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 0xc9f0aff65e3b9b48160341783b0096d97a8c7d1e0e4a3a58d9c512b992a837c5. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f5af6dd6-c397-4d5c-81cd-4e34ad1df64e.json and https://artists.proofprofile.net/proofs/artist/f5af6dd6-c397-4d5c-81cd-4e34ad1df64e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
gocyuumonwausagidesuka birthdaysongseries (07)
ご注文はうさぎですか??キャラクターソロシリーズ (04)
ご注文はうさぎですか?? キャラクターソングシリーズ (08 青山ブルーマウンテン&モカ)
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 0xa1d71fb87f4381ab42e48c11b24753f26ff86cf0e2d84acdd1c950fa84dd8609. 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/JPPI01651580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2720c6a939c413311bbe669008be3b76a990c1e40039d2f2c8a95719debde8c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPPI01651308.
｢ご注文はうさぎですか？｣キャラクターソング・セレクションアルバム／order the songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fc41859df9bed9c410fe43f6ed021d19f570afc1bb9cae6bbecbddd92eea54. 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/JPPI01751550.
｢ご注文はうさぎですか？？｣キャラクターソング・セレクションアルバム／order the songs (2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a43017a8539465688eb7afd11ad81663c1914e5fc8a55474a38233bb86a25e2. 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/JPPI01650680.
お手伝いのラララン添えはいかがですか?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff70168e668593bc066b3d7172823da1061b5adcaa4c7155fdcec70d4b4d0127. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPI01650670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93e3aa6c3c220cfde4bb5d415bd036c6cf046c719e0d6375dbeb2fdefd5ea99. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPI01650570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0519a4dc66c91282d83fc4d588abbbe85dbb0fad156c4cef9c005eeae6b2cf14. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPI01554610.
Gochumon ha usagi desuka? Rearrange&Cover Album
Honjitsu ha makotoni RARIRUREIN - Rearrange
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x767a1b3d33c98bf1bed8d1e27f3a858ba29789690a5ce5d179aabe4d900e99f4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPPI01650681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd37d6fe871800b9787e1d45999cf7bd609c14c89d6451e57a533c387dd90da. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPI01452681.
Gochumon ha usagi desuka? Ballade song album/Blende of Letters
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297008b1ee7f2aa0fda09ae29ed345926286dd5cccff6d919bb203ddb1621b25. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPPI02050140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb76babee6b482994991456d0f461b35ec10ec2a37caa14dcc082e8f63e29a56. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPPI02050160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0695d53cd04db42e81df44596618a6d1fb945fd0c209b712eacd28528f5a0e92. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPPI02050190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68779ccb27f156b4e89afa0818c3d981bc0217a141caa9b4c4bba1936dd3946. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPPI02050200.
ごちうさブレンド TVアニメ｢ご注文はうさぎですか？｣キャラクターソングアルバム
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565282df7c1c25fed1e12f2ff26879ad65fa7d88d2b06c329573ff0b4caf4336. 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/JPPI01452680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d0b9a49a81751b71eec95a54ce17a861ac3134b887b9b682b517c9453fcab7e. 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/JPPI01452690.
｢ご注文はうさぎですか？？｣デュエットソングアルバム
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55aed73f4207774f2c98a93127944440679900d821c988d3a8855b9d930ec74. 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/JPPI01753120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fc38ff356dfa526d98e5f4a573298a1582daf3788ce21d145530d723a0dacf. 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/JPPI01753150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac14309c28064001de65f19f4ef35af663111935606f26c0b97767033f1808ef. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPPI01753160.