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 0x42d8105e955bfda26661d60d1104ef79949c1c78e34215bb308ad86a969b7cbb. 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/46a74893-335d-4402-9b42-647af87c988b.json and https://artists.proofprofile.net/proofs/artist/46a74893-335d-4402-9b42-647af87c988b.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 0x664f7fa068b9edd38faa9a2f4675fbc199e3de48a613d753c4bb412319a9ea68. 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/4123XDtMCC2I9oQJuhrTBr.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/4123XDtMCC2I9oQJuhrTBr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a17654b1d27b313196bd2165541e0c53692ed7521a8e6fe36c0b13bce65984f. 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/2Yc0MhEyiSl6opAT00cKJO.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/2Yc0MhEyiSl6opAT00cKJO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x696f069b4cc0033f2662ea491d7b9e71962a3ac4c900e79b108cd86b0b7e287a. 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/62gCIK1OGGokXD0flbcqaC.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/62gCIK1OGGokXD0flbcqaC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05772d606ebfcec79940d0f3ea08241fb656e10f2b1f59d3a1e30eb40e32e98. 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/397b8gElENZikzMHrl8Umq.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/397b8gElENZikzMHrl8Umq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbae54aa6bfff78a094a5f6a922acb42ebfc1cd64740202e3af331fdd1cbbc35c. 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/23zvP0W3Kgt0sVm2UQYwb7.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/23zvP0W3Kgt0sVm2UQYwb7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba379dfdcc283c356799cba2235d48474d17d667b628001813081f3b46b35c52. 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/6dkFqPYE7V3MEuhFoFU9SB.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/6dkFqPYE7V3MEuhFoFU9SB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d49d05839be4290b838ada7ed6ddfd5fd71983a1fb8ade8a4085b08c532e130. 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/25nziq68HcdPJCfGBIZHi4.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/25nziq68HcdPJCfGBIZHi4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59da48fb2e5c01aedccbb9a1c24468cb17cadfa1df168d167233a0aa47d83658. 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/6tLEOIqNXy8MVlfCKmagAd.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/6tLEOIqNXy8MVlfCKmagAd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb93b3b5926b643a1493a68643f0f7a0d661e6eb73345c4f563c80226904ba3. 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/5lLDeAhl8LSJUB1FGPoGaz.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/5lLDeAhl8LSJUB1FGPoGaz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d12443bd28fc5c410ba8281f3c5c6b5a59248bcb2908da763b1818eb400a78. 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/7CR0JDVGv837eBUBH4G4CV.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/7CR0JDVGv837eBUBH4G4CV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d20fa7a7f29988ba776a0b818acd018b6aa6b34bd89f2fe943df972f710c376. 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/3CL5C69gBUpZ73LrOtvV1i.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/3CL5C69gBUpZ73LrOtvV1i.
{"copyright_id":"0xefcaa3f97d869c6d04676aa4bb153ea14eef2e5fa8a3cb49666d388eed636a29","isrc":"NLS5K2100046","name":"Meer Leven","registered_at":"2026-06-26T03:40:51Z","spotify_id":"7ugmaPE74AEhBdOKIqD9nc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefcaa3f97d869c6d04676aa4bb153ea14eef2e5fa8a3cb49666d388eed636a29. 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/7ugmaPE74AEhBdOKIqD9nc.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/7ugmaPE74AEhBdOKIqD9nc.
{"copyright_id":"0xeb268dafdfa48ab2da58384c14eccc70c62df578c3718c66f9805c525316d2fe","isrc":"NLS5K2100019","name":"Alles Hoog Cypher 2","registered_at":"2026-06-20T10:50:52Z","spotify_id":"7Bz4j6glGyo5XDxq0SNbPk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb268dafdfa48ab2da58384c14eccc70c62df578c3718c66f9805c525316d2fe. 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/7Bz4j6glGyo5XDxq0SNbPk.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/7Bz4j6glGyo5XDxq0SNbPk.
{"copyright_id":"0xa2d2487c0f592804a819bc7bb1783fa6db749ae55e7a82afdd26fd9209b16d5d","isrc":"NLS5K2000134","name":"Alles Hoog Cypher #1","registered_at":"2026-06-27T12:43:27Z","spotify_id":"0HxkfllCDZMmhDhXUmUHoz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d2487c0f592804a819bc7bb1783fa6db749ae55e7a82afdd26fd9209b16d5d. 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/0HxkfllCDZMmhDhXUmUHoz.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/0HxkfllCDZMmhDhXUmUHoz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fcd687b285ad1bbf5e90cc9aab02543c393db98f9d8f91b7f4dba066a958059. 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/7jwjGIcoyklrZaZnHUGdYZ.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/7jwjGIcoyklrZaZnHUGdYZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085222cb4d94adc82f860c99e7fcc0d63b019990ee18ecda857e5bc8c106a79d. 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/0w38PhUvnsANu0eZafEG83.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/0w38PhUvnsANu0eZafEG83.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa48a544607db8967299560334f6a3551098a9826b0eda2b0b49116ed2d38de. 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/01jQvMypj88Yq6tyFczMdA.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/01jQvMypj88Yq6tyFczMdA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93eae67215458462a13f928f6115d46ca8ce54f94062ab9647131c2ad4e977b0. 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/6RRTRbORBN03RV2XEVuW6s.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/6RRTRbORBN03RV2XEVuW6s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11970a6bf5dbcad98769b8bd229de7fb32466c1ee34a8c9d279db150c8396124. 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/0mGIwPaRuNvA0N7D9Tw4FB.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/0mGIwPaRuNvA0N7D9Tw4FB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3456b0fca3fa838e8aafc127a6e3c4feab98588eae2b6c9d554f23cf97997d. 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/6j5HgAa4SeCER8jv9JskYs.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/6j5HgAa4SeCER8jv9JskYs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2bdcf29f9971d4447158e14c7ac563fae07a589226b293488c4f3d47febb205. 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/4bA4XvVBlyQSaA35aqx7jh.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/4bA4XvVBlyQSaA35aqx7jh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62539ece4ccba4518cd977af8800a8cb250166eea2880e7f5e4980e19ef7dce4. 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/2jWLTJf40MRrt5CdoOZFw9.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/2jWLTJf40MRrt5CdoOZFw9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da4c805900ddb9263ff7ccbe705e3446a5d87f56891e1c492204d9329504f68. 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/6GPB3fmJ42WYiJ7a1k0jcF.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/6GPB3fmJ42WYiJ7a1k0jcF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9919515eeef889e069208266f618999199f50b9ca372c1a8624ac01834e60b22. 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/5BjJZJWdg6Bc9cdsIPDqQZ.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/5BjJZJWdg6Bc9cdsIPDqQZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42b120fcbcbf97a4c25e50a8e904ec0f6847a137a35464f6e1bbdd3b2773d25. 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/3pVV2FrzAKJveLHL7bN4mr.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/3pVV2FrzAKJveLHL7bN4mr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2520ee00d161ceac8910e81946849367add0a64ea64701812e495efe50dda670. 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/2aGsdu9sY6QfSQuysV2Kht.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/2aGsdu9sY6QfSQuysV2Kht.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4faa05d4e2e13f5fc29664753e241a886aca4cb7d352c7ab529a99c629963bdd. 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/2myx9Gl8vptfshthhyF7Ua.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/2myx9Gl8vptfshthhyF7Ua.
{"copyright_id":"0x2e3efcb4da8ab7c4a8091cf939109bbb26af8d852660add9ae6eb70a0d990b66","isrc":"NLS5K1900180","name":"Zoveel Meer","registered_at":"2026-06-18T14:53:53Z","spotify_id":"5FiAQwix8f7xdvumyTwv5K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3efcb4da8ab7c4a8091cf939109bbb26af8d852660add9ae6eb70a0d990b66. 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/5FiAQwix8f7xdvumyTwv5K.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/5FiAQwix8f7xdvumyTwv5K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d8b50092e314972f1a58c89ca63feb9841aade82e15b844d203532772c18550. 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/5L0uL0956Alsjc3eydiVq1.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/5L0uL0956Alsjc3eydiVq1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b866aedd1ba02bded6bd3b3acc067c3011b2450625b1cddfdf8698fbdcff98d. 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/7g0qWHX5sBi40gnVdmPyu9.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/7g0qWHX5sBi40gnVdmPyu9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f58cba7f236ac7f13300068796d490560d7e6172ebfa3a5c6b9261984d9c1c2. 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/6ABkVsmdG7HDxWfbcbFFAu.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/6ABkVsmdG7HDxWfbcbFFAu.
{"copyright_id":"0x15bb042e675b3c952bed1c1c5be7831c5ba6feecee47a60b38f9f0d0873f0cce","isrc":"NLS5K1800090","name":"Op 1 Lijn","registered_at":"2026-06-25T10:39:55Z","spotify_id":"1AAsXAjT1WDwS33xeKOMac","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15bb042e675b3c952bed1c1c5be7831c5ba6feecee47a60b38f9f0d0873f0cce. 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/1AAsXAjT1WDwS33xeKOMac.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/1AAsXAjT1WDwS33xeKOMac.
{"copyright_id":"0x21f460b3a985f0be03665d708e60ebcb9a7fb4fcd3543ed013a96cddaa834ae2","isrc":"NLS5K1800091","name":"Rennen Door De Velden","registered_at":"2026-06-22T07:27:48Z","spotify_id":"5u7H7ZrBkTZT2hUicrIy2g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f460b3a985f0be03665d708e60ebcb9a7fb4fcd3543ed013a96cddaa834ae2. 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/5u7H7ZrBkTZT2hUicrIy2g.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/5u7H7ZrBkTZT2hUicrIy2g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76041878b5667050a0ba6215b8984d6d181272e6f57916ce7ec49842b7ae2f42. 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/60418dpoLQ48E13jSB5a2L.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/60418dpoLQ48E13jSB5a2L.