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 0x2cb739482b865beeba030b9a39cb289b3b0952d5bf9bcd2ee9969a173f5f1b69. 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/daf913ae-bd0f-4836-963e-8ad2b0636a8b.json and https://artists.proofprofile.net/proofs/artist/daf913ae-bd0f-4836-963e-8ad2b0636a8b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Percy Jackson and the Olympians (Original Series Soundtrack)
Outlander: Season 7 (Highlights from the Original Television Soundtrack)
Outlander - The Skye Boat Song (Revolutionary Version)
{"copyright_id":"0x39cfb858dc1b67901b656bbc6bd1d432284cd4864856e1af180357cd954bf54d","isrc":"USJPL2300120","name":"Outlander - The Skye Boat Song (Revolutionary Version)","registered_at":"2026-06-07T04:08:10Z","spotify_id":"4SJAXVw4aJN4oXVc9ASZh0","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 0x39cfb858dc1b67901b656bbc6bd1d432284cd4864856e1af180357cd954bf54d. 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/4SJAXVw4aJN4oXVc9ASZh0.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/4SJAXVw4aJN4oXVc9ASZh0.
{"copyright_id":"0xde485f20f3ed3cd72e3c8e4dc56e6153f4f72cebd13894658d106088e4acf1d4","isrc":"USJPL2300121","name":"Our History is Now","registered_at":"2026-06-09T21:48:17Z","spotify_id":"6nx2Ua4boBDbAUfLy3quvp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde485f20f3ed3cd72e3c8e4dc56e6153f4f72cebd13894658d106088e4acf1d4. 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/6nx2Ua4boBDbAUfLy3quvp.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/6nx2Ua4boBDbAUfLy3quvp.
Tha mi Sgìth 'n Fhògar Seo (feat. Griogair)
{"copyright_id":"0xce80677038cd860c159ed6234e0c69b34314b90f0ef4cc48e0303482c5a91971","isrc":"USJPL2300122","name":"Tha mi Sgìth 'n Fhògar Seo (feat. Griogair)","registered_at":"2026-06-07T16:09:25Z","spotify_id":"43B3H05TIJSGHeIN5Kqarz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce80677038cd860c159ed6234e0c69b34314b90f0ef4cc48e0303482c5a91971. 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/43B3H05TIJSGHeIN5Kqarz.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/43B3H05TIJSGHeIN5Kqarz.
Gotham Knights (Original Video Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874597d40b251dc64464615f105265632a91d135e7f5e90dd5e7e41155708942. 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/5Ji0JNiFi2ZdMqwiuFXewi.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/5Ji0JNiFi2ZdMqwiuFXewi.
The Definitive Superhero Themes Collection
Hail Hydra - From "Marvel's Agents of S.H.I.E.L.D."/Score
The Lord of the Rings: The Rings of Power (Season One: Amazon Original Series Soundtrack)
{"copyright_id":"0xb816c42d98e65181a49a2d2e11c4cad150281614a4d6c2e2a7f29201570b75ca","isrc":"QZ57D2200004","name":"Where the Shadows Lie","registered_at":"2026-06-05T09:03:21Z","spotify_id":"3rdIfUypAjqTHt4CTQlPec","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb816c42d98e65181a49a2d2e11c4cad150281614a4d6c2e2a7f29201570b75ca. 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/3rdIfUypAjqTHt4CTQlPec.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/3rdIfUypAjqTHt4CTQlPec.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1160af3bf4565daaf6f1b90372ce1690753ba028f981f1a4ccdd1df9eb1d4b1. 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/4aLoiQsOE0oMx0pAFLOrow.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/4aLoiQsOE0oMx0pAFLOrow.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd66dc1743b9a3351bd40550d054a4f2a2ded875959d1d6cfbe6826779e85e14. 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/5gai8pjmX0756SfAOPnEZE.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/5gai8pjmX0756SfAOPnEZE.
{"copyright_id":"0x0e2be1b2aeff2d539941da6b4dcc62b2a92ce8fb761c65d7194fa6eb78901619","isrc":"QZ57D2200006","name":"Nori Brandyfoot","registered_at":"2026-06-04T14:40:04Z","spotify_id":"0yQAqMvw9tFOEli7EpFBLT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e2be1b2aeff2d539941da6b4dcc62b2a92ce8fb761c65d7194fa6eb78901619. 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/0yQAqMvw9tFOEli7EpFBLT.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/0yQAqMvw9tFOEli7EpFBLT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58f17e82fb85c74d6740d98ded72cd09b1546650900850d38e0fcbb5b4ba8f9e. 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/4lRIrVALubeKxXQ9zDXnO6.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/4lRIrVALubeKxXQ9zDXnO6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bf35c4fe78441d88d7e51487313a415178a23b977da2bcf53978226dc387851. 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/5m17ITVv8Mva7X5HYRSClh.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/5m17ITVv8Mva7X5HYRSClh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4ae7696b197769aa3a04586c37534a6697a3745d7ae8e3e44b4d1102ecf85c. 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/3WrsedZoaPZhmJvCoENDLc.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/3WrsedZoaPZhmJvCoENDLc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb382c1a8d86530816210f001fe80e7c1e92563db549e16bfa5e6caae721354a. 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/0u5Z2JqBdzHoXKcFgq0KK6.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/0u5Z2JqBdzHoXKcFgq0KK6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d54989e93562861fee21993c8e65afbee9f4984705f1796e48fc9d081e3735. 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/601FGRQiML16f3yqKIPeh8.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/601FGRQiML16f3yqKIPeh8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x658a62a75080e13b8fe7d08fab57222b660fea745197c84b60c502ea026d7549. 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/1isA2WMKG9elY7Kqq0dDve.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/1isA2WMKG9elY7Kqq0dDve.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb984c95eb09db6f12c5c7f40ee28dd89555171b65b82788a0d95a44c8249df43. 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/4OYsT3QxyyFchLCO9nDmZh.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/4OYsT3QxyyFchLCO9nDmZh.
{"copyright_id":"0x65e705bfbf9fff5a2ba2c92c978cad6a47e00a4cf11be0badebe13e0cfb2d482","isrc":"QZ57D2200013","name":"Harfoot Life","registered_at":"2026-06-06T11:28:37Z","spotify_id":"1ZuC8uiSSs779F0Qi3w1x4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e705bfbf9fff5a2ba2c92c978cad6a47e00a4cf11be0badebe13e0cfb2d482. 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/1ZuC8uiSSs779F0Qi3w1x4.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/1ZuC8uiSSs779F0Qi3w1x4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf547a88052fefec1929c6226e63811891fb57083275396534738528419011b3f. 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/67q04cfjHsRTvGMgy34SkC.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/67q04cfjHsRTvGMgy34SkC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4cd4276a408f88aff2617701b20aa20282f532e94fe010923ea15f9d87b84a6. 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/58y5rtCFQxGMvWlXWSY9xU.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/58y5rtCFQxGMvWlXWSY9xU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff04e7ccb8fdef8664cc6ff85be62e7ddfeffac25ba85a183604b55ea01b715. 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/2MZJ89v9EYa68v5mvE81FQ.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/2MZJ89v9EYa68v5mvE81FQ.