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 0xe9e6f871551d951ba89d5fc60c9ca70960817513898e108d3f0b9dc61b3f22e7. 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/7002b179-5b70-4789-91db-8ccc3f13b00d.json and https://artists.proofprofile.net/proofs/artist/7002b179-5b70-4789-91db-8ccc3f13b00d.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 0xd14ad839581714c6d4fe889ccbf90170f1b404a9b52724f5c9ec32b6907227d2. 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/5qpEtUsEI1VkG63MNlRrAC.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/5qpEtUsEI1VkG63MNlRrAC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005cb3579e5d16020750d0d153559123c2bf005485b2c129b45afba0f4943881. 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/42gwqd35893WOKpyNLRcCL.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/42gwqd35893WOKpyNLRcCL.
{"copyright_id":"0x73ee4bb7ed3cb898713c3ee791a1957d522c49df57d5d16d3fbbf72d563caef9","isrc":"SEBGA2000415","name":"Say You Will","registered_at":"2026-06-04T13:15:56Z","spotify_id":"5vDjcNbN4m9fxWcrpR64Wu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ee4bb7ed3cb898713c3ee791a1957d522c49df57d5d16d3fbbf72d563caef9. 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/5vDjcNbN4m9fxWcrpR64Wu.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/5vDjcNbN4m9fxWcrpR64Wu.
{"copyright_id":"0xd23a854dd6b6a1023a33438e0063803ed9a50de089dbcd4388a8f22b9e6f06eb","isrc":"USQX92100968","name":"Come Back Home (GATTÜSO Remix)","registered_at":"2026-06-07T06:50:48Z","spotify_id":"79cp7ZFMnb3NQwATF4ZvCp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23a854dd6b6a1023a33438e0063803ed9a50de089dbcd4388a8f22b9e6f06eb. 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/79cp7ZFMnb3NQwATF4ZvCp.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/79cp7ZFMnb3NQwATF4ZvCp.
Keep It Simple (feat. Wilder Woods) - Rayet Remix
Keep It Simple (feat. Wilder Woods) [Rayet Remix]
{"copyright_id":"0x0d9dc41e332e7b35e47cd6582e814eeadc957108495577753e4afffab38e2de2","isrc":"USAT22001132","name":"Keep It Simple (feat. Wilder Woods) - Rayet Remix","registered_at":"2026-06-20T04:00:58Z","spotify_id":"3zg42v3xcr2QvOW7wdUqBg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9dc41e332e7b35e47cd6582e814eeadc957108495577753e4afffab38e2de2. 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/3zg42v3xcr2QvOW7wdUqBg.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/3zg42v3xcr2QvOW7wdUqBg.
Keep It Simple (feat. Wilder Woods) - Acoustic
Keep It Simple (feat. Wilder Woods) [Acoustic]
{"copyright_id":"0x1150bbb3f5b824f6462f06c4f675daa957d3fe0418e6010fad353de73966c069","isrc":"USAT21907640","name":"Keep It Simple (feat. Wilder Woods) - Acoustic","registered_at":"2026-06-08T19:06:06Z","spotify_id":"4utWb5IGy6JGSOYd1Ie7Lv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1150bbb3f5b824f6462f06c4f675daa957d3fe0418e6010fad353de73966c069. 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/4utWb5IGy6JGSOYd1Ie7Lv.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/4utWb5IGy6JGSOYd1Ie7Lv.
{"copyright_id":"0xda3cad5a75c6860b7aacd3af27d62c2ffacc32b13859a84ba8fab1e8f095a234","isrc":"USUM72006044","name":"Best I Can (With Seeb) - Petey Remix","registered_at":"2026-06-10T16:16:39Z","spotify_id":"1ti46UopDrJPwxNl5AMmVB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda3cad5a75c6860b7aacd3af27d62c2ffacc32b13859a84ba8fab1e8f095a234. 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/1ti46UopDrJPwxNl5AMmVB.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/1ti46UopDrJPwxNl5AMmVB.
{"copyright_id":"0xd5c8e1a2de5bfd60d3d27da5f29ba4dd1d9bc7af0cda96906b890dd54a8bf7ae","isrc":"QZES52413722","name":"Cold, Cold Summer","registered_at":"2026-06-18T14:19:50Z","spotify_id":"6rDTqLQu1raRcdjv2x8Lhz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c8e1a2de5bfd60d3d27da5f29ba4dd1d9bc7af0cda96906b890dd54a8bf7ae. 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/6rDTqLQu1raRcdjv2x8Lhz.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/6rDTqLQu1raRcdjv2x8Lhz.
{"copyright_id":"0x3bc817892798178414ebfdc65f99502dedba01480beb50720cfeb01dff2eea5c","isrc":"USQX92304898","name":"Someone's Gonna Love Ya","registered_at":"2026-06-07T06:52:29Z","spotify_id":"55035XjXsvjMUWCcHSEVJH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bc817892798178414ebfdc65f99502dedba01480beb50720cfeb01dff2eea5c. 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/55035XjXsvjMUWCcHSEVJH.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/55035XjXsvjMUWCcHSEVJH.
{"copyright_id":"0x774a3f5a1e0ac59e5110ed1e0cde9fb6626aad002e96db4f7f62d50d9e76b7bd","isrc":"USAT22001382","name":"Go Easy - Petey Remix","registered_at":"2026-06-20T02:20:06Z","spotify_id":"7voBcHzekv2FOmM5CXRk8P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774a3f5a1e0ac59e5110ed1e0cde9fb6626aad002e96db4f7f62d50d9e76b7bd. 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/7voBcHzekv2FOmM5CXRk8P.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/7voBcHzekv2FOmM5CXRk8P.
{"copyright_id":"0x774a3f5a1e0ac59e5110ed1e0cde9fb6626aad002e96db4f7f62d50d9e76b7bd","isrc":"USAT22001382","name":"Go Easy - Petey Remix","registered_at":"2026-06-20T02:20:06Z","spotify_id":"6Jl3auUXWIBbQgYlCFP2rw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774a3f5a1e0ac59e5110ed1e0cde9fb6626aad002e96db4f7f62d50d9e76b7bd. 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/6Jl3auUXWIBbQgYlCFP2rw.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/6Jl3auUXWIBbQgYlCFP2rw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005cb3579e5d16020750d0d153559123c2bf005485b2c129b45afba0f4943881. 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/6nm92mRf8xW6uVijMFghep.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/6nm92mRf8xW6uVijMFghep.
{"copyright_id":"0x2e7fdaabca2884017b8f64674cd42bb42be7d3e2dd4ebddefcc116faab586fea","isrc":"USQX92103575","name":"Swear On Love","registered_at":"2026-06-08T19:09:17Z","spotify_id":"4U7Tg4x7h6tWsfVoKIVPRz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e7fdaabca2884017b8f64674cd42bb42be7d3e2dd4ebddefcc116faab586fea. 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/4U7Tg4x7h6tWsfVoKIVPRz.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/4U7Tg4x7h6tWsfVoKIVPRz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b21612a1fbb6bf1d38273693944b4e80a6132e466b824b7586ebf17775c704. 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/2tCHFTZ8a289IC4FFOyrVa.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/2tCHFTZ8a289IC4FFOyrVa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd78f9382074fe9f255eeb1109a58dbfef8bd9162d216509d3df95a2f5422a32. 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/04d5ncnbkON1O6Q6nH018y.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/04d5ncnbkON1O6Q6nH018y.