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 0x29bafbd6739391f13dbb767845121bddaf1ca06f3d08a2c38fbc001fa3520b9c. 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/6957f1de-8ba8-4abf-991a-3c3b597c9930.json and https://artists.proofprofile.net/proofs/artist/6957f1de-8ba8-4abf-991a-3c3b597c9930.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
韓流ドラマハープコレクション響
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 → block OTSBitcoinBlock must exist at that height 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 0xc69e48a7501e35a2bc974bf8cf6948dcff3a1fad61d58c7831b975d59d925964. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/JPG101600018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de5638798587c3f915112bdca4108ad123fbda7cc462fd308c02a41b2d2481e. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/JPG101600019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b0bb35b68a3cce91deee032a755f9deeaa04d64835ca45e34b60e14ee427e4. 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/JPG101600020.
スタジオジブリ作品集ハープ・コレクション”弦”
となりのトトロ（「となりのトトロ」より）harp version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e91798c9387d42bbd506c5a283925206df6f5f089be89fa1660851355c49bda. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/JPG101600078.
World Anime Piano Collection 9 Harp versions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8898413095aa5ff6cd0861f6d07daecb5e7cc3302ab8b6289ba5cccf1cf29b4. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/JPG101600304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb12202608348cd6cc41736989ed0b1e47f359d59f4b4345b32f89454515da070. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG101600313.
スタジオジブリ作品集ハープ・コレクション弦2
Studio Ghibli Works Harp Collection Gen 2
カントリー・ロード（耳をすませば）harp version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46bc060ecd20955bf9ede1dda5ebcbe03ccacfbfb3ee850a3ca9e2a83eaa888d. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:03:51Z), 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/JPG101700003.
韓流ドラマ・ハープ・コレクション ”貴”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c04827fad2d71194323d60a41190ed1e4ff1d2a07922074c3404a5db80a74cf. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPG101700086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ccb7087a062fbb72d0e1c086987d991434671adcf59c0515269f4745b6dad65. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPG101700088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4af23f4368723ea84145fc3e3205b67c5edf3558517e48c403cdaabfada0f5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG101700091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a628d7c91cd33e2432c7064cd5703403bf2d816f9061d6dcd26efefb057e92. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG101700092.
アイネクライネ（orig. Kenshi Yonezu) harp version
打上花火（「打上花火、下から見るか？横から見るか？」より）harp version
スタジオジブリ作品集ハープ・コレクション”弦３”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf1d4986124e7b275c7cb2f54f6ea34835ad4fa2e6840e881ad4583c1ca6258. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/JPG101800051.
風の谷のナウシカ シンボル・テーマソングharp version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0576e4e944ca216907411349a2e41c3937a1763a4c23a68703837b63d1e109. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/JPG101800052.
韓流ドラマハープ・コレクション３ ”愛”
スタジオジブリ作品集ハープコレクション音楽童
いのちの名前 (「千と千尋の神隠し」より) - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232359838470b451db926a137ca6ee5dac2be69cdc393d337b20570f86437cce. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/JPG102000407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce25118531157afae1f2a17ea9ffcdde8556a8fb41648f48ceecccef486b577. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG102000413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x790495b8f178c17db19d983c2706afedf234ba186d41a7101254a4f241a2d562. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/JPG102000414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f2ae0fbfabfa1523ddd719b675382d6b74ffe3d25bdca2ff038483a619e90c. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/JPG102100261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fd88810774cbbe4e9935ec19695145fb6819d4e18ef49d6aa40e23cc0b5e08. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/JPG102100264.
人生のメリーゴーランド（ハウルの動く城） - ハープヴァージョン
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c59659f415602d65e8617fec55de410a169e9d608905755dc93968b7545ae0f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPG102201502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05c16e202856b2e79e99f43bdf5dc06ba522cea6e0e1a3aa9d6a0a923babe4f0. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:44:28Z), 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/JPG102502373.