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 0x48180066c620292ddcc472e393088048965f5ea50aa9e6812bb2ca49ab8e87f3. 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/910389ce-ae4d-4234-9870-4acea5bca8d2.json and https://artists.proofprofile.net/proofs/artist/910389ce-ae4d-4234-9870-4acea5bca8d2.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 0xcb2a75253ec1adda802447c8812e7ea7efa5be6eea0762716b7dec75e1922834. 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/2CLhsS4k0wzi36eTbivkbd.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/2CLhsS4k0wzi36eTbivkbd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526e27df0b12852457391a6370373a33a86a8a0e4dfa468b8eaaf4d403ee549d. 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/6Y5PbYaYXKWt9VB7yZtL33.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/6Y5PbYaYXKWt9VB7yZtL33.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a68615bf488f72236d5a70bd2a18626d8777f14cedbb5de681d08d0d3e6bea. 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/6DXZrrAD3AXHvPi24pLKEp.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/6DXZrrAD3AXHvPi24pLKEp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a644efbf6c47b4740852960f6c2a5d86b704f4fe66a4a72fc055613fd75926. 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/5QHnugYt2n8sLiKfAADwJ5.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/5QHnugYt2n8sLiKfAADwJ5.
{"copyright_id":"0xcca649ebd83ebcb60bf5b6e1a09219bad2431e0016a8eb4d6cc63ef23cde89b7","isrc":"CAUM81900146","name":"Definition Forbidden","registered_at":"2026-06-07T15:28:43Z","spotify_id":"444PxicZPuooooXHyDAlEY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca649ebd83ebcb60bf5b6e1a09219bad2431e0016a8eb4d6cc63ef23cde89b7. 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/444PxicZPuooooXHyDAlEY.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/444PxicZPuooooXHyDAlEY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x203412c8f3090b37f154bbe0c91326389525b6fe584a7c0d6642f05027f39851. 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/0lktJbFRsQ63bmnxFPUZqM.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/0lktJbFRsQ63bmnxFPUZqM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5535cb69a1dc79e74303636bf41908583bb384332564b1e4f1e9d344c97b3c18. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68DfNRcUjjSigLHen5xD4O.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/68DfNRcUjjSigLHen5xD4O.
{"copyright_id":"0x02ce758e23ab6a9ed578b4953f8ccd129086d766cb52a84e8b27a2e24c63cf1c","isrc":"CAUM82200639","name":"Sick Of You - Sped Up Version","registered_at":"2026-06-04T08:23:30Z","spotify_id":"0SxFpRBjVtZ4ewY0xbgSDg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02ce758e23ab6a9ed578b4953f8ccd129086d766cb52a84e8b27a2e24c63cf1c. 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/0SxFpRBjVtZ4ewY0xbgSDg.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/0SxFpRBjVtZ4ewY0xbgSDg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a644efbf6c47b4740852960f6c2a5d86b704f4fe66a4a72fc055613fd75926. 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/5Ft3hBcBSQyw4kG1DDVdsu.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/5Ft3hBcBSQyw4kG1DDVdsu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86209dc9105241acf5cae8de44f7d2aa48be0f894c340530945669c3667579bb. 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/2wKiKOCW9AyJUXAFALUbm9.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/2wKiKOCW9AyJUXAFALUbm9.
{"copyright_id":"0xa26aaab79efb180cc643e63d57faf2bbd9bf348b1457a2a49b516792847330d8","isrc":"GB2LD2410435","name":"Bombalaya - Chris Avantgarde Remix","registered_at":"2026-06-06T12:50:55Z","spotify_id":"5EutCYk0BuR5gKFN54pY8w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26aaab79efb180cc643e63d57faf2bbd9bf348b1457a2a49b516792847330d8. 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/5EutCYk0BuR5gKFN54pY8w.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/5EutCYk0BuR5gKFN54pY8w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bbccb0785af37ba3f4813ae5a2d3ba0ec409f30551414413782620114393187. 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/523SoBBuzTCtu50ctd2bI7.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/523SoBBuzTCtu50ctd2bI7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bbccb0785af37ba3f4813ae5a2d3ba0ec409f30551414413782620114393187. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5synIZ9rQN7NXCAY6fRylI.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/5synIZ9rQN7NXCAY6fRylI.
{"copyright_id":"0xcbd440e31ac0fe6f6dee91c503426faa2a557ca4b6f9b3d6a1a83de41204d65a","isrc":"CAUM81700077","name":"Neck And Neck - DNMO Remix","registered_at":"2026-06-02T02:26:56Z","spotify_id":"2bCjaF7cRm53Wdq9RtkYJu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd440e31ac0fe6f6dee91c503426faa2a557ca4b6f9b3d6a1a83de41204d65a. 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/2bCjaF7cRm53Wdq9RtkYJu.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/2bCjaF7cRm53Wdq9RtkYJu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3aa9e9460849bc7e31d7c368833a9b77d39cbe0ff28225ea478de9ab94ace1e. 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/3SmytDq4CeZ3nKE9777qEx.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/3SmytDq4CeZ3nKE9777qEx.
{"copyright_id":"0x6adc27e3371371bca6fac2abc9a51c5b5350be2078b606272224868802d613f7","isrc":"CAUM82000176","name":"Save My Grave - bad tuner Remix","registered_at":"2026-06-09T16:36:27Z","spotify_id":"72aABjdIHeZfiK34F13ENt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adc27e3371371bca6fac2abc9a51c5b5350be2078b606272224868802d613f7. 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/72aABjdIHeZfiK34F13ENt.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/72aABjdIHeZfiK34F13ENt.
Deadbeats & Brownies - Drum & Bass Compilation
Every Color (with Foster The People) - DNMO Remix
{"copyright_id":"0xf1a92ca34891b4cf5908128bb5667b30644ee5d695399d59531a1beca186d3df","isrc":"USUM72007732","name":"Every Color (with Foster The People) - DNMO Remix","registered_at":"2026-06-21T23:07:39Z","spotify_id":"6fqBvBjQZrRwbTkyqEz9QY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1a92ca34891b4cf5908128bb5667b30644ee5d695399d59531a1beca186d3df. 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/6fqBvBjQZrRwbTkyqEz9QY.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/6fqBvBjQZrRwbTkyqEz9QY.
{"copyright_id":"0x4c983bc2fba2992b6b49ab21924658a000a74b055f927e46fcdee96eb5b6ff96","isrc":"CAW112200147","name":"Hayloft II (DNMO Mix)","registered_at":"2026-06-08T14:26:48Z","spotify_id":"72AxgcShVmWv7DMsfy3aIP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c983bc2fba2992b6b49ab21924658a000a74b055f927e46fcdee96eb5b6ff96. 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/72AxgcShVmWv7DMsfy3aIP.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/72AxgcShVmWv7DMsfy3aIP.
In My Hands (with Camden Cox) - DNMO Remix
In My Hands (with Camden Cox) [DNMO Remix]
{"copyright_id":"0x4027bc187ca3638ae0b8359be6aba8e74652c6631c6e92f072815429a78714a8","isrc":"NL8RL2337309","name":"In My Hands (with Camden Cox) - DNMO Remix","registered_at":"2026-06-10T14:36:48Z","spotify_id":"0mwgf56QqMd5lmHNTyfbvW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4027bc187ca3638ae0b8359be6aba8e74652c6631c6e92f072815429a78714a8. 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/0mwgf56QqMd5lmHNTyfbvW.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/0mwgf56QqMd5lmHNTyfbvW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90a991d0b5eb335cc13e87450e5126e48c3c8e28c4a304e4ae392c1c8652ff2. 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/2KrpLmMNfjNbVHOgilehBH.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/2KrpLmMNfjNbVHOgilehBH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6c9bbf6e2d8b049a7ce86a6d351bf696e792d338c051e1d71e298b97341a01. 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/1eDg1w0iA3Ge2dMVCx3sFc.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/1eDg1w0iA3Ge2dMVCx3sFc.
{"copyright_id":"0xcb6c9bbf6e2d8b049a7ce86a6d351bf696e792d338c051e1d71e298b97341a01","isrc":"UST8K1677870","name":"Wonder - Dnmo Remix","registered_at":"2026-06-18T19:36:39Z","spotify_id":"48uJGUe5doscHd5XORmwPC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6c9bbf6e2d8b049a7ce86a6d351bf696e792d338c051e1d71e298b97341a01. 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/48uJGUe5doscHd5XORmwPC.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/48uJGUe5doscHd5XORmwPC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad5081e71a55ec518fbce96b94cbc1b2d58403ac755bb03c0b0f6f95e9d23e7. 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/7k8BI6xWsFejcjQDQNAn92.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/7k8BI6xWsFejcjQDQNAn92.