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 0xbdcd31fa1535f41bb35055bf4c289888b8b23663bbe9d926cb3cc35cea0a4e0e. 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/2b0fe965-88df-4dac-9a8d-dd46abd27714.json and https://artists.proofprofile.net/proofs/artist/2b0fe965-88df-4dac-9a8d-dd46abd27714.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kingdom Of Imagination (Official Anthem Fairytale Festival 2018)
{"copyright_id":"0x2c74d5ff0ab9fb0ab9b4134fcaf188bc09ded622aaf1f6f462c03ac783c4ee33","isrc":"NLE801800502","name":"Stronger In The End","registered_at":"2026-06-24T21:09:55Z","spotify_id":"5UGAcvoH06vbQ1WPnouuvC","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 0x2c74d5ff0ab9fb0ab9b4134fcaf188bc09ded622aaf1f6f462c03ac783c4ee33. 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/5UGAcvoH06vbQ1WPnouuvC.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/5UGAcvoH06vbQ1WPnouuvC.
{"copyright_id":"0x4d6fd534e63ccdaa88e72b6dd24141f89aa99070ebfbf4eb63fb3f54c25868ff","isrc":"NLE801900419","name":"Feel Like Home","registered_at":"2026-06-22T09:08:17Z","spotify_id":"5ylvASxNjbE3VjWSdWZ2KP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d6fd534e63ccdaa88e72b6dd24141f89aa99070ebfbf4eb63fb3f54c25868ff. 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/5ylvASxNjbE3VjWSdWZ2KP.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/5ylvASxNjbE3VjWSdWZ2KP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9d74e222939622d10c31b4b9ff7a7e46dea3b734cde2ae0143586add0f1b3e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09x6z5LmUf3zub56Bbw3uw.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/09x6z5LmUf3zub56Bbw3uw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdca482c8a4a5006b79673a6249ede975f78157a81cc274bd901a4cf41581038. 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/6INSN3apnSRB5ISf7JqaAf.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/6INSN3apnSRB5ISf7JqaAf.
{"copyright_id":"0x440ef3adb2a3202bd9907b12e9f98d4a069dd3cfac0b5b21bc208dd1b2e7d089","isrc":"NLH3Q2300161","name":"The Ones","registered_at":"2026-06-29T11:31:04Z","spotify_id":"0cXMRwpnK0OjjwiCc8AOCo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x440ef3adb2a3202bd9907b12e9f98d4a069dd3cfac0b5b21bc208dd1b2e7d089. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0cXMRwpnK0OjjwiCc8AOCo.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/0cXMRwpnK0OjjwiCc8AOCo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670e42e36e469765f5e04f0914673c8e920357abf806d63e266417fee583dea0. 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/64HXLr9Hs2R9puLICPza5w.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/64HXLr9Hs2R9puLICPza5w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fd1393cd05477d378083350bd41ed28b0c3b40c7ebdc221ee1577077a049b6c. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1p8FEmTX8QPXmVUGVs4ZK9.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/1p8FEmTX8QPXmVUGVs4ZK9.
World Of Adventures (WiSH Outdoor Anthem 2025)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1412f0b75974c0daaa27d918b0191453a238b87c8b6182aa04e4cfbc2be5d0e6. 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/2jzLyqRJR9cPmqoMR2m2B4.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/2jzLyqRJR9cPmqoMR2m2B4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57400ad9983b0f792131b378520735143d933ab2e12f8a839799599b52ff26ec. 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/1phmF6Y0ZgV9kt3EaiEy4X.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/1phmF6Y0ZgV9kt3EaiEy4X.
Harder Tunes Forever, Vol. 2 - 100% the Best in Hardstyle and Hardcore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x938e5a2dc80a0af61d256e6d0e58a86da8436f76c6cc497459bc2bd00aebd016. 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/6p5Jf0w9FXwrtwzRa11PJi.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/6p5Jf0w9FXwrtwzRa11PJi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499289437712073cd78b134d8db248154b65518fb73951974de59890244326cd. 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/2lVnNFmlCj6TFrqmZ0qCjw.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/2lVnNFmlCj6TFrqmZ0qCjw.
{"copyright_id":"0xe7aac02cb4a14ccf467fb35dd80f8cdaa43e0bfd0e80899cf9a481b7a8d747c2","isrc":"NLS762300103","name":"Tidal Waves","registered_at":"2026-06-09T02:56:57Z","spotify_id":"0FNhYgDZSCFY1JfXYyHXJD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7aac02cb4a14ccf467fb35dd80f8cdaa43e0bfd0e80899cf9a481b7a8d747c2. 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/0FNhYgDZSCFY1JfXYyHXJD.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/0FNhYgDZSCFY1JfXYyHXJD.
{"copyright_id":"0xa0c0101cc05c090c446e82c39268d6ada02cf1c5430c1cca3a8b97ec7bc2070f","isrc":"NLH2L2400196","name":"Lucky Days - Mix Cut","registered_at":"2026-06-21T23:35:58Z","spotify_id":"22t6RxNUbN09DbFfJoV7Qf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c0101cc05c090c446e82c39268d6ada02cf1c5430c1cca3a8b97ec7bc2070f. 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/22t6RxNUbN09DbFfJoV7Qf.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/22t6RxNUbN09DbFfJoV7Qf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726b44d1145d4e089ce80605d04d4a190f791c19912ceebd39950b8363463366. 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/0lG9xar5QjIRZpv0NPKFue.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/0lG9xar5QjIRZpv0NPKFue.