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 0x7e251a12fef707423383f77921ab7fd54035090d8ede953f3d1fd15dcce67c94. 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/e570484a-454a-4048-a4d4-3cb8a677634c.json and https://artists.proofprofile.net/proofs/artist/e570484a-454a-4048-a4d4-3cb8a677634c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
｢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
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 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.
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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23714de2c2ec3a0f35dc36e5d67371d0f1826ae78ff81ee8f4417335a87f3c2. 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/JPPI02050280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05a8425620b00430f0ccf54ea2e7e2e5d900f91b743b2101201c597e4f90783. 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/JPPI02050281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cdbf0891027e9913e34d1dcc52fd7ad6663c7c61dd3341523050cda408d41af. 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/JPPI02050282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85da2598f0d0e8d50b6ec5a8921a0b000272b82c6f30bc8594af1aba01b403a. 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/JPPI02050285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f46a0eeb59a901ed8a503a08970385e80cc2d713430c3e32d89fc7491ac1e48. 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/JPPI01501170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d6fed7273559f007e24ad871f24939e2fd58d3b9f011f419dad7e8392242dd0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:46:53Z), 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/JPPI01501180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03875709c7a03360879d601eefaee57846b02010bffdb6232bcc19a3af4b2be2. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/JPPI01501172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc1158dcf5b74b322cb6cdf4ce421d2a5ccd67257e3d846e98360c6c0253f58. 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/JPPI01501174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d521ede5df2da87d43a858baac08531cc134e48beb7be85656f5b3189ba49d. 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/JPPI01551540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa22601d3fd008ce599fb4c556be1f41b037cfb7bb400d2a3e3857d25e5f3de17. 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/JPPI01551550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8903211c37993bb158a2546d9fe0a10743f39e0e44ea30cac93880a2defed2ca. 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/JPPI01551560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9781ee9860c37a6c4c84c50f0163938a92eea3b85cdb2776f3159e256b9e956d. 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/JPPI01450380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bc4f571c728d0d6623f6fdc84b224a8adf37a599eb45dfd512866d4015ea4fb. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPPI01450390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf168ef7736b6b4766a73a04b9733ef25e4e151633d225ffa6dd0471099323581. 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/JPPI01752570.
[Is the order a rabbit?]Main Theme (Re arrange)
｢ご注文はうさぎですか?｣リアレンジ&カバーアルバム
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee83628adc3f41c6fb7576a6b0d7ccb74ab2345a160e7e5d31ade2f3aec3b804. 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/JPPI01551542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x767a1b3d33c98bf1bed8d1e27f3a858ba29789690a5ce5d179aabe4d900e99f4. 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/JPPI01650681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfea670cbd6559e288b1ccc9f376da264cd3a6f3552711dc2ff4aa412e396526. 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/JPPI01451782.
お手伝いのラララン添えはいかがですか? ～Rearrange～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfead514caf68a86e64a9043074bd067aa94bad154c77ac0e6e3ca032fdb3460c. 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/JPPI01650671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a251a79118062e1d65739ae34dba028f1b6308a7ac4a2391687c6db014aa033. 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/JPPI01452671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc70cb9970b27e321ff6b830d254020880db08a2c16ff4250c6382ee30dfd3202. 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/JPPI01651282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc76ca31d91bf2d0c77389a4708d3d71e6932231123d8e3b3cede16c672c637b. 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/JPPI01551962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374f75aaa42f9889e3b98081bfb59aae57828a49e2175cb921a01dc37c7b78fc. 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/JPPI01653102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc7f3883e1ddaf29c632f2f701dcb065644b7c8d8fdade08450f667f722fb40. 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/JPPI01501181.
「ご注文はうさぎですか?」メインテーマリアレンジ