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 0x07c3467469bcc0688c2998905ef7981e14d64e0814ee2e21f0e17b14a1106bad. 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/61913e5c-1fbf-4279-9bd0-2780c1930cc9.json and https://artists.proofprofile.net/proofs/artist/61913e5c-1fbf-4279-9bd0-2780c1930cc9.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 0xb7926c97a0564229a77f86cc4c453857c450bcd70612405ef602c5c6a6ab0732. 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/5tkVC8EcUXEZNwmD45e7tq.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/5tkVC8EcUXEZNwmD45e7tq.
{"copyright_id":"0x90eebf6814a44d0075feb969965b974ae4e301d632cd1b7ecec577a548b7a606","isrc":"USAR18700139","name":"Tell It to My Heart","registered_at":"2026-06-05T08:06:50Z","spotify_id":"39yXycOGCBqgbQNfMPd5fy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90eebf6814a44d0075feb969965b974ae4e301d632cd1b7ecec577a548b7a606. 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/39yXycOGCBqgbQNfMPd5fy.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/39yXycOGCBqgbQNfMPd5fy.
{"copyright_id":"0xac74edde1b4b143193912784b55aff249cc5c912a8287453a755b78d614fefe9","isrc":"USAR10400895","name":"Tell It to My Heart - Single Mix","registered_at":"2026-06-22T22:39:47Z","spotify_id":"4NU54GRzm3lydyOkrv2dIY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac74edde1b4b143193912784b55aff249cc5c912a8287453a755b78d614fefe9. 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/4NU54GRzm3lydyOkrv2dIY.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/4NU54GRzm3lydyOkrv2dIY.
{"copyright_id":"0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c","isrc":"USAR18700129","name":"Tell It to My Heart - Club Mix","registered_at":"2026-06-10T01:56:40Z","spotify_id":"4So0Z7WUhrGenmxPn6Dxme","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c. 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/4So0Z7WUhrGenmxPn6Dxme.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/4So0Z7WUhrGenmxPn6Dxme.
{"copyright_id":"0x49a5c1e82a0dcb856c491eeeb5f92a80255b675aa886be04b8eb727d489863b3","isrc":"USAR10000962","name":"I'll Always Love You","registered_at":"2026-06-19T05:03:08Z","spotify_id":"7HZ86Obhq15mcdZxcQJWHu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a5c1e82a0dcb856c491eeeb5f92a80255b675aa886be04b8eb727d489863b3. 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/7HZ86Obhq15mcdZxcQJWHu.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/7HZ86Obhq15mcdZxcQJWHu.
{"copyright_id":"0x6514852c2e3c0b6ead7d376c0086e37347a33fd8bcb50a8c283e03bcef54dfa5","isrc":"USAR18900003","name":"Love Will Lead You Back","registered_at":"2026-06-17T21:48:40Z","spotify_id":"71gUpHgjoBhkAakucVqQhd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6514852c2e3c0b6ead7d376c0086e37347a33fd8bcb50a8c283e03bcef54dfa5. 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/71gUpHgjoBhkAakucVqQhd.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/71gUpHgjoBhkAakucVqQhd.
{"copyright_id":"0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c","isrc":"USAR18700129","name":"Tell It to My Heart - Club Mix","registered_at":"2026-06-10T01:56:40Z","spotify_id":"2OawMqdC39e8y6HgPm3hQy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c. 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/2OawMqdC39e8y6HgPm3hQy.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/2OawMqdC39e8y6HgPm3hQy.
{"copyright_id":"0x90eebf6814a44d0075feb969965b974ae4e301d632cd1b7ecec577a548b7a606","isrc":"USAR18700139","name":"Tell It to My Heart","registered_at":"2026-06-05T08:06:50Z","spotify_id":"2jGyoiSPmePVXZpbkvF9y4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90eebf6814a44d0075feb969965b974ae4e301d632cd1b7ecec577a548b7a606. 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/2jGyoiSPmePVXZpbkvF9y4.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/2jGyoiSPmePVXZpbkvF9y4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b6e6960473c163b51a84977ae5b71044d9651281971b9a30f8a3c30c49d3be9. 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/4WsUMrIEHYEs0FrRUcLr3b.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/4WsUMrIEHYEs0FrRUcLr3b.
{"copyright_id":"0xe65356bf4b3d95bbee3cd33d9742a60ea10f8824ec48090b451f4a256d237e8e","isrc":"USAR19300010","name":"Can't Get Enough of Your Love","registered_at":"2026-06-04T14:57:49Z","spotify_id":"6Jur9fsn4GSkg7nDqzbu6F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65356bf4b3d95bbee3cd33d9742a60ea10f8824ec48090b451f4a256d237e8e. 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/6Jur9fsn4GSkg7nDqzbu6F.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/6Jur9fsn4GSkg7nDqzbu6F.
{"copyright_id":"0xc240c822b10de0736df7f4cda973d86c041b70e3a866cea421bb39ddcf8435f4","isrc":"QMRSZ2400436","name":"Old School Love (feat. Taylor Dayne)","registered_at":"2026-06-08T09:15:15Z","spotify_id":"6nJmdUYgYoMSpw9igvK0C6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc240c822b10de0736df7f4cda973d86c041b70e3a866cea421bb39ddcf8435f4. 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/6nJmdUYgYoMSpw9igvK0C6.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/6nJmdUYgYoMSpw9igvK0C6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x912730144cc41392793766c1836c8fecb45f9968a3112245f467a565b48c545c. 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/0trY8xjqkbnyB0kOBeFFhS.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/0trY8xjqkbnyB0kOBeFFhS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51290361c5e02979790c60a95869e7027e122bbc50525b190fde6f7267a73ccd. 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/3Ic4j4KXH8lLGgJr0siZ7a.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/3Ic4j4KXH8lLGgJr0siZ7a.
I'm Coming Home to You (Claes Rosen Remix)
Greatest Hits, Vol. One: The Songs of Scott Alan
{"copyright_id":"0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c","isrc":"USAR18700129","name":"Tell It to My Heart - Club Mix","registered_at":"2026-06-10T01:56:40Z","spotify_id":"1icOeBLD3auBKxuVCm6LFp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7888a363e79a841fe8be73baf026bd2ce59c2a782be8cc28f713f99c9e300c. 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/1icOeBLD3auBKxuVCm6LFp.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/1icOeBLD3auBKxuVCm6LFp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572d0e3c0a4da0064a8064339f5097c78bea578bb5b73c1740f332358a6a3f65. 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/2zOL215zDcjpMStrnFkDRT.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/2zOL215zDcjpMStrnFkDRT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd750ae2d33157431c7702c541c75dfdc7233f5764367f4adad7970c2177832d0. 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/2FJwRi6hPtMpfurqWT293G.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/2FJwRi6hPtMpfurqWT293G.
{"copyright_id":"0xe65356bf4b3d95bbee3cd33d9742a60ea10f8824ec48090b451f4a256d237e8e","isrc":"USAR19300010","name":"Can't Get Enough of Your Love","registered_at":"2026-06-04T14:57:49Z","spotify_id":"39owLj3gqY7XN41PC1WO6Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65356bf4b3d95bbee3cd33d9742a60ea10f8824ec48090b451f4a256d237e8e. 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/39owLj3gqY7XN41PC1WO6Q.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/39owLj3gqY7XN41PC1WO6Q.