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 0xee290e6ecaae23b7d7f01feb7ec799e63636373ae26a7cbc1bc9c9d02695423c. 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/72cf3ee9-69f4-431c-804f-15cf78e02184.json and https://artists.proofprofile.net/proofs/artist/72cf3ee9-69f4-431c-804f-15cf78e02184.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Classical Voice: A Celebration of the Classical Voice
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 0x4de1e87fce0ff4400c02a9a51d48a805ebd63aa83864f6c384a94931515d7502. 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/6UFNlMvBUUJ1Q5JRCKBZgN.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/6UFNlMvBUUJ1Q5JRCKBZgN.
Prelude And Fugue In C Sharp (WTK, Book, No. 3), BWV 848 - Arr. Dominic Miller, Nick Patrick: Prelude No. 3 for clavier
{"copyright_id":"0xc2c1269191762c430697aa4ddab5408bdcbc37d9c879237831134457f4b46d4b","isrc":"GBCAD0402311","name":"Prelude And Fugue In C Sharp (WTK, Book, No. 3), BWV 848 - Arr. Dominic Miller, Nick Patrick: Prelude No. 3 for clavier","registered_at":"2026-06-09T06:33:37Z","spotify_id":"2m4dki9rGisl6Me3zcyBsV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c1269191762c430697aa4ddab5408bdcbc37d9c879237831134457f4b46d4b. 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/2m4dki9rGisl6Me3zcyBsV.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/2m4dki9rGisl6Me3zcyBsV.
Where My Heart Will Take Me (Theme From "Enterprise")
{"copyright_id":"0xbeac725280efcb126f9cb1ab5cc1813aa19df9d46134e44861636ed18cee2d8c","isrc":"GBBBB2011316","name":"Where My Heart Will Take Me (Theme From \"Enterprise\")","registered_at":"2026-06-05T16:09:30Z","spotify_id":"1dCkqSgRxiGvXAc8orKSl6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeac725280efcb126f9cb1ab5cc1813aa19df9d46134e44861636ed18cee2d8c. 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/1dCkqSgRxiGvXAc8orKSl6.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/1dCkqSgRxiGvXAc8orKSl6.
Sounds Of The Silver Screen: Classical Music At The Movies
{"copyright_id":"0x4de1e87fce0ff4400c02a9a51d48a805ebd63aa83864f6c384a94931515d7502","isrc":"GBEKZ0400460","name":"Vide cor meum - (From \"Hannibal\")","registered_at":"2026-06-05T05:22:02Z","spotify_id":"4LuceCPIGQb1ZwAX6NeoQP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de1e87fce0ff4400c02a9a51d48a805ebd63aa83864f6c384a94931515d7502. 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/4LuceCPIGQb1ZwAX6NeoQP.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/4LuceCPIGQb1ZwAX6NeoQP.
{"copyright_id":"0xbeac725280efcb126f9cb1ab5cc1813aa19df9d46134e44861636ed18cee2d8c","isrc":"GBBBB2011316","name":"Where My Heart Will Take Me (Theme From \"Enterprise\")","registered_at":"2026-06-05T16:09:30Z","spotify_id":"0dgj8IQCy2cw0mc9DKV0Mb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeac725280efcb126f9cb1ab5cc1813aa19df9d46134e44861636ed18cee2d8c. 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/0dgj8IQCy2cw0mc9DKV0Mb.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/0dgj8IQCy2cw0mc9DKV0Mb.
Wild/Royal Philharmonic Orchestra/James Banbury
{"copyright_id":"0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89","isrc":"GBEKZ0400326","name":"Time To Say Goodbye","registered_at":"2026-06-20T22:13:27Z","spotify_id":"4GsTck2iIZRSWjpYxjBUNR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4GsTck2iIZRSWjpYxjBUNR.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/4GsTck2iIZRSWjpYxjBUNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de1e87fce0ff4400c02a9a51d48a805ebd63aa83864f6c384a94931515d7502. 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/0ldFzaVx0naMp48DykyUgB.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/0ldFzaVx0naMp48DykyUgB.
{"copyright_id":"0x887864bed922caea19efbdf22025edf7540b33dd2f6edda13f41d797925a36c2","isrc":"GBEKZ0400334","name":"Hymn To The Fallen","registered_at":"2026-06-08T09:57:02Z","spotify_id":"2fZoJBumjcfZxW9WX4rarL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887864bed922caea19efbdf22025edf7540b33dd2f6edda13f41d797925a36c2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2fZoJBumjcfZxW9WX4rarL.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/2fZoJBumjcfZxW9WX4rarL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de1e87fce0ff4400c02a9a51d48a805ebd63aa83864f6c384a94931515d7502. 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/5yCVMi3mETqWOGSC0ux8xf.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/5yCVMi3mETqWOGSC0ux8xf.
{"copyright_id":"0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89","isrc":"GBEKZ0400326","name":"Time To Say Goodbye","registered_at":"2026-06-20T22:13:27Z","spotify_id":"1XvNrkPuSlIP3DwjmYd8wV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89. 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/1XvNrkPuSlIP3DwjmYd8wV.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/1XvNrkPuSlIP3DwjmYd8wV.
{"copyright_id":"0x6a37ef290f83eba019674f2102d7a68042ffa1bcb925dbd15bd799c9458754f1","isrc":"GBUM70700532","name":"Time To Say Goodbye - New Vocal","registered_at":"2026-06-05T16:46:32Z","spotify_id":"6B7sNOxFylFXdNWW1njt1d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a37ef290f83eba019674f2102d7a68042ffa1bcb925dbd15bd799c9458754f1. 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/6B7sNOxFylFXdNWW1njt1d.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/6B7sNOxFylFXdNWW1njt1d.
Katherine Jenkins: The Ultimate Collection / Standard Edition
{"copyright_id":"0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89","isrc":"GBEKZ0400326","name":"Time To Say Goodbye","registered_at":"2026-06-20T22:13:27Z","spotify_id":"1APWBRZJhKY7XEzmvmTpvp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc330f38dad371b2a68037b14413e5bab4c0186efe73a367c1609a302826c1f89. 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/1APWBRZJhKY7XEzmvmTpvp.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/1APWBRZJhKY7XEzmvmTpvp.
{"copyright_id":"0x887864bed922caea19efbdf22025edf7540b33dd2f6edda13f41d797925a36c2","isrc":"GBEKZ0400334","name":"Hymn To The Fallen","registered_at":"2026-06-08T09:57:02Z","spotify_id":"4uW53u4UDkpYQcjwohlypj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887864bed922caea19efbdf22025edf7540b33dd2f6edda13f41d797925a36c2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uW53u4UDkpYQcjwohlypj.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/4uW53u4UDkpYQcjwohlypj.