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 0x6658a8ef3933a58649d0aede5c16546d3a8c161e6942e21bc378cdedd247b786. 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/c5d82c7d-2682-46dd-a8f4-7ea5b0880245.json and https://artists.proofprofile.net/proofs/artist/c5d82c7d-2682-46dd-a8f4-7ea5b0880245.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 0x3658bf7105a6b942e9824d20971fc16319f5b6b0411a18d1f8094f0d3fbae5d5. 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/5Ub9ALMk6ymh0Ce55dAWnU.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/5Ub9ALMk6ymh0Ce55dAWnU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148781435d4087da69c5536705a09969a224de24f684d1ab25dd6f175ed20718. 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/4mqO4TXF4qKGL61ZCX1PHD.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/4mqO4TXF4qKGL61ZCX1PHD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01df7c270139507e93c779a1f54b92893212a719f2bf7a05c6e424a9b7e2ff51. 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/0yAcmKt3jv4p5lUh4sTQoJ.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/0yAcmKt3jv4p5lUh4sTQoJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca9b58735f44708afe50a94e0d0e1c13b46d4a0151474e45da3830f1b57d299. 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/05Nx9afBCY2TsQ6l7aFNeV.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/05Nx9afBCY2TsQ6l7aFNeV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922412f3b0e6154549dffcc6af483d3ba6520d8a9a37dbc66fa70f905b1a56f6. 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/0htXYyN03UGRNuK2jVsiie.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/0htXYyN03UGRNuK2jVsiie.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a35a1dcb6416b1294047e0ce65c00797e69631f6ddaa6ae0828478f2554be6. 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/7BvDQpOjlUbtaJsTqMWR4n.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/7BvDQpOjlUbtaJsTqMWR4n.
{"copyright_id":"0x9ed9c916592eccd2e9e5776c09790e68480e15c3c1c3c3b1e6841b12f0eeeb0c","isrc":"USUM71504917","name":"Do You Remember","registered_at":"2026-06-04T16:07:33Z","spotify_id":"2wUHNbmefZ4wmca4pa11Bl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed9c916592eccd2e9e5776c09790e68480e15c3c1c3c3b1e6841b12f0eeeb0c. 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/2wUHNbmefZ4wmca4pa11Bl.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/2wUHNbmefZ4wmca4pa11Bl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02851c54ab2c3e633bf72e0660faec8561fc6409be3df467b0c4257a8ad0d4ee. 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/12Mi21AT3JnaK7hb9hLR7s.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/12Mi21AT3JnaK7hb9hLR7s.
This Time (Serious Symptoms, Simple Solutions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd438687b7834f5a6858457d8e1c52628680810697c8188af70921c583952f4a4. 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/3xTgPFisCRAAGyikvtXDBN.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/3xTgPFisCRAAGyikvtXDBN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3658bf7105a6b942e9824d20971fc16319f5b6b0411a18d1f8094f0d3fbae5d5. 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/13oU00AS7mpo8Ap2ooHmYb.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/13oU00AS7mpo8Ap2ooHmYb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca9b58735f44708afe50a94e0d0e1c13b46d4a0151474e45da3830f1b57d299. 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/0jMh4k3JgoNpws5HwL4Nrz.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/0jMh4k3JgoNpws5HwL4Nrz.
{"copyright_id":"0x7cebe5adf4cf7a9c61b2ca2a348007a5631a85aadf5e40ca42a7ea68802d283b","isrc":"USUM71701287","name":"Do You Remember - Grey Remix","registered_at":"2026-06-18T04:06:07Z","spotify_id":"0nWREoUe1fabvSstHegjuk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cebe5adf4cf7a9c61b2ca2a348007a5631a85aadf5e40ca42a7ea68802d283b. 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/0nWREoUe1fabvSstHegjuk.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/0nWREoUe1fabvSstHegjuk.
1000x (Spectrasoul Remix And Noah Breakfast Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f889b0614916171382b4f8fa91e470a33631fdd6233bf2dcda22b562bc78fc. 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/3p5FxdboQBMFF9Q8gf5IT2.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/3p5FxdboQBMFF9Q8gf5IT2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6009b6d6ce32646ce091cfd88958bc531e4889f2845df2005695f40c011a4133. 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/7qFOLmPaMNV4glHFTLlLL0.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/7qFOLmPaMNV4glHFTLlLL0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7f89a67269f7120e2f5e9dccad846c89a513cde9fc6ddf473ae80392cd6774. 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/1VeFOtoj2FYBBb4PZQ1pTj.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/1VeFOtoj2FYBBb4PZQ1pTj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808f0344f29586b525963d687920c6865e02e50bf678f0d310a18b310bd2f491. 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/6mce32j0nQfTln1eCxxsk1.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/6mce32j0nQfTln1eCxxsk1.
{"copyright_id":"0x3914c3f789069a22782aaa3f7d95f9b61c20249f8b14d58892ab36d464afbc7d","isrc":"USUM71600601","name":"Do You Remember - SMLE Remix","registered_at":"2026-06-25T10:08:08Z","spotify_id":"61JpaRyUKt4kYzG4mDbskB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3914c3f789069a22782aaa3f7d95f9b61c20249f8b14d58892ab36d464afbc7d. 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/61JpaRyUKt4kYzG4mDbskB.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/61JpaRyUKt4kYzG4mDbskB.
{"copyright_id":"0x6c24f11157bbe75ff37d785f9762ea8029e8c24fc6c9b26722afe30c9b8e7c51","isrc":"USUM71516601","name":"Regardless - Frost Remix","registered_at":"2026-06-06T16:48:18Z","spotify_id":"2ZVQh77eaYYdaHjSBCw6Wq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c24f11157bbe75ff37d785f9762ea8029e8c24fc6c9b26722afe30c9b8e7c51. 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/2ZVQh77eaYYdaHjSBCw6Wq.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/2ZVQh77eaYYdaHjSBCw6Wq.
{"copyright_id":"0x9ed9c916592eccd2e9e5776c09790e68480e15c3c1c3c3b1e6841b12f0eeeb0c","isrc":"USUM71504917","name":"Do You Remember","registered_at":"2026-06-04T16:07:33Z","spotify_id":"7i9mpmiDjJaemfUHDI7lBP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed9c916592eccd2e9e5776c09790e68480e15c3c1c3c3b1e6841b12f0eeeb0c. 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/7i9mpmiDjJaemfUHDI7lBP.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/7i9mpmiDjJaemfUHDI7lBP.
{"copyright_id":"0x51879e7c2676868ebcf6c038e6cb9884e131cd093b6b2e4ee754eb7f8a2965a8","isrc":"AUUM71500917","name":"This Time (Serious Symptoms, Simple Solutions)","registered_at":"2026-06-27T10:48:45Z","spotify_id":"2uV3kgqSijwbi1zmsWAHPn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51879e7c2676868ebcf6c038e6cb9884e131cd093b6b2e4ee754eb7f8a2965a8. 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/2uV3kgqSijwbi1zmsWAHPn.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/2uV3kgqSijwbi1zmsWAHPn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02851c54ab2c3e633bf72e0660faec8561fc6409be3df467b0c4257a8ad0d4ee. 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/6QpUFXI1dsGsp2qXRqbdMM.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/6QpUFXI1dsGsp2qXRqbdMM.
Human Touch (feat. Jarryd James) - Acoustic Version
Human Touch (feat. Jarryd James) [Acoustic Version]
{"copyright_id":"0x81d2170311e227f2b91bbdc589a3ca95e68151765225fcf4cd9925ee6ceaad23","isrc":"USRC11602858","name":"Human Touch (feat. Jarryd James) - Acoustic Version","registered_at":"2026-06-23T01:44:54Z","spotify_id":"3SvyMEzzDQ14kfWoIQ4Lp7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d2170311e227f2b91bbdc589a3ca95e68151765225fcf4cd9925ee6ceaad23. 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/3SvyMEzzDQ14kfWoIQ4Lp7.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/3SvyMEzzDQ14kfWoIQ4Lp7.