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 0x8ca573bfc352f6109180f01d63b1e5b2dfa00de975a57c2a1a6e356dc9e693f7. 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/278a6417-f208-46c0-85e9-559f21303cb4.json and https://artists.proofprofile.net/proofs/artist/278a6417-f208-46c0-85e9-559f21303cb4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x63fd438debfb4cd58be51d4eb042dfdc589748ee741dd2a068f2d4a81f991890","isrc":"FRX202388330","name":"VRATIM NA STREET","registered_at":"2026-06-10T06:27:14Z","spotify_id":"6RdoOpo27TO1QrXvFEPRvs","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 0x63fd438debfb4cd58be51d4eb042dfdc589748ee741dd2a068f2d4a81f991890. 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/6RdoOpo27TO1QrXvFEPRvs.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/6RdoOpo27TO1QrXvFEPRvs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x429072c1c1991bcf80cc2d37eb24e66b5b53fab072697d5bc962a9ad1ad49de5. 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/3x9HKT0xFCCZMLiRLDszlS.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/3x9HKT0xFCCZMLiRLDszlS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4570face9d383af6664e363505b280469f05a1ca0423872eb198d9ef4a0afa44. 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/3kfXAmxIx6ug87rPje32Qi.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/3kfXAmxIx6ug87rPje32Qi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3a9dd3541aab0f95a24d538511fd01751fa850ede603918af2735e1fb2013f5. 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/2cG8qIDzcFIlb0KlxtGoOp.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/2cG8qIDzcFIlb0KlxtGoOp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196373ff8f8635a5bfb7eb7a8c32cc0efc182a6f0cfadcc46c2e6cf1713c4ec8. 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/28p9Nh9g8NrwWL6DK4aQYD.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/28p9Nh9g8NrwWL6DK4aQYD.
{"copyright_id":"0xae12bfea9b79f19e6039aace6f377e25c5f080e6ea5ac33bd2b9d28f0f065b46","isrc":"CZUM72400182","name":"Dokud to sype","registered_at":"2026-06-09T19:43:54Z","spotify_id":"2awIrNhIbBt4iqEjBFb7CZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae12bfea9b79f19e6039aace6f377e25c5f080e6ea5ac33bd2b9d28f0f065b46. 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/2awIrNhIbBt4iqEjBFb7CZ.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/2awIrNhIbBt4iqEjBFb7CZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5614966fe128570b1cb8f4282484ddd31d712efb4695d1e5eee574faac0a95a. 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/4OmhN2ClhKKnja8mybN9wm.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/4OmhN2ClhKKnja8mybN9wm.
{"copyright_id":"0x3b44b024b2ee291a61768709c792fcacad0fd1c93cc00b6a5bde12a5317dca46","isrc":"CZUM72400184","name":"Nosime bolest","registered_at":"2026-06-08T05:00:29Z","spotify_id":"7dXeTAVdfR9cnBxQlpR5yO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b44b024b2ee291a61768709c792fcacad0fd1c93cc00b6a5bde12a5317dca46. 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/7dXeTAVdfR9cnBxQlpR5yO.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/7dXeTAVdfR9cnBxQlpR5yO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5e9c779b4efa89a15fb476a3855429fbb854b8afd65b878255499b788fac12. 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/3dZ7EuRw2inutixRLDPkF4.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/3dZ7EuRw2inutixRLDPkF4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1599d0fec0e4e0e62fe1ccecb64418277d6d6bd2a7eaa5745346816e90fc538c. 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/1NS1ha0LH1nh1n3oKpiR9T.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/1NS1ha0LH1nh1n3oKpiR9T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9564a3e0f5319ceba246bc84d1b804387120a03869d7fa010a03140bc8216427. 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/3yoUzgxPM29Rmzsh3JBE89.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/3yoUzgxPM29Rmzsh3JBE89.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6821c75047ebc1fe78d4d83f00b7293fe66b0df7e24c9d9edbc6a4ce6b8136. 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/2SJ4YbGsUVwUlhG88C7phd.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/2SJ4YbGsUVwUlhG88C7phd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3426be912c039cf15ad4f0d866619c97c04c42e163b30db34085cce51f19e196. 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/7Dkm1R9pWnpANV3MRSxLpA.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/7Dkm1R9pWnpANV3MRSxLpA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d6edc6d08a8fc7c26a8fbf383bfe654c6d905039f147e4d7e745f001c81df2e. 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/7bH9lgfDerCgvHiHyzuX66.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/7bH9lgfDerCgvHiHyzuX66.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5c4f9b8912a25bc4cf51fc0290fbc73818433473b459a0af9336a691f25f33. 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/1b9r1FyrtQ4ErT55Si3wQu.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/1b9r1FyrtQ4ErT55Si3wQu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98110b9cca5113236353a53dad41901d813d0bf28b39981365925f9e6af0f731. 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/1qQ3DHbR4PhguuvL2VFaQT.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/1qQ3DHbR4PhguuvL2VFaQT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e489dd3d9a57e989462e3ce45d3ac97a842224a20d8199bd35ff7b157d53c1. 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/5rvsZsUnrdvE6FFZ8A66rV.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/5rvsZsUnrdvE6FFZ8A66rV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd301de28ecb091993511b642b2f0a11e7967c965298a50d932a4fb7dc343ba07. 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/3xpXodKSqlciKM0mIgBjgG.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/3xpXodKSqlciKM0mIgBjgG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5550f8b10f3b5551d60e537dc9cf53c183a72a80097488668b3f07ef1817d0a8. 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/72aCcRgubDS28ZlT1Et3Ne.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/72aCcRgubDS28ZlT1Et3Ne.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7993e9f0ac462ecf72f4314c95f88dced5438c27f3451f24609cf93ba351143a. 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/2fazP3bU1L7PZM3gl9fvOm.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/2fazP3bU1L7PZM3gl9fvOm.
{"copyright_id":"0x12d76c2fee52dc42b1d2333db80b0ca111305e79a2bcb12d1ec14e72e8936cce","isrc":"QZHNB2352261","name":"Budu mít víc","registered_at":"2026-06-22T07:23:56Z","spotify_id":"3HfwmnXu6cQTmlHbfrfE7n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d76c2fee52dc42b1d2333db80b0ca111305e79a2bcb12d1ec14e72e8936cce. 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/3HfwmnXu6cQTmlHbfrfE7n.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/3HfwmnXu6cQTmlHbfrfE7n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950498a9200a7c838bb1f15e78b1e9082c7f2e245f7fd33c422a7b790a3794de. 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/1sH4j9EXunkXlQkNlhIEUS.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/1sH4j9EXunkXlQkNlhIEUS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a9133208f63e7a2ff5f0cca4fa717c7f0e84980a94ced223ce577e335e7c0a. 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/7FLSokxwLMq5ALrsKVcOy0.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/7FLSokxwLMq5ALrsKVcOy0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d806a3ff46ed1f3a6f90e505406146f58d3e305990430a5180837b67ce294c0. 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/7omycrX60iA5MEs1vajP3b.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/7omycrX60iA5MEs1vajP3b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa127678104fe7003ffe873f793367305a55817002f6413c85660f2313f51f31. 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/0GFPSDlD26hscMcoddNnnq.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/0GFPSDlD26hscMcoddNnnq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33714c3e7054950f92bb75ff4b22065fe2ca9899d6be2e8a1da02b9b0008406. 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/4flUmJK46S3WYz7kc7IHTI.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/4flUmJK46S3WYz7kc7IHTI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4dd0f5be890a3b1ca726eb00701ad4420edf9e4b2e8daa713acd03be39771ba. 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/7sXBI6vDvXlmGOm07TUoyz.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/7sXBI6vDvXlmGOm07TUoyz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ffba936cdbc21ac23e9e8e4c0cc3e7773c1e21a6b0a286f39ebe8eb0fa2cba. 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/35KvnVvm3XeUVbYKbUT4Sx.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/35KvnVvm3XeUVbYKbUT4Sx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16772e28126d01cd35ca7f84f36feee8540da99c5b5f39f9de425eb4f4d679ec. 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/2eJWti1RmxlY2Ecpsn7rzU.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/2eJWti1RmxlY2Ecpsn7rzU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11165adefc815f68ce09ddc3e7123efc51f44fa5594b496595e9a03c98de464. 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/5uszJ3Mv3zZv1zDuUZbhHR.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/5uszJ3Mv3zZv1zDuUZbhHR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf553ea2f9f104836870762522b97191ca201dfe803845f7871bd9c81b22833d8. 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/5I2Hl0ST5H6enCCjC73UTD.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/5I2Hl0ST5H6enCCjC73UTD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc587d27e6dd4a0e01770fef4d960f06d578875dbb0cd9a7f76360e0375b762a6. 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/4xjQC17hdVaLQDS9Kwiqx1.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/4xjQC17hdVaLQDS9Kwiqx1.
{"copyright_id":"0x28096acc3f41ba5b85f92ef1e74f838c44db8307c67dea1ff436e3a98c9ad158","isrc":"CZUM72400134","name":"Město hříchů","registered_at":"2026-06-19T19:34:18Z","spotify_id":"4GsmqkkIkO3WYf6Ih1mbWs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28096acc3f41ba5b85f92ef1e74f838c44db8307c67dea1ff436e3a98c9ad158. 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/4GsmqkkIkO3WYf6Ih1mbWs.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/4GsmqkkIkO3WYf6Ih1mbWs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0903ef99d6ca3313b35cd98330927d0d3ce3e640ce6fe5e6fb9002467effa7bd. 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/1Hkms332aFRmsjQI9gKnyv.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/1Hkms332aFRmsjQI9gKnyv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf44e0ae94bf4cfd2022e4e69bd2d6cc2ebe99fd066cc00b2c71a1617b57259a3. 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/3u7tn2Pf9XUJtxzas8P8DG.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/3u7tn2Pf9XUJtxzas8P8DG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75110884ea4a4494081f64f7e0d1b85d5615e3704ca15d8d78a3f19fdb68b28b. 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/74UATNIJ0ENAP0fDUm0tSS.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/74UATNIJ0ENAP0fDUm0tSS.
{"copyright_id":"0x63886aa1ec214de897aac5cdebfd0d50b59c7a0d96d5f5ac6794c4cdb0a13a0a","isrc":"QZRP42343977","name":"Hustle Freestyle","registered_at":"2026-06-27T19:21:38Z","spotify_id":"3F3mH3XXg4xtX5aeNKGWY8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63886aa1ec214de897aac5cdebfd0d50b59c7a0d96d5f5ac6794c4cdb0a13a0a. 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/3F3mH3XXg4xtX5aeNKGWY8.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/3F3mH3XXg4xtX5aeNKGWY8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fea75c8f471ca5d99313f321fc3884c9c9916383044a3de09ada4787f65da38. 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/7rkn0m6wMM3aIvukrhq73H.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/7rkn0m6wMM3aIvukrhq73H.
{"copyright_id":"0x78d19ab9c917e0842f93d8cc94a5cfc22c4917a23212e7e0b1437c41415fa6df","isrc":"QZNWW2358339","name":"Nenechám si zkurvit vibe","registered_at":"2026-06-07T22:49:02Z","spotify_id":"3wgUL8JRT4LT4VJSkeLDxq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d19ab9c917e0842f93d8cc94a5cfc22c4917a23212e7e0b1437c41415fa6df. 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/3wgUL8JRT4LT4VJSkeLDxq.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/3wgUL8JRT4LT4VJSkeLDxq.
{"copyright_id":"0x05bb04c7e2ee21f7ff1fb9df3e45ae491bcfdc7cb2543a0026485f1673a51d60","isrc":"QZDA52346303","name":"Žena do života 2.5","registered_at":"2026-06-06T13:32:25Z","spotify_id":"0ceTIRVWYIQdb5xPQegVNe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05bb04c7e2ee21f7ff1fb9df3e45ae491bcfdc7cb2543a0026485f1673a51d60. 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/0ceTIRVWYIQdb5xPQegVNe.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/0ceTIRVWYIQdb5xPQegVNe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1f38662a48dd486f6e0714c99a909e966cd66698e520605a7afb3fa8dc0d82. 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/1YDqQZWy6ORwDvTwp2qvPU.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/1YDqQZWy6ORwDvTwp2qvPU.
{"copyright_id":"0x1dcb73e36a0c1454d2f9e03fca647df7f6cf839ff298058d20abf13d00edc0f4","isrc":"QZNWV2295962","name":"Všechno Nebo Nic","registered_at":"2026-06-18T06:40:22Z","spotify_id":"3nZwyahQ13NWvbdRs7SDjg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dcb73e36a0c1454d2f9e03fca647df7f6cf839ff298058d20abf13d00edc0f4. 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/3nZwyahQ13NWvbdRs7SDjg.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/3nZwyahQ13NWvbdRs7SDjg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf304391009884ec2e7f0f491bb7dfc189c4dff53c4e8c0fbd71c42c577610f28. 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/2Guiag5v6kDIcFuq1ERTqx.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/2Guiag5v6kDIcFuq1ERTqx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aab52fb9ccf0f7a33a7ed9ed80b44d51d2bf2513707721bc72ec28f2f156ecf. 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/7DNkmOEMmgEozGBo0Sb3Dx.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/7DNkmOEMmgEozGBo0Sb3Dx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0ceb4301c8ef09f176e3c5de4d51af35f48bd49cb9a968d1c8ed93f4a41435. 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/0HhMJOIRmazeCE8LQXZmIE.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/0HhMJOIRmazeCE8LQXZmIE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92e41009c029b24fabb1b8090f60b63d62785b57a63f4da6332588a53d7da01. 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/0wTk6VROMUEzc4Ah9szsDO.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/0wTk6VROMUEzc4Ah9szsDO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51d25f682f0f30be3820188257f59efaee162b8014b540ce010bc3434fa1dd9. 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/3f5UBcMGakeA7ItXZq5gHN.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/3f5UBcMGakeA7ItXZq5gHN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf481b50c633c20ff6ae783117678422eab34c56f3383319bd7c82eedb4687832. 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/6wWlRbzGGKwUekAZiIJnIJ.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/6wWlRbzGGKwUekAZiIJnIJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf481b50c633c20ff6ae783117678422eab34c56f3383319bd7c82eedb4687832. 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/7CJYN9fbWn9ghwriUDTsTV.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/7CJYN9fbWn9ghwriUDTsTV.
{"copyright_id":"0x63fd438debfb4cd58be51d4eb042dfdc589748ee741dd2a068f2d4a81f991890","isrc":"FRX202388330","name":"VRATIM NA STREET","registered_at":"2026-06-10T06:27:14Z","spotify_id":"5kj9DPT5xen3SYtsQdncaW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fd438debfb4cd58be51d4eb042dfdc589748ee741dd2a068f2d4a81f991890. 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/5kj9DPT5xen3SYtsQdncaW.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/5kj9DPT5xen3SYtsQdncaW.