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 0x3642850c29dc1fc9416836239f374f31d6f1a5efacf628476a41a54186ee9a9f. 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/cdcd8c0d-2837-44c1-939f-b961527ca540.json and https://artists.proofprofile.net/proofs/artist/cdcd8c0d-2837-44c1-939f-b961527ca540.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
「映画デリシャスパーティ♡プリキュア 夢みる♡お子さまランチ！」同時上映「わたしだけのお子さまランチ」主題歌シングル【通常盤】
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 0x6716abf65da83b8e7228e42e2c4a4e97ab987c6850f864e529af46f703f24623. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPD602200435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769c60f476af93a995e5924406ec133b2e39158670c9b824e4ce07a46f245511. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD602200436.
わんだふるぷりきゅあ！ 主題歌シングル【通常盤】
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09512535f4fb8515efa9c374f824484be25121bdc9c3924fda8c7ddff4b3bd39. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPD602400026.
FUN☆FUN☆わんだふるDAYS！(オリジナル・カラオケ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dc7f5d4d9eeb122afee3d3e1f3be0da658a589a118af9077e4a12a804ee3084. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPD602400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25084c06c8d2122ad05a9c6e06af6fcd421e48aaa697b4e0ab55108479c6dd7c. 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/JPD602400002.
しあわせえぼりゅ～しょん♡ ～こむぎ＆いろはVer.～
わんだふるぷりきゅあ！ 後期主題歌シングル【通常盤】
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb57c1142db82133c25f9818fac7eb3985361ccb608dc31ed187244493a152926. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPD602400334.
しあわせえぼりゅ～しょん♡ ～ユキ＆まゆVer.～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39df2475144b75ccee265a0f0db20b92a841d0d3a4143256719e28ac0a02a058. 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/JPD602400335.
しあわせえぼりゅ～しょん♡(オリジナル・カラオケ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b386a235f321899819d394e4e04184a9d040389acb31464ac6475853e54bbc9. 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/JPD602400338.
しあわせえぼりゅ～しょん♡ ～こむぎ＆いろはVer.～(TVサイズ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf675d0f574e703b08b9811ddee4ecdbdfa3fe78d98a54fcde3f5c07192c2c0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPD602400307.
しあわせえぼりゅ～しょん♡ ～ユキ＆まゆVer.～(TVサイズ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34483cb0f65a7288c765e3eaa28213611fcc204e3df254814245b24804d6d76b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPD602400308.
『わんだふるぷりきゅあ！』ボーカルアルバム ～We are わんだふる！！！！～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e81c43adfc0c2168ae5e22d52742cee425e0445c9cf6932b60ef6bee086b205. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPD602400276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6152f60609a30d707cc2f4009b2809d7a42aa7d731b5eb486b683a23069e1eda. 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/JPD602400280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25084c06c8d2122ad05a9c6e06af6fcd421e48aaa697b4e0ab55108479c6dd7c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPD602400002.
わんだフル・わんデイ～Remix for Moeha Nochimoto Ver.～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405c4138bed771f63b9840d3d7d194e6e4fd9ba4138a6950ac1cac648bc25f3a. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/JPD602400282.
「わんだふるぷりきゅあ！」主題歌シングル(TVサイズ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25084c06c8d2122ad05a9c6e06af6fcd421e48aaa697b4e0ab55108479c6dd7c. 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/JPD602400002.
『わんだふるぷりきゅあ！』オリジナル・サウンドトラック１ プリキュア・ワンダフル・サウンド!!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25084c06c8d2122ad05a9c6e06af6fcd421e48aaa697b4e0ab55108479c6dd7c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPD602400002.
わんだふるぷりきゅあ！ざ・むーびー！
『わんだふるぷりきゅあ！ざ・むーびー！ ドキドキ♡ゲームの世界で大冒険！』主題歌シングル【通常盤】
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23470078ca37bd8b2bb4f6b995beef8c318e1b3e0f2c0500e514ab46103e1f36. 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/JPD602400374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf6d10fd4d4aae34e5a8afe071b15a77a4ce6de477384c41495c69998758769. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPD602400378.
『わんだふるぷりきゅあ！』オリジナル・サウンドトラック２ プリキュア・エターナル・サウンド!!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf675d0f574e703b08b9811ddee4ecdbdfa3fe78d98a54fcde3f5c07192c2c0. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/JPD602400307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34483cb0f65a7288c765e3eaa28213611fcc204e3df254814245b24804d6d76b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPD602400308.
『わんだふるぷりきゅあ！ざ・むーびー！ ドキドキ♡ゲームの世界で大冒険！』オリジナル・サウンドトラック
しあわせえぼりゅ～しょん♡ ～こむぎ＆いろはVer.～（TVサイズ）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf675d0f574e703b08b9811ddee4ecdbdfa3fe78d98a54fcde3f5c07192c2c0. 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/JPD602400307.