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 0x413ba0b1ed24fcaca1b3d5f2a87f5b6766bc0ca4c59858a36ca0365a3ac58bec. 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/326bc978-a542-4873-8bdb-99ed3f8df5cd.json and https://artists.proofprofile.net/proofs/artist/326bc978-a542-4873-8bdb-99ed3f8df5cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb","isrc":"NL1X12400002","name":"Zilver Randje","registered_at":"2026-06-11T02:24:20Z","spotify_id":"0wUle22IqqziVU1MpEmzsG","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 0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wUle22IqqziVU1MpEmzsG.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/0wUle22IqqziVU1MpEmzsG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1CmMXXHyk5c3gNpAOH7s4p.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/1CmMXXHyk5c3gNpAOH7s4p.
{"copyright_id":"0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf","isrc":"NL1X12400006","name":"Dus Dans","registered_at":"2026-06-18T10:45:33Z","spotify_id":"07VgIquOgNQP9KpaZT5nu7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07VgIquOgNQP9KpaZT5nu7.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/07VgIquOgNQP9KpaZT5nu7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x423ccce46e91c6cde4b86907b1345bc61a8387f1702cbb872be9563cb8194f97. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6mI83BAV8hVSnUUv4JOl08.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/6mI83BAV8hVSnUUv4JOl08.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396dafd45873fb95b68a38a0dacff6a049803f98bf0e17e1666b61e532c93250. 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/6v5Bb9V1bRModUZt8XEhJG.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/6v5Bb9V1bRModUZt8XEhJG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95389cf4775be81d4371402cb372a3845078b12899fff916efcef76dd9460243. 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/6fij5WrKSzodPKmStKO6nY.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/6fij5WrKSzodPKmStKO6nY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ec5d10dc95741bbc5bd8b637643a37ca1e20b879e5497a8078bdd3b7fd0554. 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/0I3qywNTleAQ3c9HvwU5Wq.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/0I3qywNTleAQ3c9HvwU5Wq.
{"copyright_id":"0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80","isrc":"NL1X12400004","name":"Domineren De Nacht","registered_at":"2026-06-07T02:38:09Z","spotify_id":"6YJjC1arfVin8SOnCOVrnC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80. 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/6YJjC1arfVin8SOnCOVrnC.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/6YJjC1arfVin8SOnCOVrnC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9e0b7d76c40ef5d7203638ad91e330a1a59cdbd1b2694eb153bf37d421c3ee. 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/5hcIRPF9BTyjUYeFOGp67n.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/5hcIRPF9BTyjUYeFOGp67n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e480a65d40f66bd2b29a99d572cef18743b1a4bf8ba01f3cfd3b6f044a1780. 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/6U0kBl0C36YfufXpNGDq8R.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/6U0kBl0C36YfufXpNGDq8R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49066bf9222fb22711c8ee935e2d51502e10fe5f7951e2f0d7fdb27f076f903. 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/1xhBcofkvG3AI1kxOwiXRe.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/1xhBcofkvG3AI1kxOwiXRe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15d80348464dc35293ed4ca03a6c504541a12f9584704be8ac95bfb907c16b1. 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/2jWDb3lqCkC706KDp4htza.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/2jWDb3lqCkC706KDp4htza.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x423ccce46e91c6cde4b86907b1345bc61a8387f1702cbb872be9563cb8194f97. 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/48frhQQFEo52mhX45Q4MMq.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/48frhQQFEo52mhX45Q4MMq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396dafd45873fb95b68a38a0dacff6a049803f98bf0e17e1666b61e532c93250. 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/450bePQl5Ogl5oyFGzwIrV.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/450bePQl5Ogl5oyFGzwIrV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95389cf4775be81d4371402cb372a3845078b12899fff916efcef76dd9460243. 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/17XKPJOu3Cj9j6wAy1VoJN.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/17XKPJOu3Cj9j6wAy1VoJN.
{"copyright_id":"0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb","isrc":"NL1X12400002","name":"Zilver Randje","registered_at":"2026-06-11T02:24:20Z","spotify_id":"4LWNFRZcUbBwcGYC6YibXs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb. 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/4LWNFRZcUbBwcGYC6YibXs.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/4LWNFRZcUbBwcGYC6YibXs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ec5d10dc95741bbc5bd8b637643a37ca1e20b879e5497a8078bdd3b7fd0554. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3DLmdX6MdiwlCmiTTQsgT7.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/3DLmdX6MdiwlCmiTTQsgT7.
{"copyright_id":"0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80","isrc":"NL1X12400004","name":"Domineren De Nacht","registered_at":"2026-06-07T02:38:09Z","spotify_id":"5i9H0GieTlKdjEbgCiNsCr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80. 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/5i9H0GieTlKdjEbgCiNsCr.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/5i9H0GieTlKdjEbgCiNsCr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9e0b7d76c40ef5d7203638ad91e330a1a59cdbd1b2694eb153bf37d421c3ee. 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/1NU2afIREz3jvBnAIHE7MM.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/1NU2afIREz3jvBnAIHE7MM.
{"copyright_id":"0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf","isrc":"NL1X12400006","name":"Dus Dans","registered_at":"2026-06-18T10:45:33Z","spotify_id":"0VOdUYcpu5YQHvaoENiMMW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf. 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/0VOdUYcpu5YQHvaoENiMMW.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/0VOdUYcpu5YQHvaoENiMMW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15d80348464dc35293ed4ca03a6c504541a12f9584704be8ac95bfb907c16b1. 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/5EpOaUHPejAXRSUu7ArJ2L.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/5EpOaUHPejAXRSUu7ArJ2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396dafd45873fb95b68a38a0dacff6a049803f98bf0e17e1666b61e532c93250. 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/289NOT3DzIaOL5usnMEU4V.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/289NOT3DzIaOL5usnMEU4V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95389cf4775be81d4371402cb372a3845078b12899fff916efcef76dd9460243. 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/42Z1xSYU3naHsv2UmprqUT.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/42Z1xSYU3naHsv2UmprqUT.
{"copyright_id":"0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb","isrc":"NL1X12400002","name":"Zilver Randje","registered_at":"2026-06-11T02:24:20Z","spotify_id":"3h1gZJZ7b5sAeeanMfhian","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb. 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/3h1gZJZ7b5sAeeanMfhian.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/3h1gZJZ7b5sAeeanMfhian.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ec5d10dc95741bbc5bd8b637643a37ca1e20b879e5497a8078bdd3b7fd0554. 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/4DlA69MIdXbH3kwXEglxKV.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/4DlA69MIdXbH3kwXEglxKV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d4e17218924fa10a6cab133432e976699fde6c5a9e0aa12d3b57faf2e06a80. 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/0y5fqE6p7GlFCgg48hc8OL.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/0y5fqE6p7GlFCgg48hc8OL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9e0b7d76c40ef5d7203638ad91e330a1a59cdbd1b2694eb153bf37d421c3ee. 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/3OECgKN2O8BP0LZBFEPIPK.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/3OECgKN2O8BP0LZBFEPIPK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e480a65d40f66bd2b29a99d572cef18743b1a4bf8ba01f3cfd3b6f044a1780. 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/5XaBeQ85s4cU5sYu4Dm28H.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/5XaBeQ85s4cU5sYu4Dm28H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf. 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/5Dn0110E0Zr743yk5ONkkl.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/5Dn0110E0Zr743yk5ONkkl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49066bf9222fb22711c8ee935e2d51502e10fe5f7951e2f0d7fdb27f076f903. 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/7CwIrT6aNvbft8Edw9b5hl.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/7CwIrT6aNvbft8Edw9b5hl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15d80348464dc35293ed4ca03a6c504541a12f9584704be8ac95bfb907c16b1. 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/1GyM4e9cMWOVHYWvrEgbdJ.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/1GyM4e9cMWOVHYWvrEgbdJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x423ccce46e91c6cde4b86907b1345bc61a8387f1702cbb872be9563cb8194f97. 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/4C7mK69Ahb940PEbwxoJwa.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/4C7mK69Ahb940PEbwxoJwa.
{"copyright_id":"0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb","isrc":"NL1X12400002","name":"Zilver Randje","registered_at":"2026-06-11T02:24:20Z","spotify_id":"1MJDkBRUr5yl39bjlcDv7C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90137292d6daced31053fd2ee22b7feba0bfe7ec7a1535e038be19735c4dfbb. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1MJDkBRUr5yl39bjlcDv7C.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/1MJDkBRUr5yl39bjlcDv7C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9e0b7d76c40ef5d7203638ad91e330a1a59cdbd1b2694eb153bf37d421c3ee. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3u2AEQLH5OyMRs76tfRDum.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/3u2AEQLH5OyMRs76tfRDum.
{"copyright_id":"0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf","isrc":"NL1X12400006","name":"Dus Dans","registered_at":"2026-06-18T10:45:33Z","spotify_id":"1Hv6Et4Dv3RSO58jbb8xIp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c651ba86b827db45d9c23d57a5e8acbaacdf73ad3f1b0c58fcd75ac6a363bf. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Hv6Et4Dv3RSO58jbb8xIp.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/1Hv6Et4Dv3RSO58jbb8xIp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15d80348464dc35293ed4ca03a6c504541a12f9584704be8ac95bfb907c16b1. 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/0uliVaaD3DTqMF8I6XNDg6.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/0uliVaaD3DTqMF8I6XNDg6.