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 0x16174b5a178387cec6891a081f7790ef5ec9a074f7850cfffe6bc7c021aca757. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e5972eaf-5561-48ac-9bde-2ee2a3c921c7.json and https://artists.proofprofile.net/proofs/artist/e5972eaf-5561-48ac-9bde-2ee2a3c921c7.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 0x655952a18912aa81285205e7a02604ce9cc229961525e5b007295cf12dd66b3b. 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/4QbTTCEFwxftr7mY7iSLfM.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/4QbTTCEFwxftr7mY7iSLfM.
{"copyright_id":"0x834482d37ff7ffc7a25ae37c7fd410221ef5398a112cfeeffb8d258582f86b6a","isrc":"QZZ4J2400389","name":"KEEP UP - Sped Up","registered_at":"2026-06-02T00:20:26Z","spotify_id":"3IXulV67LQmDSIL0NhepDs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x834482d37ff7ffc7a25ae37c7fd410221ef5398a112cfeeffb8d258582f86b6a. 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/3IXulV67LQmDSIL0NhepDs.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/3IXulV67LQmDSIL0NhepDs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6c697810c42db8c6599acca9b170cfb10e1752a19c47126be6160c36276461. 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/0I4cfb7ATp8pC2w6OKk8al.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/0I4cfb7ATp8pC2w6OKk8al.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004383d14a1d9abc3585d48934b26f762285aa560e687e94114a7b368d879a21. 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/4uEcFKhpIqp68PNNyZQlV8.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/4uEcFKhpIqp68PNNyZQlV8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fbc2d770dd616728cf8758647274d1b5fb7371b264b0fb5b1d5a2326341c407. 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/05MkKuSFvyaQ0HWHbgMAG1.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/05MkKuSFvyaQ0HWHbgMAG1.
BORDERLINE PERSONALITY DISORDER - CLUB MIX
{"copyright_id":"0xa37833aeb4e90c180f360440078a1120777fbdc4effaf6bdc9a899cdfc833169","isrc":"QZVFR2200063","name":"BORDERLINE PERSONALITY DISORDER - CLUB MIX","registered_at":"2026-06-06T05:36:05Z","spotify_id":"0q9nAzxAkkW2Pt4EfG5kSt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37833aeb4e90c180f360440078a1120777fbdc4effaf6bdc9a899cdfc833169. 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/0q9nAzxAkkW2Pt4EfG5kSt.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/0q9nAzxAkkW2Pt4EfG5kSt.
{"copyright_id":"0x1e78bc07688e74a1c75797882b3f0599626ed8a2ef76b3759d4a8f76900553d6","isrc":"QZVFR2200064","name":"RED EYES BLACK DRAGON CHAIN - CLUB MIX","registered_at":"2026-06-09T09:53:49Z","spotify_id":"1wYa68MfC99D3mG8VyGTNw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e78bc07688e74a1c75797882b3f0599626ed8a2ef76b3759d4a8f76900553d6. 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/1wYa68MfC99D3mG8VyGTNw.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/1wYa68MfC99D3mG8VyGTNw.
{"copyright_id":"0xed4919636b878f2fc377529c24a01cc3b7ad45e218959c5cf1f0d691dde1ff54","isrc":"QZVFR2301643","name":"I LOVE YOU HOE - CLUB MIX","registered_at":"2026-06-08T10:10:11Z","spotify_id":"1Qq4t8b78gD2rml6hwHatF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4919636b878f2fc377529c24a01cc3b7ad45e218959c5cf1f0d691dde1ff54. 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/1Qq4t8b78gD2rml6hwHatF.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/1Qq4t8b78gD2rml6hwHatF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ae00249764abad73990faf02daae31a5b81791088e4f77bdacca114d6368851. 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/6opEfimz9BR98FyVUasX9g.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/6opEfimz9BR98FyVUasX9g.
{"copyright_id":"0xeae039c42f2edadef46fb744a2677467f1ad6943d586604bdb76bf2bd37d0fef","isrc":"QZVFR2301718","name":"HYPNOTIC DATA - CLUB MIX","registered_at":"2026-06-18T22:39:42Z","spotify_id":"2Phwv3ncRUeJAnCrEYoJr5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae039c42f2edadef46fb744a2677467f1ad6943d586604bdb76bf2bd37d0fef. 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/2Phwv3ncRUeJAnCrEYoJr5.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/2Phwv3ncRUeJAnCrEYoJr5.
{"copyright_id":"0xeae039c42f2edadef46fb744a2677467f1ad6943d586604bdb76bf2bd37d0fef","isrc":"QZVFR2301718","name":"HYPNOTIC DATA - CLUB MIX","registered_at":"2026-06-18T22:39:42Z","spotify_id":"6l2fsG0sZ8GzOoBBmgNT8f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae039c42f2edadef46fb744a2677467f1ad6943d586604bdb76bf2bd37d0fef. 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/6l2fsG0sZ8GzOoBBmgNT8f.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/6l2fsG0sZ8GzOoBBmgNT8f.
{"copyright_id":"0x3ae00249764abad73990faf02daae31a5b81791088e4f77bdacca114d6368851","isrc":"QZVFR2301646","name":"GMFU - CLUB MIX","registered_at":"2026-06-08T06:22:37Z","spotify_id":"74YoC2TEqeCjHkdMjPiDmp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ae00249764abad73990faf02daae31a5b81791088e4f77bdacca114d6368851. 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/74YoC2TEqeCjHkdMjPiDmp.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/74YoC2TEqeCjHkdMjPiDmp.
{"copyright_id":"0xed4919636b878f2fc377529c24a01cc3b7ad45e218959c5cf1f0d691dde1ff54","isrc":"QZVFR2301643","name":"I LOVE YOU HOE - CLUB MIX","registered_at":"2026-06-08T10:10:11Z","spotify_id":"3vpK4fWFy2cQEiLlE5iPQF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4919636b878f2fc377529c24a01cc3b7ad45e218959c5cf1f0d691dde1ff54. 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/3vpK4fWFy2cQEiLlE5iPQF.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/3vpK4fWFy2cQEiLlE5iPQF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64f606301f6511af05f637b8c562a92c6506cf16ff1200b35fbff49b4885df1. 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/4CSfomiztQza1dKG282J5t.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/4CSfomiztQza1dKG282J5t.
{"copyright_id":"0x77adc74d591c6c88feae81804f644c1b368af0b778b977eec92b3b0122186c8c","isrc":"QZVFR2301524","name":"ICE SPICE HMU - Sped Up","registered_at":"2026-06-07T18:10:32Z","spotify_id":"1CJNeqmy3HD6LWnBE1LPPB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77adc74d591c6c88feae81804f644c1b368af0b778b977eec92b3b0122186c8c. 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/1CJNeqmy3HD6LWnBE1LPPB.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/1CJNeqmy3HD6LWnBE1LPPB.
{"copyright_id":"0xa09f4f3681dc7d6de0d18a2b1d80ccb51b4f75121fda5906d8bf150aa6edd69b","isrc":"QZVFR2301525","name":"REASSURE ME - Sped Up","registered_at":"2026-06-07T14:47:40Z","spotify_id":"1gFT4qE7pbtNCY5GaTAEV4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09f4f3681dc7d6de0d18a2b1d80ccb51b4f75121fda5906d8bf150aa6edd69b. 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/1gFT4qE7pbtNCY5GaTAEV4.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/1gFT4qE7pbtNCY5GaTAEV4.
{"copyright_id":"0x9b909aac920d0e4f121e711cccca7e2b0f6f02720127b59505c5a2c95b9dfa96","isrc":"QZVFR2301526","name":"I LOVE YOU HOE - Slowed & Reverbed","registered_at":"2026-06-04T04:48:33Z","spotify_id":"7xo7pBrYZj5v8RiMC5bwCU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b909aac920d0e4f121e711cccca7e2b0f6f02720127b59505c5a2c95b9dfa96. 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/7xo7pBrYZj5v8RiMC5bwCU.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/7xo7pBrYZj5v8RiMC5bwCU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd034d0a834d1675e4840dafbcfcc2341a34006fd786141ee0e687b4183830324. 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/2W501e7wtP6NI53puhBzfQ.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/2W501e7wtP6NI53puhBzfQ.