzhsPe22pRlAvZW8.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/68FVi1MzhsPe22pRlAvZW8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83c0ebcff31d118900d07f2958e450fea605c4364f34561b786acec4a141704d. 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/6JCxgAL7SwjuYwNiSG4yYW.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/6JCxgAL7SwjuYwNiSG4yYW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872f4485cd641afd8f816cc5933750c2a99e0d52c2f7ec8df8974ae151876e12. 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/3uXKEQTzOngrZ1WWyMzuqO.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/3uXKEQTzOngrZ1WWyMzuqO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb03f10ad8ff5e4d9fe6aea027d6474e6ffdeac72e4d4385de3f2132052944891. 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/7afg1r9uLYz5Bg2LtW57Gh.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/7afg1r9uLYz5Bg2LtW57Gh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19dfe55271e69940d235bc45dfaf4346e963ab31c1d1561a5269af2cb0a01a5d. 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/3Yyc0Ccj7lZ3VOgBFMlEQo.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/3Yyc0Ccj7lZ3VOgBFMlEQo.
{"copyright_id":"0x444bd3b63ac33fc730b1dab07979cd7db8b1325e1c8d4436de060551cb355c9d","isrc":"JPU902304082","name":"好きにしなよ - Dotnoi & Tom-i Remix","registered_at":"2026-06-24T10:51:51Z","spotify_id":"2xynZxTPFqu9pvEUwOjPsa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444bd3b63ac33fc730b1dab07979cd7db8b1325e1c8d4436de060551cb355c9d. 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/2xynZxTPFqu9pvEUwOjPsa.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/2xynZxTPFqu9pvEUwOjPsa.
{"copyright_id":"0x184a758557c62118e707ddbb6a32dcdd5bd368caad3f5c3a37c987a3deecc1e8","isrc":"JPU902301773","name":"Round & Round","registered_at":"2026-06-21T22:04:39Z","spotify_id":"4tM2R4pATjOKmn7bBDz2bI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184a758557c62118e707ddbb6a32dcdd5bd368caad3f5c3a37c987a3deecc1e8. 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/4tM2R4pATjOKmn7bBDz2bI.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/4tM2R4pATjOKmn7bBDz2bI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1519a04a2617e04b70c848d313652981e8646c8a66b88a6cd96c30a6403243a7. 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/2juB8ktfGePWO5GAq8oCnL.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/2juB8ktfGePWO5GAq8oCnL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd67420829aaa68a3c5ad1cc7707dd78a522f94c27f0455cd49f5970e0f0c38. 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/4f3YRVNYD1U4RXwa5A2yg0.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/4f3YRVNYD1U4RXwa5A2yg0.
{"copyright_id":"0x22743eff9db24e4de20b9268bbab611d6d3a281bade9980a3144d54129ad5ed1","isrc":"JPU902205110","name":"カラノココロ - From THE FIRST TAKE","registered_at":"2026-06-10T03:05:54Z","spotify_id":"4SH01QVoOIvA6V5V2nRC0T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22743eff9db24e4de20b9268bbab611d6d3a281bade9980a3144d54129ad5ed1. 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/4SH01QVoOIvA6V5V2nRC0T.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/4SH01QVoOIvA6V5V2nRC0T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64ee24cfeb828d44286b1e1215fcfd3eaf2c1b6fddd1b531174c73a0ac9d760. 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/40ZUuVk5kJhslyay7Yxkbe.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/40ZUuVk5kJhslyay7Yxkbe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x309a9b1ce9f8714a5865992760b91d6e28d28f5cbf97c8575f905a246883f8e7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7cVmoXWA4FWsz8QVEx44wv.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/7cVmoXWA4FWsz8QVEx44wv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385c01bb6050c1375c03395324f9bd0dad92b2b645b086a7445b8070057103f4. 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/7lKzjUKqcgB1Sh2jGNCdKk.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/7lKzjUKqcgB1Sh2jGNCdKk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1db25995871d48b2ae07a58b1c5a2b76748560f087915901135d79fa65b3683. 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/7my0wD2JC2SrBJZNgvzkfD.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/7my0wD2JC2SrBJZNgvzkfD.
大切なものはいつも歌の中にある
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba974323bd90320ee3739b651739e383740bc44332a07348d58390f23b021e18. 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/7oXmHMPxv9ufvPuvHHJkm8.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/7oXmHMPxv9ufvPuvHHJkm8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d85674bac719aebe2cfc08a2ff856ae369f5b0bd200e15bfa3a1f4b1bd8ea5b. 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/4wmMQfshYwmuF7Sjc3WKZs.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/4wmMQfshYwmuF7Sjc3WKZs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134223f8deb381bf71483ab61d3ef0936740e10f18ab1a64885d20244742680a. 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/0wsayumbjCpqrfQ17wrcC4.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/0wsayumbjCpqrfQ17wrcC4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a500da9f09bde02a28e0638a7f71ed032d3a8f6e94c2d59b1dab7f68ef5eaa1. 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/7fIcrV1PHmlzGM0h1ro20T.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/7fIcrV1PHmlzGM0h1ro20T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134223f8deb381bf71483ab61d3ef0936740e10f18ab1a64885d20244742680a. 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/2GbqVrrJzEqVjMvRgbmBBG.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/2GbqVrrJzEqVjMvRgbmBBG.
We'll Never Die On Piano "Stay Home Ver."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b23011d3cd8e503edf49a718fb3be1c28b1d487ffa4f6d3559235c04b75eba8. 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/5pqY1CVLvgMb3T4nwdC9aO.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/5pqY1CVLvgMb3T4nwdC9aO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7578c93a6a8e3979d9a5b122a6e3e2fbf11ac59f8266341343496cd65c557e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2nA8EgOIhEUIIbclfJMPvc.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/2nA8EgOIhEUIIbclfJMPvc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b096a09a1e02db27abc7367d160021d35479989829936897f4e0cf73f2ab74e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Qnob2KPYA1Cvuwy3cIags.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/1Qnob2KPYA1Cvuwy3cIags.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad70566f39fd30c1cb09ada64c00c76bf8e128d9c391cc013f26fc0d8e71f69. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2tZEdBwtWV1EMdS64bR0vk.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/2tZEdBwtWV1EMdS64bR0vk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb795784b1db69f976f34b880177e3f7e05a983d056cbfcb5daa3a0456b940bc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2nHaN0sGnvkZKET42CdTaZ.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/2nHaN0sGnvkZKET42CdTaZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ecda5da19a1a7fb0c87ad5dcb1d7ed1a4954523edfd6c1f22c864d00f9b80e. 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/0HnTExOFL5XPu6grob7IX1.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/0HnTExOFL5XPu6grob7IX1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547a027146316ca214eccf4fd2b7b6969762d53cea7c099accbe0b7321ccfa49. 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/2GEjv5Eij7UHencr0E2n5W.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/2GEjv5Eij7UHencr0E2n5W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ad18634148f663559a2a3905dc636e94ccc6a4606385f3f3d402e4320dbd43. 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/4U5PadmkZvwnEixcCVTuGM.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/4U5PadmkZvwnEixcCVTuGM.
{"copyright_id":"0xdfdcdecd9bdf5d6d1fccca7e10af183d6351c5bca64f7998fae313c24ed9321e","isrc":"JPU902100817","name":"Tranquility <MODv>","registered_at":"2026-06-08T19:19:27Z","spotify_id":"6TQwZD2qgDcKYago0doGl4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfdcdecd9bdf5d6d1fccca7e10af183d6351c5bca64f7998fae313c24ed9321e. 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/6TQwZD2qgDcKYago0doGl4.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/6TQwZD2qgDcKYago0doGl4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ad18634148f663559a2a3905dc636e94ccc6a4606385f3f3d402e4320dbd43. 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/0oaEB1iYlGgBpX9fo3X7qn.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/0oaEB1iYlGgBpX9fo3X7qn.
BEST OF VOCAL WORKS [nZk] 2 -Side SawanoHiroyuki[nZk]-
{"copyright_id":"0x9d1a7add38c1fe829f456367411fa947a06fa56ef175abb943e2745e6270cb39","isrc":"JPU902000973","name":"Tranquility (Remastered)","registered_at":"2026-06-20T21:14:39Z","spotify_id":"0JamsK9dgdndKZUfglxtyH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1a7add38c1fe829f456367411fa947a06fa56ef175abb943e2745e6270cb39. 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/0JamsK9dgdndKZUfglxtyH.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/0JamsK9dgdndKZUfglxtyH.