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 0x62919c48fb8dbd1d8a8dadd6a6e3aa45a1e787d3f2657c6277f6d1314fce20e0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87561eb5-8f8d-459f-8a85-b5258abba429.json and https://artists.proofprofile.net/proofs/artist/87561eb5-8f8d-459f-8a85-b5258abba429.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 0x4246dc84793451e9e83a06452e912a18f86f39fec320240c1a4fb7a66454da86. 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/6gyG3NdJf7mvwgsGi7w0BZ.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/6gyG3NdJf7mvwgsGi7w0BZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ea43fa7e05695e8536c5e4a88f46e35382cbb97de7c410bda720a4d556dede. 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/3iD6ZfaXg085z0ze9MANUD.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/3iD6ZfaXg085z0ze9MANUD.
{"copyright_id":"0xa4067fb21eea9ed1b83840d8948641c8b926e441cb7859793fbdf7b24db48680","isrc":"TCADD1704921","name":"Don't Mess With Texas","registered_at":"2026-06-20T12:52:13Z","spotify_id":"2ctyGgtP8EMvbhlSuIeJsj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4067fb21eea9ed1b83840d8948641c8b926e441cb7859793fbdf7b24db48680. 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/2ctyGgtP8EMvbhlSuIeJsj.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/2ctyGgtP8EMvbhlSuIeJsj.
{"copyright_id":"0xe7f1aad250d9dddad513ba308e5db1cb371db3042f1cb360eac43e62953478fe","isrc":"TCADD1704923","name":"Love on this Beach","registered_at":"2026-06-24T22:30:45Z","spotify_id":"2oIkONq2TOXkrfYFSMYfR8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f1aad250d9dddad513ba308e5db1cb371db3042f1cb360eac43e62953478fe. 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/2oIkONq2TOXkrfYFSMYfR8.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/2oIkONq2TOXkrfYFSMYfR8.
{"copyright_id":"0xa740b7270b4d0e775d5b3d98c8f1fa141bbef8fc52e4aa62b14b91c568f21be0","isrc":"TCADD1704924","name":"Vibe with Me","registered_at":"2026-06-06T06:34:15Z","spotify_id":"453UHYDAzWV9alCScE0TAI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa740b7270b4d0e775d5b3d98c8f1fa141bbef8fc52e4aa62b14b91c568f21be0. 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/453UHYDAzWV9alCScE0TAI.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/453UHYDAzWV9alCScE0TAI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85874ed6b4324f994d36076c6a6fedc409b9da6030cd980c9e4db399c720129. 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/6ZSfDpg5T318jv9r7SnpU8.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/6ZSfDpg5T318jv9r7SnpU8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9688312171d7cec12417753ab7e4af968d3cee00e12a8e2ce7723e7327d0f1b9. 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/27zp1Idwmm8ut9ZHo9wx5y.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/27zp1Idwmm8ut9ZHo9wx5y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9b389806f51af3871c89bb96353211730525d818c627a49a7580beb63f980b. 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/4Lxk9jdVjZ8P2iljmbON3l.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/4Lxk9jdVjZ8P2iljmbON3l.
{"copyright_id":"0x79af8ba5737df7efe8a3ced28ee937f964665e2c6010c1dc4d665ef52126c941","isrc":"TCADD1704928","name":"Sunset Tonight - Remix","registered_at":"2026-06-05T23:50:53Z","spotify_id":"6hDe89ii3XP9X2SEgoSLvK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79af8ba5737df7efe8a3ced28ee937f964665e2c6010c1dc4d665ef52126c941. 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/6hDe89ii3XP9X2SEgoSLvK.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/6hDe89ii3XP9X2SEgoSLvK.
Vibe with Me - Live at Native 92.5fm Studios
Sunset Tonight - Thumpadelic Dub by Wiley
{"copyright_id":"0x1fae666361e2dd77b2b8b9790a0acd495a3b94df41e7e3a0ac4049d5bb720b2b","isrc":"TCAGQ2235977","name":"I Feel It Could","registered_at":"2026-06-07T23:03:44Z","spotify_id":"5bgT2tpBkZZ0inVsRA9F4A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fae666361e2dd77b2b8b9790a0acd495a3b94df41e7e3a0ac4049d5bb720b2b. 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/5bgT2tpBkZZ0inVsRA9F4A.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/5bgT2tpBkZZ0inVsRA9F4A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff7b809c43950b627f728a3c11a6ad0c32a6eff953b29d66c63fb3819359078. 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/17ynNzwzaK0MqGcZdgIgk4.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/17ynNzwzaK0MqGcZdgIgk4.
{"copyright_id":"0xc88fe2834ea3c822ff2d01f11d004d14290e135c8ff132e89963f181bfdcfc7b","isrc":"TCADZ1877565","name":"Island Feels","registered_at":"2026-06-07T10:10:29Z","spotify_id":"7DzvGGQVo7DDJBMs9C02cH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88fe2834ea3c822ff2d01f11d004d14290e135c8ff132e89963f181bfdcfc7b. 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/7DzvGGQVo7DDJBMs9C02cH.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/7DzvGGQVo7DDJBMs9C02cH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9b389806f51af3871c89bb96353211730525d818c627a49a7580beb63f980b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Wy6nwmCdFQ44AeEktyTJN.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/2Wy6nwmCdFQ44AeEktyTJN.
Your Love (Live in San Francisco, NYE 2016)
Your Love - Live in San Francisco, NYE 2016
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56d5be171aa4a80d0950cc4232b9a472d0256942a17cbce97b3065316fcd7b9. 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/27ZK9bInxx3H4AYlK7COSe.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/27ZK9bInxx3H4AYlK7COSe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5854f086966f49a7d0e8e7468a832d35ac3d818048a3c5784347c7a745f3c1ab. 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/2AnmnGvDo9XXm7uRr1eflL.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/2AnmnGvDo9XXm7uRr1eflL.
{"copyright_id":"0x268c5ec8d223977a97e2ab49b1a41e738d5138a1f8ed323f14ffdfd0ec6c87bd","isrc":"USUYG1027162","name":"Sunset Tonight","registered_at":"2026-06-04T05:24:22Z","spotify_id":"1QG0sV74TpHYjkuldnVUqy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x268c5ec8d223977a97e2ab49b1a41e738d5138a1f8ed323f14ffdfd0ec6c87bd. 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/1QG0sV74TpHYjkuldnVUqy.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/1QG0sV74TpHYjkuldnVUqy.