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 0xc94409c56c90b2bd1cd024ab1c31f96da89187e8293a5de98b2af21e02b4664b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1c0de888-a756-44ab-9142-4790649324b4.json and https://artists.proofprofile.net/proofs/artist/1c0de888-a756-44ab-9142-4790649324b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Got Money Featuring Jim Root (Explicit) (Feat. Jim Root Of Slipknot)
Silent Hill Downpour (Konami's Game Music)
Silent Hill Downpour (Music of Konami's Game)
{"copyright_id":"0xa421dd6366774c64d22ad0bbff521e3c1bcdea2b169e00400444ddce08aa3aa7","isrc":"USYFZ1794201","name":"What It Is","registered_at":"2026-06-04T11:33:37Z","spotify_id":"6A2YsnkY5zSmT0jxCFc7Ci","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 0xa421dd6366774c64d22ad0bbff521e3c1bcdea2b169e00400444ddce08aa3aa7. 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/6A2YsnkY5zSmT0jxCFc7Ci.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/6A2YsnkY5zSmT0jxCFc7Ci.
Falling Away from Me (Lord Of the Rings Version)
Falling Away from Me - Lord Of the Rings Version
{"copyright_id":"0x621c27b18b21f6c43750ee5652afbcdcf934fe850814063fab2ba4fcf54bf101","isrc":"NLA321700008","name":"Necessary Evil (feat. Jonathan Davis)","registered_at":"2026-06-04T06:51:55Z","spotify_id":"6Rt9GlwZEDU0V3vhXrUNqJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x621c27b18b21f6c43750ee5652afbcdcf934fe850814063fab2ba4fcf54bf101. 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/6Rt9GlwZEDU0V3vhXrUNqJ.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/6Rt9GlwZEDU0V3vhXrUNqJ.
Necessary Evil (feat. Jonathan Davis) - Commentary
{"copyright_id":"0x5910c4d81dc4160b24df085f37a0c21bf5fb687578aaeec532606f3eaf19f279","isrc":"USUM71116320","name":"Hear Me Now - Jonathan Davis Remix","registered_at":"2026-06-20T03:15:09Z","spotify_id":"0k3ODlxndvaD5gdfKIX6Gg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5910c4d81dc4160b24df085f37a0c21bf5fb687578aaeec532606f3eaf19f279. 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/0k3ODlxndvaD5gdfKIX6Gg.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/0k3ODlxndvaD5gdfKIX6Gg.
American Satan (Original Motion Picture Soundtrack)
Thunder Kiss '65 - JDevil Number Of The Beast Remix
{"copyright_id":"0x82a18c7b5e83bfea53e79332a074c02c1069fec57af921d79f42e198f8d32c13","isrc":"USUM71205417","name":"Thunder Kiss '65 - JDevil Number Of The Beast Remix","registered_at":"2026-06-06T16:09:49Z","spotify_id":"5F0LELYPfIb810TCCgAdUC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a18c7b5e83bfea53e79332a074c02c1069fec57af921d79f42e198f8d32c13. 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/5F0LELYPfIb810TCCgAdUC.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/5F0LELYPfIb810TCCgAdUC.
{"copyright_id":"0x82a18c7b5e83bfea53e79332a074c02c1069fec57af921d79f42e198f8d32c13","isrc":"USUM71205417","name":"Thunder Kiss '65 - JDevil Number Of The Beast Remix","registered_at":"2026-06-06T16:09:49Z","spotify_id":"7pWBkIfWUIjy1f32MRGJsO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a18c7b5e83bfea53e79332a074c02c1069fec57af921d79f42e198f8d32c13. 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/7pWBkIfWUIjy1f32MRGJsO.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/7pWBkIfWUIjy1f32MRGJsO.
1Stp Klosr (The Humble Brothers Reanimation) [feat. Jonathan Davis]
Hybrid Theory (20th Anniversary Edition)
{"copyright_id":"0x995a0c0f42f9b3db62a391b63ea866f8fa365cf12e17f7902c6a3ea752d4dc42","isrc":"USWB10201931","name":"1Stp Klosr (The Humble Brothers Reanimation) [feat. Jonathan Davis]","registered_at":"2026-06-04T12:23:37Z","spotify_id":"7e5Tro36k4sZgtycrvFFHs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995a0c0f42f9b3db62a391b63ea866f8fa365cf12e17f7902c6a3ea752d4dc42. 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/7e5Tro36k4sZgtycrvFFHs.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/7e5Tro36k4sZgtycrvFFHs.
{"copyright_id":"0x995a0c0f42f9b3db62a391b63ea866f8fa365cf12e17f7902c6a3ea752d4dc42","isrc":"USWB10201931","name":"1Stp Klosr (The Humble Brothers Reanimation) [feat. Jonathan Davis]","registered_at":"2026-06-04T12:23:37Z","spotify_id":"6BcF4tXjinsT9NBYFoxS6t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995a0c0f42f9b3db62a391b63ea866f8fa365cf12e17f7902c6a3ea752d4dc42. 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/6BcF4tXjinsT9NBYFoxS6t.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/6BcF4tXjinsT9NBYFoxS6t.
{"copyright_id":"0xdf5ba3ec12b2a83faa67f348dd2347b312b7f79a7213ab90b31c12b32fced34b","isrc":"USZHR1600115","name":"Starting To Turn","registered_at":"2026-06-06T22:32:02Z","spotify_id":"5i8KxdVqfCO0cp34vU3HRZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5ba3ec12b2a83faa67f348dd2347b312b7f79a7213ab90b31c12b32fced34b. 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/5i8KxdVqfCO0cp34vU3HRZ.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/5i8KxdVqfCO0cp34vU3HRZ.
{"copyright_id":"0x88579d74e8e9169cc54ecd6a9184e71be8aa0db46a3d5c6d6596abc523f925e5","isrc":"QZTGW2400594","name":"Dark Fantasy","registered_at":"2026-06-09T19:52:59Z","spotify_id":"6wd4gpk7STZY5ru2DBVZQx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88579d74e8e9169cc54ecd6a9184e71be8aa0db46a3d5c6d6596abc523f925e5. 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/6wd4gpk7STZY5ru2DBVZQx.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/6wd4gpk7STZY5ru2DBVZQx.
{"copyright_id":"0x88579d74e8e9169cc54ecd6a9184e71be8aa0db46a3d5c6d6596abc523f925e5","isrc":"QZTGW2400594","name":"Dark Fantasy","registered_at":"2026-06-09T19:52:59Z","spotify_id":"3N5VRNH4zDLZHRQXBEeMAW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88579d74e8e9169cc54ecd6a9184e71be8aa0db46a3d5c6d6596abc523f925e5. 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/3N5VRNH4zDLZHRQXBEeMAW.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/3N5VRNH4zDLZHRQXBEeMAW.