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 0x54998b0e4bdd30d89dff45e882f38238e50ed2e31054ff2b17b724271229f4d1. 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/66a326e2-26fd-4cd7-b6a6-16db4718364e.json and https://artists.proofprofile.net/proofs/artist/66a326e2-26fd-4cd7-b6a6-16db4718364e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1e32aafbfc9ae4deeb6af16dd1b35b5e939cfd2cb23394fb4796a0456f538773","isrc":"ITAD81900026","name":"Autumn Tactics - Highpass Remix","registered_at":"2026-06-21T06:25:01Z","spotify_id":"5yhhlkKOc2aGtc98hx6BF3","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 0x1e32aafbfc9ae4deeb6af16dd1b35b5e939cfd2cb23394fb4796a0456f538773. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5yhhlkKOc2aGtc98hx6BF3.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/5yhhlkKOc2aGtc98hx6BF3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc7a8c6d7f20a08b24b03f88303f32d4f9a26e7d44405a25d09cdfc72f16a78. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/39MySAtmxMYqcVH9dCyf6d.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/39MySAtmxMYqcVH9dCyf6d.
The Days of Pearly Spencer - Extended Mix
Deep House Lounge, Vol. 3 (Chillout Session)
{"copyright_id":"0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4","isrc":"ITAD81800147","name":"Through the Barricades - Highpass Remix","registered_at":"2026-06-05T05:49:14Z","spotify_id":"2tBOOjtyzhTJUXbM7Cvl2I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4. 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/2tBOOjtyzhTJUXbM7Cvl2I.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/2tBOOjtyzhTJUXbM7Cvl2I.
Monte Carlo Deep House Vibes (Summer Session)
{"copyright_id":"0xbbc1d4e0fe0ff7956a4942e3ff052adabec84de5627b4d58edb752f555c4130e","isrc":"ITAD81500234","name":"Somebody to Love","registered_at":"2026-06-07T22:31:49Z","spotify_id":"3WFLLHf66gC3rkmC9nD7vQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc1d4e0fe0ff7956a4942e3ff052adabec84de5627b4d58edb752f555c4130e. 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/3WFLLHf66gC3rkmC9nD7vQ.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/3WFLLHf66gC3rkmC9nD7vQ.
{"copyright_id":"0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4","isrc":"ITAD81800147","name":"Through the Barricades - Highpass Remix","registered_at":"2026-06-05T05:49:14Z","spotify_id":"3kwOQ3L0aSpFzy0FnfEmwr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4. 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/3kwOQ3L0aSpFzy0FnfEmwr.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/3kwOQ3L0aSpFzy0FnfEmwr.
House Relax, Vol. 6 (Deep and Chill Mix)
{"copyright_id":"0x3317c5f3755f4b9fe80ac288d6b63c7b5bd508b869f4d7ea1c542e3f6e8e5889","isrc":"ITAD81800014","name":"Bette Davis Eyes - Mw Deep Retouch","registered_at":"2026-06-04T13:52:19Z","spotify_id":"47T5v5AKtdXKAfxj79Mgzg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3317c5f3755f4b9fe80ac288d6b63c7b5bd508b869f4d7ea1c542e3f6e8e5889. 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/47T5v5AKtdXKAfxj79Mgzg.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/47T5v5AKtdXKAfxj79Mgzg.
{"copyright_id":"0x1e32aafbfc9ae4deeb6af16dd1b35b5e939cfd2cb23394fb4796a0456f538773","isrc":"ITAD81900026","name":"Autumn Tactics - Highpass Remix","registered_at":"2026-06-21T06:25:01Z","spotify_id":"6H5qssZS1JSzmcF3pxC3NP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e32aafbfc9ae4deeb6af16dd1b35b5e939cfd2cb23394fb4796a0456f538773. 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/6H5qssZS1JSzmcF3pxC3NP.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/6H5qssZS1JSzmcF3pxC3NP.
Be Happy, Vol. 2 (Deep & Tropical House Selection)
{"copyright_id":"0xecb70764be902d4e45f93d8a6926942a6c28a5b6ec9ea5d93ef2c1af44ce7a64","isrc":"ITAD81700023","name":"Million Years Ago - LVD Remix","registered_at":"2026-06-07T22:34:47Z","spotify_id":"548vI5n1TdtqvFPkRMyY3w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb70764be902d4e45f93d8a6926942a6c28a5b6ec9ea5d93ef2c1af44ce7a64. 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/548vI5n1TdtqvFPkRMyY3w.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/548vI5n1TdtqvFPkRMyY3w.
{"copyright_id":"0xbbc1d4e0fe0ff7956a4942e3ff052adabec84de5627b4d58edb752f555c4130e","isrc":"ITAD81500234","name":"Somebody to Love","registered_at":"2026-06-07T22:31:49Z","spotify_id":"6WPMXgENXiNStWMXvFzKxQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc1d4e0fe0ff7956a4942e3ff052adabec84de5627b4d58edb752f555c4130e. 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/6WPMXgENXiNStWMXvFzKxQ.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/6WPMXgENXiNStWMXvFzKxQ.
{"copyright_id":"0xecb70764be902d4e45f93d8a6926942a6c28a5b6ec9ea5d93ef2c1af44ce7a64","isrc":"ITAD81700023","name":"Million Years Ago - LVD Remix","registered_at":"2026-06-07T22:34:47Z","spotify_id":"0wUYEOqMA3smFeigP3JrSh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb70764be902d4e45f93d8a6926942a6c28a5b6ec9ea5d93ef2c1af44ce7a64. 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/0wUYEOqMA3smFeigP3JrSh.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/0wUYEOqMA3smFeigP3JrSh.
{"copyright_id":"0x3317c5f3755f4b9fe80ac288d6b63c7b5bd508b869f4d7ea1c542e3f6e8e5889","isrc":"ITAD81800014","name":"Bette Davis Eyes - Mw Deep Retouch","registered_at":"2026-06-04T13:52:19Z","spotify_id":"2VZBUio3SB4XWjcBR8HpX2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3317c5f3755f4b9fe80ac288d6b63c7b5bd508b869f4d7ea1c542e3f6e8e5889. 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/2VZBUio3SB4XWjcBR8HpX2.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/2VZBUio3SB4XWjcBR8HpX2.
House Relax, Vol. 7 (World No China) [Deep and Chill Mix]
{"copyright_id":"0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4","isrc":"ITAD81800147","name":"Through the Barricades - Highpass Remix","registered_at":"2026-06-05T05:49:14Z","spotify_id":"2ssOegWJZYkVaZc2I3GGxM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x301fc4d47f0e5c630ed68103455952d56bc11c408b988face3aa5f58156bc7a4. 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/2ssOegWJZYkVaZc2I3GGxM.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/2ssOegWJZYkVaZc2I3GGxM.
House Addicted (The Best of House and Nu Disco)
{"copyright_id":"0x05ee307386d5751eaf66b0800a6dabc4ee4da6f2ac2000b92d740336c4b5e905","isrc":"ITAD81600036","name":"Walking in the Rain - Deeper Mix","registered_at":"2026-06-08T14:58:51Z","spotify_id":"3x6GZvPya9Wir5SFKgdfi1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ee307386d5751eaf66b0800a6dabc4ee4da6f2ac2000b92d740336c4b5e905. 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/3x6GZvPya9Wir5SFKgdfi1.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/3x6GZvPya9Wir5SFKgdfi1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc7a8c6d7f20a08b24b03f88303f32d4f9a26e7d44405a25d09cdfc72f16a78. 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/1IVVJ9PX1mE7lwuF569Hp1.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/1IVVJ9PX1mE7lwuF569Hp1.
House Relax, Vol. 8 (Deep and Chill Selection)
{"copyright_id":"0x801315834b78aaf206ca85bd637eec6ec61ab3d51bc842bc2d8b763f87f0e870","isrc":"ITAD82000104","name":"Don't Let Me Go - Highpass Touch Mix","registered_at":"2026-06-20T10:43:40Z","spotify_id":"1cHcJiR2L4Vh4VTyVv5YPe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801315834b78aaf206ca85bd637eec6ec61ab3d51bc842bc2d8b763f87f0e870. 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/1cHcJiR2L4Vh4VTyVv5YPe.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/1cHcJiR2L4Vh4VTyVv5YPe.
Feeling Deep, Vol. 3 (Best of Vocal Deep House - Chillout Set)
Through the Barricades - Highpass Club Remix