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 0x2e7235999ec21d3847d3118e74b5a2feb99e4bbec1cf55d4e71d04e876c1e6c2. 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/8f0864bf-5dc8-4014-af0f-1cb25a37bfeb.json and https://artists.proofprofile.net/proofs/artist/8f0864bf-5dc8-4014-af0f-1cb25a37bfeb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
親愛なるフランツ・カフカに捧ぐ
TVアニメ「デカダンス」エンディングテーマ「記憶の箱舟」
スプリングルズ・サワークリーム
PEARLSCENT REVOLUTION (ENDING THEME FROM TV SERIES ”DEEP INASNITY THE LOST CHILD”)
TVアニメ「ディープインサニティ ザ・ロストチャイルド」エンディングテーマ「真珠色の革命」
スプリングルズ・サワークリーム - instrumental
TVアニメ「乙女ゲー世界はモブに厳しい世界です」オープニングテーマ「サイレントマイノリティー」
TVアニメ「虫かぶり姫」エンディングテーマ「革表紙」
ENGING THEME SONG FROM TV SERIES ”PRINCESS OF THE BIBLIOPHILE”
アニメ「夜は猫といっしょ Season2」主題歌「猫猫日和」
TVアニメ「わたしの幸せな結婚」エンディングテーマ「ヰタ・フィロソフィカ」
TV SERIES ”MY HAPPY MARRIAGE” ENDING SONG
{"copyright_id":"0xaa9400825c6915c07c925423f1769e2e0ba7eb11b60a719ab1ae3be3409d3ff3","isrc":"JPVI02401005","name":"ReStart (Japanese Version)","registered_at":"2026-06-19T19:58:00Z","spotify_id":"0y67NwYlzkzuGroMeratH2","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 0xaa9400825c6915c07c925423f1769e2e0ba7eb11b60a719ab1ae3be3409d3ff3. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0y67NwYlzkzuGroMeratH2.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/0y67NwYlzkzuGroMeratH2.
{"copyright_id":"0xaa9400825c6915c07c925423f1769e2e0ba7eb11b60a719ab1ae3be3409d3ff3","isrc":"JPVI02401005","name":"ReStart (Japanese Version)","registered_at":"2026-06-19T19:58:00Z","spotify_id":"2kuBERpR6yLPXzYnVQBQrI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9400825c6915c07c925423f1769e2e0ba7eb11b60a719ab1ae3be3409d3ff3. 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/2kuBERpR6yLPXzYnVQBQrI.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/2kuBERpR6yLPXzYnVQBQrI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40fd8009b69a7be0ee95a49307b8c8c9d6697cb31fde965b9a7b0040833013b2. 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/7JcZg3iXBIojXzzO9joqjR.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/7JcZg3iXBIojXzzO9joqjR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a16c6a38e574596ee69e55bc2cb3f8d731002b4a5e75cdcb4314a313e35b47a. 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/3h1bcv0FHtxQd4ziuXE3Pk.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/3h1bcv0FHtxQd4ziuXE3Pk.