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 0xe2e2558505e74f4e6d245e463e2588df49cd50aba9cbff1525228abecf51f0c8. 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/445200e9-c378-48f1-8570-4d189ef5d56a.json and https://artists.proofprofile.net/proofs/artist/445200e9-c378-48f1-8570-4d189ef5d56a.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 0x84b1b97262f524a2291f863ba68c9a4fd0a7737c116f8216804ede634c108ec2. 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/19Zc2DohB8aihlDOrONMUQ.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/19Zc2DohB8aihlDOrONMUQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860f88704e284d95f29985fcb56dd9be4255f573f374869f97ee2499f91b813b. 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/7sxNlZAJl7R0CHiOZrlih9.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/7sxNlZAJl7R0CHiOZrlih9.
1, 2 Step (feat. Missy Elliott) - Johnny Budz Mixshow Edit
1, 2 Step (feat. Missy Elliott) - Ford's E-Hop Club Mix
1, 2 Step (feat. Missy Elliott) - Don Candiani Reggaeton Mix
1, 2 Step (feat. Missy Elliott) - Don Candiani Reggaeton Mix - Edit
{"copyright_id":"0x0a51c64624f72db8d05e973b742c27318f6a16a75a30bac8dc2df64e2fffafa0","isrc":"USLF20500112","name":"1, 2 Step (feat. Missy Elliott) - Don Candiani Reggaeton Mix - Edit","registered_at":"2026-06-10T06:25:05Z","spotify_id":"0987Qvix0si3pA18QvQqHW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a51c64624f72db8d05e973b742c27318f6a16a75a30bac8dc2df64e2fffafa0. 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/0987Qvix0si3pA18QvQqHW.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/0987Qvix0si3pA18QvQqHW.
1, 2 Step (feat. Missy Elliott) - Don Candiani and Carmenantes Super Bounce Remix
1, 2 Step (feat. Missy Elliott) - Delinquent Remix
1, 2 Step (feat. Missy Elliott) - Eazy Remix
1, 2 Step (feat. Missy Elliott) - PhattBelly Club Remix
{"copyright_id":"0x5b05e02824eb9ff2b8d944114d6473e3f03a7a1b402fd77f789156ddc0df636a","isrc":"USLF22300003","name":"1, 2 Step - DJ HEARTSTRING Remix","registered_at":"2026-06-04T08:40:07Z","spotify_id":"6ULa4jFCuYdSyzlvnuWymV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b05e02824eb9ff2b8d944114d6473e3f03a7a1b402fd77f789156ddc0df636a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ULa4jFCuYdSyzlvnuWymV.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/6ULa4jFCuYdSyzlvnuWymV.
1, 2 Step - DJ HEARTSTRING Extended Remix
1, 2 Step (feat. Missy Elliott) - Instrumental
1, 2 Step (feat. Missy Elliott) - Acappella
LEFT RIGHT REMIXX - FEAT. CIARA & JACKSON WANG // PROD BY JAKOPS
LEFT RIGHT REMIXX (FEAT. CIARA & JACKSON WANG // PROD BY JAKOPS)
{"copyright_id":"0x30eea5434ab670fdd5f262cbdd52e241b6de187e54607dc3e0bde36d1cc24c58","isrc":"JPB602302265","name":"LEFT RIGHT REMIXX - FEAT. CIARA & JACKSON WANG // PROD BY JAKOPS","registered_at":"2026-06-04T08:39:29Z","spotify_id":"4Fd2BjzdKHzrc2uY7zmMar","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30eea5434ab670fdd5f262cbdd52e241b6de187e54607dc3e0bde36d1cc24c58. 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/4Fd2BjzdKHzrc2uY7zmMar.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/4Fd2BjzdKHzrc2uY7zmMar.
{"copyright_id":"0x3a6eb9d2dfe336f347a47d649ef8edb6ab63d393e0f370fff760ce05294abf48","isrc":"USUM70840861","name":"Takin' Back My Love","registered_at":"2026-06-04T06:55:55Z","spotify_id":"0aPhnPWgYWk9XGezDHCLF3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6eb9d2dfe336f347a47d649ef8edb6ab63d393e0f370fff760ce05294abf48. 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/0aPhnPWgYWk9XGezDHCLF3.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/0aPhnPWgYWk9XGezDHCLF3.
{"copyright_id":"0x2806ef16f044e1c1a56a13e92b1c4e29ff23514a4f1635c9ebd87743a6a67d22","isrc":"USUM72119628","name":"Ciara's Prayer","registered_at":"2026-06-05T04:18:10Z","spotify_id":"0ECyNhNVEEbHGWuhWVVXFF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2806ef16f044e1c1a56a13e92b1c4e29ff23514a4f1635c9ebd87743a6a67d22. 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/0ECyNhNVEEbHGWuhWVVXFF.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/0ECyNhNVEEbHGWuhWVVXFF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51e9908189e7450657d2117ab2ebeb9a43e0733d35a307d358f06bffda7aa106. 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/4GJanLClwCh0D0EROpsHyd.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/4GJanLClwCh0D0EROpsHyd.
The Color Purple (Music From And Inspired By)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6babeff1562cb05e78447a9020049248d56b90d4fb167a11df3e163d60630e. 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/27k4OVZrDg04gejUZrsJp5.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/27k4OVZrDg04gejUZrsJp5.
{"copyright_id":"0x08c6c9fb65c90c4eb5215b75896e4c1f64c7cd02049b6fa4e0c91af361117ea7","isrc":"USSM10500413","name":"Like You (feat. Ciara)","registered_at":"2026-06-01T07:21:20Z","spotify_id":"3Qvi6V7xHwTALoxTlx1Kat","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c6c9fb65c90c4eb5215b75896e4c1f64c7cd02049b6fa4e0c91af361117ea7. 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/3Qvi6V7xHwTALoxTlx1Kat.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/3Qvi6V7xHwTALoxTlx1Kat.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeff98a29ce1fe51669004f12373ff7e123f84727041769d032fcadf2d7ec736. 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/60vMYW3pMPwW5V6eTXNq2N.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/60vMYW3pMPwW5V6eTXNq2N.