is Konami's sound team. It is often confused with 矩形波倶楽部 (Kukeiha Club), Konami's in-house band that has released albums consisting of their studio performances. They are primarily responsible for th
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa580afe67e9356beae708607363c2039e850cc67aee5dc25191db340a2f098b. 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/2990fcfc-7886-4991-9a30-d8780f23cf40.json and https://artists.proofprofile.net/proofs/artist/2990fcfc-7886-4991-9a30-d8780f23cf40.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Silent Hill 2 (Original Game Soundtracks)
魂斗羅 サウンドトラック (アーケード版)
謎の壁 ブロックくずし サウンドトラック (FC/DISK版)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d25dc5d8761557eeb70219984618098406603de81a9eec901166219cdf4edbc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801158 — a six-check JSON result.
愛戦士ニコル サウンドトラック (FC/DISK版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc0781e80148df8ec75cb851ec7ae178cc18835181726b8e4008179664d2983f. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801579 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e3bb00958214d71ede53f3e393f4fd609e0c0372d4257e96cc27f83e55fcba. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801583 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1319d6ff6bfc5f0e2a54fb479cbc0c2f3828a83b0affb29f912a67eadad49d53. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801584 — a six-check JSON result.
地下からの脱出:Aquarius (水没都市ステージ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ee91ebe6b157fa2d8e745cc7ecbf9922c0d9557a6babeb7e553d1a0fc1fba3d. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801592 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb044aba0fcb8ad24c60fdff8bbfea5d47149188d0b067473ed67cd5251c836. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801595 — a six-check JSON result.
悪魔城すぺしゃる ぼくドラキュラくん SOUNDTRACKS (FC版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9590105ae0984ed20c9bc62b9f24fc7e98f125bb3850c1149acde8118ca410. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801656 — a six-check JSON result.
プロローグ ～オープニングBGM(序章・戦い・哀しみ・幻想水滸伝IIのテーマ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2baf5818c244dc3e628c7f10dde20f4272ea3a15ce062092f5eb02475f865c. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801685 — a six-check JSON result.
第1章｢始まり｣ ～勝利への意欲(通常戦闘BGM)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50ee2851ea5f4863277b04d67a527431d89dfedf75e2a80f9536cefa4111c4f. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801689 — a six-check JSON result.
第1章｢始まり｣ ～回想(オープニングスタッフロールBGM)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b2884e83127d1df24907fdb002ccd7a6e39aaec71136ce01e96be35677c20ff. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801691 — a six-check JSON result.
プロローグ ～幻想の世界へ(タイトルBGM)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4087949068c28ba86bda011d90d62142caf90017986dba022cb5427e40a788f0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801790 — a six-check JSON result.
第1章｢謁見｣ ～メインテーマアレンジ～ギター編(イベント｢おうちに帰ろう｣より)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6044182995f3f0e882d04f36703d40edda04511dec8aa67a8cde98001fafcc. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801795 — a six-check JSON result.
ワイワイワールド2 SOS!!パセリ城 サウンドトラック (FC版)
マッド・シティ サウンドトラック (FC版)
ファイナルコマンド 赤い要塞 サウンドトラック (FC/DISK版)
バイオミラクル ぼくってウパ サウンドトラック (FC/DISK版)
ドラゴンスクロール 甦りし魔竜 サウンドトラック (FC版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022d0df76dea84ebbe56086f7a88773fd8313e2af1235aebaeed788fc2cb0a37. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801678 — a six-check JSON result.
コナミワイワイワールド サウンドトラック (モバイル版・PCM音源バージョン)
コナミワイワイワールド サウンドトラック (モバイル版・FM音源バージョン)
LAGRANGE POINT サウンドトラック (ステレオ・エンハンスドバージョン)
コナミワイワイワールド サウンドトラック (FC版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8cc499a75d18857b4901622377a01d4362ba2c98565912ca5dc5d8645c2a4d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201800688 — a six-check JSON result.
コナミック アイスホッケー サウンドトラック (FC/DISK版)
グリーンベレー サウンドトラック (FC/DISK版)
グラディウスII GOFERの野望 サウンドトラック (X68000-FM内蔵音源版)
グラディウスII GOFERの野望 サウンドトラック (SC-55版)
グラディウスII GOFERの野望 サウンドトラック (MT-32 + FM内蔵音源版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e366113a958b79b96f5ec02f77242bd00fec897e7578f9662340d92bb5529d3. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801263 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec695afa3ed14110abe94cf45e526c2d810f17312bbbeed3c9b23b43d08ce99. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801264 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc06d8026ac2c2c3de0c75833f9e06d066ae8e0b0e94ae6455a52cf9e25be204. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801265 — a six-check JSON result.
エスパードリーム2 新たなる戦い サウンドトラック (FC版)
エスパードリーム サウンドトラック (モバイル版・PCM音源バージョン)
エスパードリーム サウンドトラック (モバイル版・FM音源バージョン)
エスパードリーム サウンドトラック (FC/DISK版)
エキサイティング バスケット サウンドトラック (FC/DISK版)
エキサイティング サッカー コナミカップ サウンドトラック (FC/DISK版)
アルマナの奇跡 サウンドトラック (FC/DISK版)
アイドルの妖精伝説 サウンドトラック (FC/DISK版)
SUPER魂斗羅 サウンドトラック (FC版/モバイル版・FM音源バージョン・PCM音源バージョン)
SUPER魂斗羅 エイリアンの逆襲 サウンドトラック (アーケード版)
MSX RACING SPIRIT 3D SPECIAL サウンドトラック (MSX版)
第15章｢ルカの最期｣ ～追いつめる(バトルBGM-ルカ戦)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17a1de4a9de52ffd8dde741b932c688772e111804039f8d10ebae2cacd384e2. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801775 — a six-check JSON result.
第16章｢ティントの山賊｣ ～Gothic Neclord(バトルBGM-ネクロード戦)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4792b29e447867fa75c32a4764e02c7ab68e592f116b9f6dafe38eb51f788efb. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPM201801780 — a six-check JSON result.
迷宮寺院ダババ サウンドトラック (FC/DISK版)
エキサイティング ビリヤード サウンドトラック (FC/DISK版)
魂斗羅スピリッツ サウンドトラック (SFC版)
魂斗羅ザ・ハードコア サウンドトラック (MD版)