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 0x2b38851760e509989a6b97d397c58bc3db0cd7d3c79267f6cc6e552fc44ecdc7. 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/e5642f70-779a-4c3e-af62-77a4eccc1532.json and https://artists.proofprofile.net/proofs/artist/e5642f70-779a-4c3e-af62-77a4eccc1532.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 0xf6dbc6426164cfe4e0e9d7375d63334f34785d48ddbda19964dc98d9d26915be. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4s9QIjyMVP7EE9G2UkQhem.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/4s9QIjyMVP7EE9G2UkQhem.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93173d5f340b3c334cc0f2e06ac062619fee8d95020db2c8614553106a82615. 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/7I2mJjgok7a5YoUyVljocq.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/7I2mJjgok7a5YoUyVljocq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020bf42e7bdb5c073064afc5bebe6749022f398883c56604c450625e5ab89cf0. 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/7gkoyhBaG2Nd4PK8LLsC2v.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/7gkoyhBaG2Nd4PK8LLsC2v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc590b6c076f9600d2538d8401e35186d103b53b43574256fbd5e814d11680de. 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/4ZFepkahGrd2AOi4qj8Ok9.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/4ZFepkahGrd2AOi4qj8Ok9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd838a9057da518bb093f3b33c679710ad9f9d62c07a4a8a9d41dd9977a111202. 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/6rN3SqgnQhbhu1KppNHOHH.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/6rN3SqgnQhbhu1KppNHOHH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x113d641d79590eecc61d1f1730fc0303266f122a7cfee9a54744858c7f89ba1d. 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/4T7890W06dLlkXNXNnNQiF.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/4T7890W06dLlkXNXNnNQiF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67810b3a853673ce3970077c61267def7182184f21fdc908849756761a6f77c0. 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/3EAXtiDRdZrAR41eg7tbot.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/3EAXtiDRdZrAR41eg7tbot.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57734e477f1f83a00d7654c9c7acbabadaf930834243bf51d85bc6d296e119b4. 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/3wzV9u3ws7CaqOtORbcMCO.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/3wzV9u3ws7CaqOtORbcMCO.
{"copyright_id":"0xc00655e272329de60ca02db045e00e12d167fbabe2477d4ead800e5e1bad1ca9","isrc":"QZWFW2413628","name":"God's Love","registered_at":"2026-06-07T01:41:40Z","spotify_id":"03HMuoonQOlS6v1AKkfPYZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc00655e272329de60ca02db045e00e12d167fbabe2477d4ead800e5e1bad1ca9. 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/03HMuoonQOlS6v1AKkfPYZ.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/03HMuoonQOlS6v1AKkfPYZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81842a32a2894968632951b56bf9b80429272cb18b3c400e242cabc6dbe28b3c. 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/1fPY0u5w5HOskRGf2q3SKe.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/1fPY0u5w5HOskRGf2q3SKe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631dbe342db963cc537bd9f04bd816800a3b4eac181e3826145d46a9fb1a5cc0. 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/6ban7DCWIiNggv68gp5PJl.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/6ban7DCWIiNggv68gp5PJl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f149788c7d7e4491de1909b0520703ad7a8aab6dff90d942627b7b03c405850. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13w6Nov5AQ38mjFahnb2ER.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/13w6Nov5AQ38mjFahnb2ER.
{"copyright_id":"0x631dbe342db963cc537bd9f04bd816800a3b4eac181e3826145d46a9fb1a5cc0","isrc":"NLQ8D2400372","name":"Not Available","registered_at":"2026-06-08T17:54:16Z","spotify_id":"3VSzBBjjBSZma3zwhp86Bf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631dbe342db963cc537bd9f04bd816800a3b4eac181e3826145d46a9fb1a5cc0. 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/3VSzBBjjBSZma3zwhp86Bf.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/3VSzBBjjBSZma3zwhp86Bf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f149788c7d7e4491de1909b0520703ad7a8aab6dff90d942627b7b03c405850. 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/79A7sWVi1JRWmQUbqqt7GX.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/79A7sWVi1JRWmQUbqqt7GX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1f5578c78e2061edb0312ba5541c5eddf30f4a2860d8c016ac8b7be610797b. 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/35fLdRtkKQiUaw5P873ep2.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/35fLdRtkKQiUaw5P873ep2.
{"copyright_id":"0xeee01433d88b6c830f42e78fe671024f767c59ca2ab86caabf986d1f5d73ddf5","isrc":"NLQ8D2300700","name":"Rhythm of the Universe","registered_at":"2026-06-09T18:21:51Z","spotify_id":"5eNsBe1FnbDfRPuqPDTs8o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee01433d88b6c830f42e78fe671024f767c59ca2ab86caabf986d1f5d73ddf5. 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/5eNsBe1FnbDfRPuqPDTs8o.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/5eNsBe1FnbDfRPuqPDTs8o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877b0de43d2944037e6fc91d4f7f21eaccd03d14c41604a89f47a2125b3fe481. 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/5kVn9RlGJksGTfOmwcTy11.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/5kVn9RlGJksGTfOmwcTy11.
Cruise Control - AndyG & Alex M Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b4a07f4631e5de5f61e9ff3e88dd184d7b5871feb15dff41cfdc442679f08c. 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/1eMrSq7C1GFZC6WYUU6h2B.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/1eMrSq7C1GFZC6WYUU6h2B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878a9aa0a010fe986de8df47894601ab546947e5d6c29ec04336275eacba2826. 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/2bZSA0OE0SWOyBRTRDZBnh.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/2bZSA0OE0SWOyBRTRDZBnh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632b8dbbe13de159a596faedc7f3afb36c1f38a0f73c8c79f23f85420e605908. 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/5WtjX5u5RgEgew9Cp60NmQ.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/5WtjX5u5RgEgew9Cp60NmQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d350f44cd0994b91ca83844932472bcb7df23ac0f72443dca45f2cc0346a6e9. 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/4TeE7KBNJkwWfCayWvaGVj.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/4TeE7KBNJkwWfCayWvaGVj.
{"copyright_id":"0xa89617129afbda9bb1458cb4eebd395acb573f76277cac9ff4d177df643ba414","isrc":"GBKQU2159902","name":"Return to Rave","registered_at":"2026-06-20T08:34:15Z","spotify_id":"0dHUlFclEzLXbbMtPpxoQk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa89617129afbda9bb1458cb4eebd395acb573f76277cac9ff4d177df643ba414. 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/0dHUlFclEzLXbbMtPpxoQk.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/0dHUlFclEzLXbbMtPpxoQk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fe54b6f0b76f2b22b15f37abbade70c8c587488f4d34242975e46e10206fc5. 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/7lWvJ0J60tyFZwKJU3vtET.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/7lWvJ0J60tyFZwKJU3vtET.
The Way, The Truth, The Life (Seven Glow Mashup)
{"copyright_id":"0xfedd8516bb02db395e7955a3ee5697e4e9d58528bddeeffac8a1f1fa887cbf24","isrc":"GBKQU2585770","name":"The Spark","registered_at":"2026-06-25T07:02:34Z","spotify_id":"4yvP59cxTCQIaRWvJHyXNX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfedd8516bb02db395e7955a3ee5697e4e9d58528bddeeffac8a1f1fa887cbf24. 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/4yvP59cxTCQIaRWvJHyXNX.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/4yvP59cxTCQIaRWvJHyXNX.
{"copyright_id":"0x2c8bc326c6bd2cea3e95c0365c66b805fde3b6554502919af420c696d49e059b","isrc":"QZTLA2532348","name":"Cartelera - AndyG Remix","registered_at":"2026-06-08T17:31:34Z","spotify_id":"6BxCL2lWJwBvefikeMs3LL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c8bc326c6bd2cea3e95c0365c66b805fde3b6554502919af420c696d49e059b. 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/6BxCL2lWJwBvefikeMs3LL.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/6BxCL2lWJwBvefikeMs3LL.
Nothing But... Big Room Selections, Vol. 14