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 0x6bc72d66a8616700529c29ca85ac407e85e91367f4476c7ee971a0f2c62edcab. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4e9f543-d80f-427b-8246-5a4440367485.json and https://artists.proofprofile.net/proofs/artist/e4e9f543-d80f-427b-8246-5a4440367485.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x0e7e43ddb6d1ee57de8f273d5150648a9bff5105aff3a26092c739a6902bc713. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:57:00Z), 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/JPPC01401399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd3b9d3add8c936afc4b2af5c8596344fc8b415e0498c716048ad519be577e8. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPPC01301242.
Darenidatte Cinderella Story (Standard Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8ac1a05431869fb392ddd557def8005d2bd033be2370e1e1d623cda3c7c431. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPC01500727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3af901809d34c03dce5d5fc3e6620d7d72b1737a5e134dd224ced1f12021707. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/JPPC01500846.
誰にだってシンデレラストーリー 通常盤
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4e80fe397751b9f519f766c2e656f83ff456a39b4a3959708d910f99c2d2b2. 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/JPPC01503080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12795b725f1ec1408fedde585495dcf45aa87b0e4871d0bedd10c38595a20adf. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:01:05Z), 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/JPPC01502711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ceb034f1a192116cc91f87c3c0a5f6fee30b1e036991a39f06041c16d6003e0. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPPC01602965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fd9376aef012c57029aad80a78299d74ff0abed33db41b7a2f993a4085f18c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/JPPC01302818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d1878716605129a1bb5c82eaceee0039814c574c23baa5a0da313630ba4e0e. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:53:55Z), 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/JPPC01302820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c39fa03395c96c51b4a67f6dd86fd53b9368fa0e69a2f103c8b90ce3f6ca653. 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/JPPC01600759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401b1aeda4b9583750bcf6822f19747dcc7d21c40c20c8309866456f672a1219. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPPC01301241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d1878716605129a1bb5c82eaceee0039814c574c23baa5a0da313630ba4e0e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPPC01302820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2919d55c8116879dad022019b1ad3cc6c7dbe8d2ee6b744cb01187b5c267505. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:49:11Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01902137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0196f15fc7e48322915d50dd4ad148b691e6c7b1d45f7dc6eae417118641b39a. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC01902240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469a8cc7b043a516fe439af7014bb0c1bb7d16618515f58e42585cb3910aea53. 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/JPPC01902245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9dba1718b8ce4fed145a7692976052d089b875da61217a4df656b30fbe2378. 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/JPZ922308443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b4e9fd932fea1b77d9c24a975f7e3f6bfa27d6292eef12e2cba25527199709. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/JPZ922308803.
TOKYO SKA TREASURES〜ベスト・オブ・東京スカパラダイスオーケストラ〜
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe745246162765b9f84d508320a23b7f7cd1b5d261f97939408f07a29f512ce74. 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/JPB602000615.