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 0x94db0ab340846f5a7b977970efa1d8244f3790d8523ef2f2dd4eb053d39ae2a1. 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/44c43d26-96e0-457c-b06e-c75148045a52.json and https://artists.proofprofile.net/proofs/artist/44c43d26-96e0-457c-b06e-c75148045a52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Just Don't Love You Anymore (Kultivate Remix)
I Just Don't Love You Anymore - Kultivate Remix
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 0x9d7f3e53fd0a2c28866312dc15a33bb40462da7861867fec79c9747ccff943f2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22M1aI9txtPP0P7YhxbWrY.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/22M1aI9txtPP0P7YhxbWrY.
{"copyright_id":"0x3b4158ba69abf5b897358141841e44913de647b7dc28dfcfbacfb48da01df75d","isrc":"QZWFR2362061","name":"FEED THE SICKNESS","registered_at":"2026-06-25T00:06:07Z","spotify_id":"39uh2vM5uB7wkBvNpe6yrm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4158ba69abf5b897358141841e44913de647b7dc28dfcfbacfb48da01df75d. 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/39uh2vM5uB7wkBvNpe6yrm.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/39uh2vM5uB7wkBvNpe6yrm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7238bb12e563a0c96032af165748ab6d45dbc3b1d3bad13ae925c12321c4365c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Wb4qUTs2bTUZzP63W0Qjx.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/5Wb4qUTs2bTUZzP63W0Qjx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bca567d2b3359bdfadbb19504467e7278bf63cba1135010320690dc0e8ed64d. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30sCbfoZGvzp518jJVG2e5.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/30sCbfoZGvzp518jJVG2e5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a32cc7789de064698a929bd69f05e432392e28725b03a56ef57ba491b776f8e. 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/6v4b1hpNY4KAKKEEsPPXhm.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/6v4b1hpNY4KAKKEEsPPXhm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d7f3e53fd0a2c28866312dc15a33bb40462da7861867fec79c9747ccff943f2. 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/2opFjMvTI5G4n2m89EfEZT.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/2opFjMvTI5G4n2m89EfEZT.
{"copyright_id":"0x3b4158ba69abf5b897358141841e44913de647b7dc28dfcfbacfb48da01df75d","isrc":"QZWFR2362061","name":"Feed the Sickness","registered_at":"2026-06-25T00:06:07Z","spotify_id":"5lHbXUrRVmGa1sa6y8amAk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4158ba69abf5b897358141841e44913de647b7dc28dfcfbacfb48da01df75d. 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/5lHbXUrRVmGa1sa6y8amAk.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/5lHbXUrRVmGa1sa6y8amAk.
{"copyright_id":"0xb989117232b3ba6ec4d9cf1bd87eaadd24240fbae4ec3bce98bc9d7aafb5b4d3","isrc":"QZK6N2403332","name":"Ain't No Bright Side","registered_at":"2026-06-21T12:18:54Z","spotify_id":"4cRIOsElmnXhCG8fSOTClh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb989117232b3ba6ec4d9cf1bd87eaadd24240fbae4ec3bce98bc9d7aafb5b4d3. 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/4cRIOsElmnXhCG8fSOTClh.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/4cRIOsElmnXhCG8fSOTClh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f773a28a1ca176cb27b4928ceae770b2bcec50aa0d7c75306a2427dd66691f8. 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/4cFC9WHug7uAKxyovlr5G5.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/4cFC9WHug7uAKxyovlr5G5.
{"copyright_id":"0xbc2440c9a0d22c0e5bfd166db8efeff9eace4a8c43ef0caf5286d21f9cee0c0b","isrc":"QZWFQ2359051","name":"Drag Me to Hell","registered_at":"2026-06-18T07:17:04Z","spotify_id":"68gtFE9mBf02eOUyjSGSc3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2440c9a0d22c0e5bfd166db8efeff9eace4a8c43ef0caf5286d21f9cee0c0b. 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/68gtFE9mBf02eOUyjSGSc3.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/68gtFE9mBf02eOUyjSGSc3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200768b9dd211598c245f6602a210972864c10fa07273f961e197e2008c006ed. 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/0mKZSBuV682Ifyp5bjirFz.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/0mKZSBuV682Ifyp5bjirFz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a32cc7789de064698a929bd69f05e432392e28725b03a56ef57ba491b776f8e. 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/1tXNm9VA02Xvbthvwu9t2u.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/1tXNm9VA02Xvbthvwu9t2u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7238bb12e563a0c96032af165748ab6d45dbc3b1d3bad13ae925c12321c4365c. 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/5UXYk1z4ZwOLE9LpXl9cKu.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/5UXYk1z4ZwOLE9LpXl9cKu.
{"copyright_id":"0x1bca567d2b3359bdfadbb19504467e7278bf63cba1135010320690dc0e8ed64d","isrc":"QZHN52409177","name":"I Hope You're Happy Now","registered_at":"2026-06-22T13:59:07Z","spotify_id":"7opSfKHHxp3HTiiUUtiNVe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bca567d2b3359bdfadbb19504467e7278bf63cba1135010320690dc0e8ed64d. 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/7opSfKHHxp3HTiiUUtiNVe.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/7opSfKHHxp3HTiiUUtiNVe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f98e26d48eb69520ca1bd6deabbb9bca947ebf1e733eca5c7cc4716dcd8e6a. 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/5O37yAOnpjBQM1iobwm5MI.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/5O37yAOnpjBQM1iobwm5MI.