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 0x7f50c44e8a08afe55e829db57c6bec9ddc3a2df372675357344b2392f222e35d. 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/6c6c6649-9459-4380-99b3-941e5fe2d623.json and https://artists.proofprofile.net/proofs/artist/6c6c6649-9459-4380-99b3-941e5fe2d623.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0","isrc":"USAT22211946","name":"M1SERY_SYNDROME (feat. BUDDY NIELSEN)","registered_at":"2026-06-06T16:41:11Z","spotify_id":"4otAANskhQoMSLeLGsWdT9","type":"track"}
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 0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0. 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/4otAANskhQoMSLeLGsWdT9.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/4otAANskhQoMSLeLGsWdT9.
{"copyright_id":"0x5508b64c91f66a9d6bdacaa7f7ffdc0bec4e327882eca3e59c9a850643ff1fa4","isrc":"USVR90240301","name":"Tie Her Down","registered_at":"2026-06-04T15:42:58Z","spotify_id":"02LQtWJmDMOAKs1yfHmGLi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5508b64c91f66a9d6bdacaa7f7ffdc0bec4e327882eca3e59c9a850643ff1fa4. 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/02LQtWJmDMOAKs1yfHmGLi.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/02LQtWJmDMOAKs1yfHmGLi.
{"copyright_id":"0x942e713e56a4460cd1c24d72ad05ade23bd9b8796cbf5b62bf5a3e80490ae39b","isrc":"USVR90240302","name":"Lady in a Blue Dress","registered_at":"2026-06-04T09:29:14Z","spotify_id":"7f2ZnUSNRRaj1pVMmG0Vtm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x942e713e56a4460cd1c24d72ad05ade23bd9b8796cbf5b62bf5a3e80490ae39b. 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/7f2ZnUSNRRaj1pVMmG0Vtm.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/7f2ZnUSNRRaj1pVMmG0Vtm.
{"copyright_id":"0x18b8e30d0306fb8b7a1a806d22dfcf111d1ae3e6e5d13a564de9687109ddb3cc","isrc":"USVR90240303","name":"You're Cute When You Scream","registered_at":"2026-06-04T13:16:38Z","spotify_id":"5yPIfd3L1qNuruNs4BaQSI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b8e30d0306fb8b7a1a806d22dfcf111d1ae3e6e5d13a564de9687109ddb3cc. 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/5yPIfd3L1qNuruNs4BaQSI.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/5yPIfd3L1qNuruNs4BaQSI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x429d14d1f13f32d0f1809a330a81374f73f2e4e93557c8e9994b34684042acd7. 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/5sDwxoaXxrffN65UfWPfRR.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/5sDwxoaXxrffN65UfWPfRR.
{"copyright_id":"0xfa009c1c497c6a3a0b137728ccfb61f43277bac90f25226ac0f662d42c1147e3","isrc":"USVR90240305","name":"Bite to Break Skin","registered_at":"2026-06-04T06:51:01Z","spotify_id":"6ErhIMzMLJ7QFoJmOUamyN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa009c1c497c6a3a0b137728ccfb61f43277bac90f25226ac0f662d42c1147e3. 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/6ErhIMzMLJ7QFoJmOUamyN.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/6ErhIMzMLJ7QFoJmOUamyN.
{"copyright_id":"0x94b9b72ea550cf34a446a38a56be63fadad7ab05a7902516d4b0c528fb708efe","isrc":"USVR90240306","name":"Rum Is for Drinking, Not for Burning","registered_at":"2026-06-04T07:52:15Z","spotify_id":"0vMvw4gKlM59AGO61KRnT7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b9b72ea550cf34a446a38a56be63fadad7ab05a7902516d4b0c528fb708efe. 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/0vMvw4gKlM59AGO61KRnT7.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/0vMvw4gKlM59AGO61KRnT7.
{"copyright_id":"0xed010abfafa1cf2b9f732bdfe8c1013514467f9f7bcfe504201edb22e84ebd66","isrc":"USVR90240307","name":"Slow Dance","registered_at":"2026-06-05T20:41:46Z","spotify_id":"0YNbkEo20Gio3lJVKDoSms","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed010abfafa1cf2b9f732bdfe8c1013514467f9f7bcfe504201edb22e84ebd66. 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/0YNbkEo20Gio3lJVKDoSms.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/0YNbkEo20Gio3lJVKDoSms.
{"copyright_id":"0xe5503e8aec2d4e082b106cc7df945d75ac6b2d2b57b8bc6f95631ff4177f1171","isrc":"USVR90240308","name":"Choke on This","registered_at":"2026-06-05T06:55:15Z","spotify_id":"6HM8wGvNnvAByYut2TdFLx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5503e8aec2d4e082b106cc7df945d75ac6b2d2b57b8bc6f95631ff4177f1171. 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/6HM8wGvNnvAByYut2TdFLx.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/6HM8wGvNnvAByYut2TdFLx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabaa416ac52ee0626c89f2b92d6db997b0c95520880bf085192e17f551091562. 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/666IN8CY7vEX1Hzto5ZxIV.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/666IN8CY7vEX1Hzto5ZxIV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc555e728f856934c57d1c2bc2bb97423e844861d2a108c573907fa378fc0cb. 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/5VPaXkoOt3rJbVNa1j5wmy.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/5VPaXkoOt3rJbVNa1j5wmy.
{"copyright_id":"0xc0086ae86bc78dbae92f0252479f0f73cf40a22cf11ab5a39bece283d5679465","isrc":"USVR90240311","name":"Irony of Dying on Your Birthday","registered_at":"2026-06-04T13:20:22Z","spotify_id":"6lp6WbAKL6P94ucTRgwAgg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0086ae86bc78dbae92f0252479f0f73cf40a22cf11ab5a39bece283d5679465. 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/6lp6WbAKL6P94ucTRgwAgg.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/6lp6WbAKL6P94ucTRgwAgg.
{"copyright_id":"0x3ac67c85f38e3cd1624f91a9633a80c6565d7a1ad2c7fa7dda47cb9ba7c23b54","isrc":"USVR90240312","name":"Angela Baker and My Obession with Fire","registered_at":"2026-06-05T07:39:35Z","spotify_id":"4fhVmSGylhxwmMd0MO8ZOo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac67c85f38e3cd1624f91a9633a80c6565d7a1ad2c7fa7dda47cb9ba7c23b54. 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/4fhVmSGylhxwmMd0MO8ZOo.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/4fhVmSGylhxwmMd0MO8ZOo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa396d6221a81b92efdf0f412bd0f353577dbb3178ce1331c4ca9c83a083b34dc. 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/54NHh0Ns5s51izv5vum5Co.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/54NHh0Ns5s51izv5vum5Co.
{"copyright_id":"0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0","isrc":"USAT22211946","name":"M1SERY_SYNDROME (feat. BUDDY NIELSEN)","registered_at":"2026-06-06T16:41:11Z","spotify_id":"5HuONHSJVsyksi8JJnLmh0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0. 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/5HuONHSJVsyksi8JJnLmh0.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/5HuONHSJVsyksi8JJnLmh0.
M1SERY_SYNDROME (feat. Buddy Nielsen) - wubz_Remix
M1SERY_SYNDROME (feat. Buddy Nielsen) [wubz_Remix]
{"copyright_id":"0x035ed5b508391dc8d2394c7bb1924cf45f442c84ce169da38f56cd2edb4e9b34","isrc":"USAT22223137","name":"M1SERY_SYNDROME (feat. Buddy Nielsen) - wubz_Remix","registered_at":"2026-06-19T15:06:51Z","spotify_id":"23NCDPIRQ7AsKkoRaK43rw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035ed5b508391dc8d2394c7bb1924cf45f442c84ce169da38f56cd2edb4e9b34. 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/23NCDPIRQ7AsKkoRaK43rw.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/23NCDPIRQ7AsKkoRaK43rw.
THIRST4VIOLENCE (feat. Freddie Dredd & Silverstein)
{"copyright_id":"0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0","isrc":"USAT22211946","name":"M1SERY_SYNDROME (feat. BUDDY NIELSEN)","registered_at":"2026-06-06T16:41:11Z","spotify_id":"4joTiamSeEfJxolSE7yG4g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0. 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/4joTiamSeEfJxolSE7yG4g.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/4joTiamSeEfJxolSE7yG4g.
{"copyright_id":"0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0","isrc":"USAT22211946","name":"M1SERY_SYNDROME (feat. BUDDY NIELSEN)","registered_at":"2026-06-06T16:41:11Z","spotify_id":"3vhJwESargjVNAAeAvquav","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0. 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/3vhJwESargjVNAAeAvquav.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/3vhJwESargjVNAAeAvquav.
{"copyright_id":"0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0","isrc":"USAT22211946","name":"M1SERY_SYNDROME (feat. BUDDY NIELSEN)","registered_at":"2026-06-06T16:41:11Z","spotify_id":"4hqPunp0O4J4WD53zF9Elc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c9f5ea867c6dc6b01e1d45e4928f3983bf2a2e167211a87487cb3e7d08f7c0. 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/4hqPunp0O4J4WD53zF9Elc.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/4hqPunp0O4J4WD53zF9Elc.