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 0xfd88c89dbed1a30c87e8325fc455af3350cef3a2f454f005689f0e6f7a8721aa. 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/f11eda60-c6e2-47ae-8da6-2876efb890f1.json and https://artists.proofprofile.net/proofs/artist/f11eda60-c6e2-47ae-8da6-2876efb890f1.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 0x00493714484259f4477ff015d9566fb156cf8c71ae96221b7d791595112e3f7a. 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/5kpUBrbRmjdGDQIbPFGKLN.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/5kpUBrbRmjdGDQIbPFGKLN.
{"copyright_id":"0x15978491dac21fa400ff145e11a3f905247cdcef7fff67515c35dc5d1e98bc1a","isrc":"GB8KE2154903","name":"Born On Road","registered_at":"2026-06-08T19:49:44Z","spotify_id":"7cSSIuL4wE0XeJi6dOaqSy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15978491dac21fa400ff145e11a3f905247cdcef7fff67515c35dc5d1e98bc1a. 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/7cSSIuL4wE0XeJi6dOaqSy.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/7cSSIuL4wE0XeJi6dOaqSy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903f17c5e373051612564880b45544f7d9895424c1a3e167b3e1933efbb3d439. 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/2Lbv89tNWFwfuuQwlJdYny.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/2Lbv89tNWFwfuuQwlJdYny.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd27d1aa73d410b354bbaeb8df263b41d492e16b124ad5dc159df4fae452623a6. 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/7tTPAOJNYSAzNQ3m8akFfq.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/7tTPAOJNYSAzNQ3m8akFfq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a97084cb0353c88a00c0dd27f0a2edcc7d823280d50e5718c49a4beaaebd79d. 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/6Yvv8jMRdRD5Jacrz0sybW.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/6Yvv8jMRdRD5Jacrz0sybW.
{"copyright_id":"0x0cedfea36cbc5a0a9b72a58aacdc8fbf892dcec789e4b12f855f652db15b741c","isrc":"GB8KE2154910","name":"What Ya Gunna Do","registered_at":"2026-06-25T20:15:41Z","spotify_id":"2ADzAA50sLQNPFbRgk5ZH0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cedfea36cbc5a0a9b72a58aacdc8fbf892dcec789e4b12f855f652db15b741c. 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/2ADzAA50sLQNPFbRgk5ZH0.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/2ADzAA50sLQNPFbRgk5ZH0.
{"copyright_id":"0x04a8eaceac0cd5cd8f952cc75c3dee21a226288d7020b0f6f294d2057fe84685","isrc":"GB8KE2154920","name":"Let Me Hear You Say","registered_at":"2026-06-19T10:34:11Z","spotify_id":"0jG7QNkRgStXCOgCT9OEax","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a8eaceac0cd5cd8f952cc75c3dee21a226288d7020b0f6f294d2057fe84685. 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/0jG7QNkRgStXCOgCT9OEax.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/0jG7QNkRgStXCOgCT9OEax.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd833ad628b342951c40e2d2c565f67b470c381a0035d4c4f13615659e192c1be. 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/3UArFg0TNjTWEO2PzzHHVm.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/3UArFg0TNjTWEO2PzzHHVm.
{"copyright_id":"0xd6d4c2bbfd85b630be514f722c717533eecac7913b305965aa79fafbf9f1f9de","isrc":"GB8KE2154926","name":"What We","registered_at":"2026-06-25T20:14:49Z","spotify_id":"56MreEpQWkNXEJbuHIkcVK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d4c2bbfd85b630be514f722c717533eecac7913b305965aa79fafbf9f1f9de. 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/56MreEpQWkNXEJbuHIkcVK.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/56MreEpQWkNXEJbuHIkcVK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b173c533f299a0071414536d9ce3f4adad75103cf6e1c5d1f2ec16f4bded11c. 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/5bZBx0Eb7GV2wFgI8GdQjh.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/5bZBx0Eb7GV2wFgI8GdQjh.
{"copyright_id":"0x4bebcf8bd97efe90be39d7d8d98a88ceb807bf35e3e61b089c77a15d71fefce0","isrc":"GB8KE2411063","name":"Run & Hide","registered_at":"2026-06-18T13:15:31Z","spotify_id":"1FKDOjkX9oZtbnkvCk8AvC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bebcf8bd97efe90be39d7d8d98a88ceb807bf35e3e61b089c77a15d71fefce0. 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/1FKDOjkX9oZtbnkvCk8AvC.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/1FKDOjkX9oZtbnkvCk8AvC.
{"copyright_id":"0xcfb1a0238e7690112aed7f6ca43a69d039f7b22cf913a6b53956380830b3ad26","isrc":"GB8KE2407227","name":"Bullet In The Dance - Crossy Remix","registered_at":"2026-06-20T05:25:30Z","spotify_id":"5TESwGRSZXNz382HVjLdDT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb1a0238e7690112aed7f6ca43a69d039f7b22cf913a6b53956380830b3ad26. 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/5TESwGRSZXNz382HVjLdDT.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/5TESwGRSZXNz382HVjLdDT.
{"copyright_id":"0x334e4dfdc758f0bb9a843675968ed5fed8be507256da2f3846c9810ccc6d42c2","isrc":"QM4TW2497537","name":"Dead Man - Crossy Remix","registered_at":"2026-06-20T05:30:06Z","spotify_id":"7g0RFhFruFIWq7X7MkNzpM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334e4dfdc758f0bb9a843675968ed5fed8be507256da2f3846c9810ccc6d42c2. 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/7g0RFhFruFIWq7X7MkNzpM.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/7g0RFhFruFIWq7X7MkNzpM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1d9f4fed9b31f35948253c19eec2afe0f3b1be0a5ae755cdd47832b50051eb. 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/6qGUxUFbQ802HLLcH2aWwV.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/6qGUxUFbQ802HLLcH2aWwV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e11a07b69efcb279bd481ed50290534470c8b20a3ee2b84d6f09609843124d8. 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/1AZirSrqBAbCwswMyMTx9M.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/1AZirSrqBAbCwswMyMTx9M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e127305c3003f74b8403e46a7fec44a51bac177f3e4aca998b748c23b459f2. 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/2CUwI8T9lEwJFIP9j3agZ1.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/2CUwI8T9lEwJFIP9j3agZ1.
{"copyright_id":"0x2ec07a822d0e086039be033d8aa15a8145d76c6ca8fac019f62d6f8aa5e2bd72","isrc":"GBFG92200191","name":"No No No - Crossy Remix","registered_at":"2026-06-08T11:53:59Z","spotify_id":"1pAHQroojlHF7BsBWMKmQx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec07a822d0e086039be033d8aa15a8145d76c6ca8fac019f62d6f8aa5e2bd72. 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/1pAHQroojlHF7BsBWMKmQx.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/1pAHQroojlHF7BsBWMKmQx.
DJ Hybrid presents Welcome To The Jungle
Aries & Kelvin 373 present Born On Road x Jungle Cakes - Welcome To The Jungle (Unmixed)
{"copyright_id":"0x4bebcf8bd97efe90be39d7d8d98a88ceb807bf35e3e61b089c77a15d71fefce0","isrc":"GB8KE2411063","name":"Run & Hide","registered_at":"2026-06-18T13:15:31Z","spotify_id":"16yysRJvzeY1yOIYqFxhWu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bebcf8bd97efe90be39d7d8d98a88ceb807bf35e3e61b089c77a15d71fefce0. 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/16yysRJvzeY1yOIYqFxhWu.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/16yysRJvzeY1yOIYqFxhWu.
Murder Ya Sound - Gold Dubs & Crossy Remix
{"copyright_id":"0xd7ebd7da99d499912af1e30fdc729393601901c84f4d1f18630d86e2fc5f4006","isrc":"UK6WC2100003","name":"Murder Ya Sound - Gold Dubs & Crossy Remix","registered_at":"2026-06-26T19:47:51Z","spotify_id":"7thJpch5WrFq7L5utSEijU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ebd7da99d499912af1e30fdc729393601901c84f4d1f18630d86e2fc5f4006. 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/7thJpch5WrFq7L5utSEijU.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/7thJpch5WrFq7L5utSEijU.
SoundBwoy Weaponry - Crossy Remix - Mixed
Aries & Kelvin 373 present Born On Road x Jungle Cakes - Welcome To The Jungle (DJ Mix)
{"copyright_id":"0x24877115dc73d0240a83a00fbd15d3b97c2cf66c4de540d99304b2d735767758","isrc":"GBFG92000441","name":"SoundBwoy Weaponry - Crossy Remix - Mixed","registered_at":"2026-06-07T13:34:00Z","spotify_id":"40axytDD17Nnv7e2R2z3py","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24877115dc73d0240a83a00fbd15d3b97c2cf66c4de540d99304b2d735767758. 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/40axytDD17Nnv7e2R2z3py.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/40axytDD17Nnv7e2R2z3py.