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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dca4a06eaaa78f3b3e94d0fc09fa04ca9d97ccddb884ffe0b2cd51d3caca414. 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/d4df41a2-b485-4012-b327-d071ca3fa4d9.json and https://artists.proofprofile.net/proofs/artist/d4df41a2-b485-4012-b327-d071ca3fa4d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
逃走中 ハンター追跡中『Running One』 run for money ORIGINAL COVER INST.Ver
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f1c37b42db242a0f647a9bd840f8772631bf2b3d1ae7a91eb4fc505797353b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861901348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0595761ab051f8bba6b0fe415837488697886335765c440eadb4f2c064182482. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d6d36f9b67676a2b30f06cb4c539b4edca3137fd281549176b4e88b1f2f691. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861400139.
すべてを投げ捨てて…そうだ！旅に出よう Part2 ORIGINAL COVER Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c01168698c850917b2ebe3a2b72f85e1d6ebbd5b1e85317d49f36bbcdb3e1a0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861800892.
AMBITIOUS JAPAN! JR東海 ORIGINAL COVER INST.Ver
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa7bf9f1fe89547ddefad8b462ce5165b8cf42a48a01a432a776f5f62d564e1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861801143.
40代ファンが選んだSLAM DUNK名曲集 ORIGINAL COVER Ver.
運動会といえばコレ！テッパン曲コレクション ORIGINAL COVER Ver.
気分爽快！心をうるおすソフトドリンクCM曲集 ORIGINAL COVER Ver.
バラエティ好きが選んだ番組でよく使われるサントラ Part1 ORIGINAL COVER Ver.
スナックのママが耳にタコができるほど聴きすぎたカラオケシリーズ ORIGINAL COVER INST Ver.
コーヒー一杯分のブレイクタイムCM曲集 ORIGINAL COVER INST Ver.
すべてを投げ捨てて…そうだ！旅に出よう Part1 ORIGINAL COVER Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf71df4c8cf51ee60119643ff6d560d380d2d54ace8476dc44e4dd3867fbffa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861700715.
世界の車窓から（オリジナルカバー）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecede9753bf8eefe6fa664344da0bcbb5088a563fca05ea5291acf8b76c90be3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:36:10Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861300092.
JET STREAMのテーマ Mr.Lonely ORIGINALCOVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b542d1542a987676769cc906ce58314862cf7272bdf22592e67c7e47da62b57. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR862402719.
Another Sky 航空会社 搭乗音楽 ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31b357f93c3b3e97a694fbe225d3b7a6d4957a059ec96a36584b4a54c061480. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR862302687.
お家居酒屋開店！一人呑み専用サントラ Part1 ORIGINAL COVER INST Ver.
【現役ママが選ぶ】子どもが泣き止むメロディー♪ ORIGINAL COVER INST Ver.
保育園・幼稚園で子どもがノリノリになる曲集 ORIGINAL COVER INST Ver.
令和 小学生向け★J-POP集 Vol.2 ORIGINAL COVER INST Ver.
令和 小学生向け★J-POP集 Vol.1 ORIGINAL COVER INST Ver.
【倍速】2022年アニソンカラオケ人気曲 ORIGINAL COVER TIME-SPEED Ver.
【ヒーリング】夜行ポップス ー ロックバンド編 ー ORIGINAL COVER HEALING Ver.
耳に残る懐かしいアニソン10選！ ORIGINAL COVER INST Ver.
【ヒーリング】midnight chill original cover healing ver.
【倍速】人気ドラマ選手権 ORIGINAL COVER TIME-SPEED Ver.
【ヒーリング】2022 SUMMER TUNE ORIGINAL COVER HEALING Ver.
#頭から離れない！ SNSで「今」話題の曲 ORIGINAL COVER INST Ver.
国民的アニメサントラ図鑑 Vol.2 ORIGINAL COVER INST Ver.
国民的アニメサントラ図鑑 Vol.1 ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44bf7bfe9835f41bdfaa71788feb4501de7a3ca9b29f75d75b06c57bdee540ca. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:33:14Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861800969.
こちら葛飾区亀有公園前派出所 「葛飾ラプソディー 」ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d048b35f1eb5b081f03bf528bc135dbfdb3e480789605562b343e94697827a1. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861800880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd97f2eeaea048f23c99a1d7ae6bfb1c737e54ae1e7bec05b94d47268c620f5f. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861500210.
【倍速】秋のイベントにオススメ！大人気BGM集 ORIGINAL COVER TIME-SPEED Ver.
【倍速】タイトルに「色」が入るソングセレクション original cover time-speed ver.
【倍速】KAWAII MUSIC Vol.2 ORIGINAL COVER TIME SPEED Ver.
料理の鉄人 BACKDRAFT ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bd1763ee06b80a3fa64080d336f3d5e8d1fa54123a85eb1c92cf80f07f70d0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861400166.
フンフンフン♪だよ らき☆すた 「らららコッペパン」 ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed4cc1f1eb3873b97a2c11d41c3c7c227cc9be3091857a2dfc2b49e4e97b95c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861600398.
後味スッキリ！ドリンクCMソング ORIGINAL COVER INST Ver.
伊右衛門CMソング Oriental wind ORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f64f81f3f64e4f48f00970fff95f0b73f143da5bdf3dc38cccf6a6599ca87cd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861600467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d30c2ebeb1ee7b0a8546e69d4eb71edb47846e5b2e927cd8e2e3bbd3d63f584. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861800986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0307645a7897f0c9ed0cbe00d44b33336ad06ad6bd8fa8205334727d15f05c06. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861500300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27529e82e895e083369da545bb5e4750f1e258beb20e9440c0c0c57976225b82. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861400156.
【倍速！】朝の準備中に聴きたい！「ドラマソング」 ORIGINAL COVER TIME-SPEED Ver.
【倍速！】あつまれ！どうぶつのテーマ曲 ORIGINAL COVER TIME-SPEED Ver.
ほんとにあった怖い話 オープニングテーマORIGINAL COVER INST Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd2b54ea6176da2b90de7f5417e6af6de7e1b6c96abeede6e08eecb8836a7e. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861400137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93bb526c34c896e69f27e86dfa368e9adb4b201072291a7a2e62bf0b9a56978f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861500330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51786550fd21c76183139f2c9083accf7a29f74ece5e636fa97419b72ba113ae. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR861500338.
ヒット曲巡り！昭和・平成・令和 ORIGINAL COVER INST Ver.
カラオケにオススメ オフボーカル2022 ORIGINAL COVER OFF VOCAL Ver.