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 0x782c95c4203380499fc291839a09b7dc93ac8ebcfcfdb7198eb0baf18d322c2a. 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/a1e6cd37-3b2f-40ed-b6da-bfc7305b046e.json and https://artists.proofprofile.net/proofs/artist/a1e6cd37-3b2f-40ed-b6da-bfc7305b046e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1ee31a101d1f53401aca2ae398ab5f336560dd6141c93180b9b9d88db3abf40c","isrc":"QZNN22334059","name":"TIM'S INTRO (CHOPNOTSLOP REMIX)","registered_at":"2026-06-06T02:53:59Z","spotify_id":"4TCQX3Uj0XJuVUzESjQGFo","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 0x1ee31a101d1f53401aca2ae398ab5f336560dd6141c93180b9b9d88db3abf40c. 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/4TCQX3Uj0XJuVUzESjQGFo.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/4TCQX3Uj0XJuVUzESjQGFo.
LAST ONE LEFT FEAT. MISSY ELLIOTT & LIL GRAY (CHOPNOTSLOP REMIX)
{"copyright_id":"0x42c5d91ca3e9a7ee1aa4022dba8904cd764994f8596bcb14ad585c4662e975ef","isrc":"QZNN22334060","name":"LAST ONE LEFT FEAT. MISSY ELLIOTT & LIL GRAY (CHOPNOTSLOP REMIX)","registered_at":"2026-06-05T16:10:39Z","spotify_id":"02v8j0xIv3ujm0bufsVHpC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c5d91ca3e9a7ee1aa4022dba8904cd764994f8596bcb14ad585c4662e975ef. 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/02v8j0xIv3ujm0bufsVHpC.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/02v8j0xIv3ujm0bufsVHpC.
{"copyright_id":"0xa1f8a003962a355e4ca341313763a4f1803091fd6d59307a895758baadbc68a2","isrc":"QZNN22334061","name":"FOREVER YOURS (CHOPNOTSLOP REMIX)","registered_at":"2026-06-06T08:27:34Z","spotify_id":"3yizpp9FsadasyM5qiCGST","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f8a003962a355e4ca341313763a4f1803091fd6d59307a895758baadbc68a2. 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/3yizpp9FsadasyM5qiCGST.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/3yizpp9FsadasyM5qiCGST.
UPSET FEAT. TOMMY RICHMAN & FELIX! (CHOPNOTSLOP REMIX)
{"copyright_id":"0xf4ed483056279114ed5356b069e128a857eadce4b5732d100d4bf6549df4ef88","isrc":"QZNN22334062","name":"UPSET FEAT. TOMMY RICHMAN & FELIX! (CHOPNOTSLOP REMIX)","registered_at":"2026-06-04T13:09:54Z","spotify_id":"52dxsVNOmwbiXzuLKh4FkQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ed483056279114ed5356b069e128a857eadce4b5732d100d4bf6549df4ef88. 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/52dxsVNOmwbiXzuLKh4FkQ.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/52dxsVNOmwbiXzuLKh4FkQ.
ON THIS SIDE FEAT. A$AP ANT & CRUDDY MURDA (CHOPNOTSLOP REMIX)
{"copyright_id":"0xc1b60a0de9a263e726acd9157e42a49d6f2a1be7fc921e703142db0d2ba01d9b","isrc":"QZNN22334063","name":"ON THIS SIDE FEAT. A$AP ANT & CRUDDY MURDA (CHOPNOTSLOP REMIX)","registered_at":"2026-06-05T08:07:22Z","spotify_id":"3C2XUZ0eBxGGj4mk81j8o6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b60a0de9a263e726acd9157e42a49d6f2a1be7fc921e703142db0d2ba01d9b. 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/3C2XUZ0eBxGGj4mk81j8o6.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/3C2XUZ0eBxGGj4mk81j8o6.
DAWGED EM SKIT FEAT. TTM DAWG (CHOPNOTSLOP REMIX)
{"copyright_id":"0xb8210319dfe6a343d068ff0aea4996fdf4a42ee12db9e6bc2a4a1f6c11d0f273","isrc":"QZNN22334064","name":"DAWGED EM SKIT FEAT. TTM DAWG (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T11:39:43Z","spotify_id":"6E8yUAgme7axhjhl11ENhH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8210319dfe6a343d068ff0aea4996fdf4a42ee12db9e6bc2a4a1f6c11d0f273. 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/6E8yUAgme7axhjhl11ENhH.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/6E8yUAgme7axhjhl11ENhH.
{"copyright_id":"0xa7b2ef4c238d73bad8d8caf80b05cf1c717fb28b50e0617b380dd3495fe729d7","isrc":"QZNN22334065","name":"PISTACHIOS (CHOPNOTSLOP REMIX)","registered_at":"2026-06-06T23:06:11Z","spotify_id":"5P0GH8OqTNJYXmq82UQT9U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7b2ef4c238d73bad8d8caf80b05cf1c717fb28b50e0617b380dd3495fe729d7. 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/5P0GH8OqTNJYXmq82UQT9U.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/5P0GH8OqTNJYXmq82UQT9U.
{"copyright_id":"0x5cb7e64ad617facf1dadc2fa800e54bb94b7683d3c0fe986376ae9d5a39118d3","isrc":"QZNN22334066","name":"WHEREVER I GO (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T12:36:45Z","spotify_id":"7yGMBHzhEBfvammvcyDtTX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb7e64ad617facf1dadc2fa800e54bb94b7683d3c0fe986376ae9d5a39118d3. 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/7yGMBHzhEBfvammvcyDtTX.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/7yGMBHzhEBfvammvcyDtTX.
OUTSIDE ALL NIGHT FEAT. A$AP ROCKY & N3WYRKLA (CHOPNOTSLOP REMIX)
{"copyright_id":"0x8552fd7827d229d95528450228d7ff2628fc5ae2a0c1e888613d3169da574ee4","isrc":"QZNN22334067","name":"OUTSIDE ALL NIGHT FEAT. A$AP ROCKY & N3WYRKLA (CHOPNOTSLOP REMIX)","registered_at":"2026-06-06T02:52:56Z","spotify_id":"2qsPTMp4eUEs4e1Hk1xzqG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8552fd7827d229d95528450228d7ff2628fc5ae2a0c1e888613d3169da574ee4. 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/2qsPTMp4eUEs4e1Hk1xzqG.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/2qsPTMp4eUEs4e1Hk1xzqG.
BIG MAD SKIT FEAT. FLEE & PRINCESS CRO (CHOPNOTSLOP REMIX)
{"copyright_id":"0x278bfdbf062acdc8a1d36a2cac141939e32b8a45317dae0b31a7654e59c38edd","isrc":"QZNN22334068","name":"BIG MAD SKIT FEAT. FLEE & PRINCESS CRO (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T19:02:40Z","spotify_id":"1Jx8ZMzE6m8G8IzWICzXUV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278bfdbf062acdc8a1d36a2cac141939e32b8a45317dae0b31a7654e59c38edd. 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/1Jx8ZMzE6m8G8IzWICzXUV.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/1Jx8ZMzE6m8G8IzWICzXUV.
MOMENT OF YOUR LIFE FEAT. COCO JONES (CHOPNOTSLOP REMIX)
{"copyright_id":"0x933db02344a29151ba326ea6389e0a960cb38a760373a71fbbbb5e41bdd23537","isrc":"QZNN22334069","name":"MOMENT OF YOUR LIFE FEAT. COCO JONES (CHOPNOTSLOP REMIX)","registered_at":"2026-06-06T23:09:36Z","spotify_id":"46un00nNHHlYH60G4YGQk0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x933db02344a29151ba326ea6389e0a960cb38a760373a71fbbbb5e41bdd23537. 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/46un00nNHHlYH60G4YGQk0.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/46un00nNHHlYH60G4YGQk0.
BELONG TO YOU FEAT. BABYFACE RAY (CHOPNOTSLOP REMIX)
{"copyright_id":"0xe8f5dc1f1779194b78466678525347647e31b8ef57d207e6c51bd3ee11d46bda","isrc":"QZNN22334070","name":"BELONG TO YOU FEAT. BABYFACE RAY (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T19:04:33Z","spotify_id":"21wbhVKsUX6yZ1G2Ev8RM1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f5dc1f1779194b78466678525347647e31b8ef57d207e6c51bd3ee11d46bda. 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/21wbhVKsUX6yZ1G2Ev8RM1.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/21wbhVKsUX6yZ1G2Ev8RM1.
{"copyright_id":"0xfbb025717f72b0311489c81c3b96a9cc7f65394ad534dd2885bc3fbc2abf260f","isrc":"QZNN22334071","name":"WY@ (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T12:36:01Z","spotify_id":"0jb1SUXtlayLHrGqndyfph","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb025717f72b0311489c81c3b96a9cc7f65394ad534dd2885bc3fbc2abf260f. 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/0jb1SUXtlayLHrGqndyfph.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/0jb1SUXtlayLHrGqndyfph.
{"copyright_id":"0x52d936ad79d7426847a2d2bc15bfc2d9030d072bfec79e1c5e78b728fa6db8a4","isrc":"QZNN22334072","name":"BEST TIME (CHOPNOTSLOP REMIX)","registered_at":"2026-06-07T06:34:15Z","spotify_id":"2f00tEcsddabxjF0cUxZuC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d936ad79d7426847a2d2bc15bfc2d9030d072bfec79e1c5e78b728fa6db8a4. 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/2f00tEcsddabxjF0cUxZuC.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/2f00tEcsddabxjF0cUxZuC.
{"copyright_id":"0x6c03b6df053d64644725fcde729391934f74a44acece03831fe3f0e2b1d047c0","isrc":"QZNMZ2384416","name":"Paper Soldier (feat. Joony)","registered_at":"2026-06-01T04:48:42Z","spotify_id":"0ReoK9isNvJmI7nV2iJcNR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c03b6df053d64644725fcde729391934f74a44acece03831fe3f0e2b1d047c0. 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/0ReoK9isNvJmI7nV2iJcNR.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/0ReoK9isNvJmI7nV2iJcNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2637621b69aaaefb14649ba29797b412e5bce4630adf6007853f0cc3a8339776. 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/2ugWcaVTLefO1GwU9bHigt.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/2ugWcaVTLefO1GwU9bHigt.