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 0x5a80d6f4b029e2cd830b30b3ae700fba569b5f0515423249db9235481a975f81. 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/c9aaeb99-08c3-4253-91e9-9ccb6932eaa2.json and https://artists.proofprofile.net/proofs/artist/c9aaeb99-08c3-4253-91e9-9ccb6932eaa2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡｣オリジナル･サウンドトラック②
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡｣シリーズアウトトラックス
My Teen Romantic Comedy SNAFU Climax Original Soundtrack
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 0x0bc6e092f06e37c9df14762197a45cc0a7b5246b5666baf8811d5f22f3edd522. 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/0C0snsR6dLViXdp9tikPka.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/0C0snsR6dLViXdp9tikPka.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe45a14bb02b79481bd240e0c06413f498ae2171405476beed6516153f5e41ae. 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/6zFu01zmeUxhVF2TpbqQ3p.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/6zFu01zmeUxhVF2TpbqQ3p.
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡｣オリジナル・サウンドトラック (①)
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡｣オリジナル・サウンドトラック①
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡｣オリジナル･サウンドトラック (②)
TVアニメ｢やはり俺の青春ラブコメはまちがっている｡完｣オリジナル･サウンドトラック
My Teen Romantic Comedy SNAFU Out Tracks
TVアニメ｢やはり俺の青春ラブコメはまちがっている。続」オリジナル･サウンドトラック
My Teen Romantic Comedy SNAFU Original Soundtrack (2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193949081c87c6d7f660cc1dfd4d1ebe8e03da3c1cc66f4760d2343ef943a7c9. 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/26uLXEd673vvXYG3ypkRl7.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/26uLXEd673vvXYG3ypkRl7.
{"copyright_id":"0xcfd859423cc9144c59c705f96d6d57c4500736f6ccaca8e81ab4555a9de47a26","isrc":"JPPI01352880","name":"kokoro surechigau","registered_at":"2026-06-22T04:43:02Z","spotify_id":"4mvjklUhtoAjEvQbxAJI9y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfd859423cc9144c59c705f96d6d57c4500736f6ccaca8e81ab4555a9de47a26. 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/4mvjklUhtoAjEvQbxAJI9y.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/4mvjklUhtoAjEvQbxAJI9y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e184c59f3d246e5eef7414fbd45324301903094472da44f4f338f9cc2d467c. 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/55oQnsivkqw5hmI3X5ezO1.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/55oQnsivkqw5hmI3X5ezO1.
My Teen Romantic Comedy SNAFU TOO! Original Soundtrack
{"copyright_id":"0xd99e7f8ac63f13ee3d6c3dd8807be042c000dc5d3dce6dd89595fa3a6710669f","isrc":"JPPI01551360","name":"chikakarazu tokarazu","registered_at":"2026-06-24T10:12:18Z","spotify_id":"4WlRFyxSLqiy0UIIj3sRuu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd99e7f8ac63f13ee3d6c3dd8807be042c000dc5d3dce6dd89595fa3a6710669f. 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/4WlRFyxSLqiy0UIIj3sRuu.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/4WlRFyxSLqiy0UIIj3sRuu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x622002a46f8b8cb4810d0928738fd700ff17bcb866d16da78a5bc969a65638c7. 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/0PekWDum7yeD6sxtH6x1tK.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/0PekWDum7yeD6sxtH6x1tK.
{"copyright_id":"0xb2ad82f47ca4c3e19a7286b7b86c1862045dab41d562f5ebf1ea31faa71a2ec9","isrc":"JPPI01551380","name":"hito no kimochi motto kangaeteyo","registered_at":"2026-06-26T19:18:27Z","spotify_id":"6wY1Siz2fhsvNYnNfO3UIb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ad82f47ca4c3e19a7286b7b86c1862045dab41d562f5ebf1ea31faa71a2ec9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wY1Siz2fhsvNYnNfO3UIb.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/6wY1Siz2fhsvNYnNfO3UIb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5560ea632784b21488b1c68654ed500bc71ba81395cc9957b3cb3a6117a3acec. 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/1bh06ke7HBHZrl1PW7Cd1X.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/1bh06ke7HBHZrl1PW7Cd1X.
{"copyright_id":"0xbbc8b173ea01c56465960d88f18a69d6f645cc815b7ce052725ac477e16cec90","isrc":"JPPI01551450","name":"tsunagitometa sekai","registered_at":"2026-06-25T17:26:46Z","spotify_id":"2eumbPikLAqTuoFmec6Eyi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc8b173ea01c56465960d88f18a69d6f645cc815b7ce052725ac477e16cec90. 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/2eumbPikLAqTuoFmec6Eyi.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/2eumbPikLAqTuoFmec6Eyi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f65a146dfe8377be345e4efe3ca4d2f263b1b1c8b3938f416df3a597d3b006a. 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/05SuvDoVEHOkZtZeUuvleY.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/05SuvDoVEHOkZtZeUuvleY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77d5cb60bf47a1a16987182181ad95c5dabf02b4e86c2ec3625738e56867dee. 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/5U5JraAwGD3f0QTtSqdWL4.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/5U5JraAwGD3f0QTtSqdWL4.
Vivy -Fluorite Eye's Song- Original Soundtrack
{"copyright_id":"0xe1d0727f124a528e9d143b25fde1073f38dfd64e2f36eb2ca0db49cb66175367","isrc":"JPE302100700","name":"Project : Singularity","registered_at":"2026-06-19T13:49:04Z","spotify_id":"0yNftpmebwBszip0AZS4RR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d0727f124a528e9d143b25fde1073f38dfd64e2f36eb2ca0db49cb66175367. 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/0yNftpmebwBszip0AZS4RR.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/0yNftpmebwBszip0AZS4RR.
{"copyright_id":"0xa0e5de7827f0edff4efaa4f0121b13747842b0a3c0e71e4842d9651ee269ff20","isrc":"JPE302100702","name":"Smile a Little More","registered_at":"2026-06-19T13:48:56Z","spotify_id":"7cSv4uZ7mjQBETwlz5DSXU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e5de7827f0edff4efaa4f0121b13747842b0a3c0e71e4842d9651ee269ff20. 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/7cSv4uZ7mjQBETwlz5DSXU.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/7cSv4uZ7mjQBETwlz5DSXU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1183084a818e1c91f902407c6b7e3a780b54869841fcf36e0b9cb0d02fc1343. 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/3tsqvovbOHwbV4ACshu8mv.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/3tsqvovbOHwbV4ACshu8mv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3aa10649cbf6bc1063a72100a1048a4edf1174d62d154bda941ed33b1e6e434. 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/7JSaIM6jY9AghhoaCiQdJN.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/7JSaIM6jY9AghhoaCiQdJN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x512e02078273b343f55f4f212ee642b79da8b36970afade81e0e7487176d7c84. 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/0j4eW88bbrXzFUHsDGmFkc.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/0j4eW88bbrXzFUHsDGmFkc.
Fate/EXTRA Last Encore - Imperatoris Suite -
Fate/EXTRA Last Encore Original Soundtrack
Fate/EXTRA CCC Original Soundtrack [reissue]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f8a1331dd023c57fe114237daa185c5d4fe44ecf12313420a59114047d7e216. 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/3y0OC7CjIVD4zMiMMJHzrs.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/3y0OC7CjIVD4zMiMMJHzrs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2338b07c9be51d5d8ad55970b30e98e62088555b547bf43f2fa1587f37c95702. 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/1kVDDcVsYpQhVzlUDz0Xzq.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/1kVDDcVsYpQhVzlUDz0Xzq.
TOKIMEKIエスカレート - 石濱翔 / Tropical Summer Nude Remix - GAME VERSION
THE IDOLM@STER CINDERELLA GIRLS 5thLIVE TOUR Serendipity Parade!!! SSA Original Album THE IDOLM@STER CINDERELLA GIRLS TO D@NCE TO (GAME VERSION)