Yukako (written: or ) is a feminine Japanese given name. Notable people with the name include: , Japanese businesswoman , better known as Anri Shiono, Japanese voice actress , Japanese freestyle wre
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867792cfdc7e8faa4eb633ad6ce55e1b79eb2345b384d0d8b3831cfc6d52b381. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/705c0212-3a0c-4556-b7a2-95bcc0e80a49.json and https://artists.proofprofile.net/proofs/artist/705c0212-3a0c-4556-b7a2-95bcc0e80a49.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
のりものだいすき!～車・電車・はたらく車のうた～ キング・ベスト・セレクト・ライブラリー2021
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c8a793b13b5dc4f51caa4f30d2a4e9d03d8883ae1bc070b0607cbdf67cb605. 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/JPKI02016519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727fbf13e4b193e6c48f834af6405da28b9f8285d0bf9434bc13a67891228df8. 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/JPKI09305600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64161ce6cf71ba0f9030d5a57fbb6cd58d18a3a637bd770bfda706a7b96d5413. 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/JPKI00605365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fa86e6ebe83d4f47231768068ee0faa275349074cfb9b7b85f9ddda384093f6. 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/JPKI01014404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc36188bc9d59ecaa2fe1ef1fd857662c06a9abcf8ad74b924bd2eedc075b2ff8. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/JPKI00810614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bf45dd8c96cd5e933e81847f233bd9beded22ed39b144794c327e485a4762f. 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/JPKI00811856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402c7c767b5125c786c0dc9593917609c762324ba71e7fdb6bb6afc48bbe8205. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/JPKI01116646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fe932888b513936a723a6e683cc5d86d810a9b5d4d28cdefa6ba3175c38cb9. 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/JPKI08795330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818b7c53a13551324bc3eca533cfccefbc29a6bffcd86c114305b9e7b402e71f. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/JPKI08589446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb25a09ae036dc87e5a943a17e8f574f27ca3f77314bc3b01b6fe83e27976f5. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/JPKI01116469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8df213cfae3f650381d5fdc8bc036d82fc3181196173c5d66cf3a7b540ac8a7. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/JPKI00811858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f12d501af37cec9770758bf0da5d68507cd977b41aa0bc90a62cba6318d8211. 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/JPKI01116255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x445c595b78914151cd5b587368f1a0a92df70b82bae915995c01ec04c2b39a9d. 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/JPKI00914926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32c1abce1849d83e32c261d922ab2f3dd2cd07d36429ea13174f8e5537053e57. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/JPKI01715219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d73a085f51b909f4df4597c5570af1c6544762f676425722c39769430292e18. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/JPKI02011977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d62aea8d62dcc412b7296f53d8abf506a5d8e33a3b94d291d4a0266d1188905. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/JPKI01311288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe81644e1491531fe3b1e1b31f7afe2724b8a4be2ce0932a63af7da486a6c7b1a. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/JPKI00600744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc14e6a37ff9adab42103bab684683c992130d55e0460b489290e6c326b611ec. 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/JPKI01116648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0dfe19e50c9be53a823fdadf523a413c2eb52e769247bc5839c39b70956093e. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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/JPKI01715187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e7add2135b6b47843cf0cac9519a29c4ca1d59130fc96925e1656578d9796b3. 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/JPKI00811793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eade5a14ca5a4298389c072896507d5aa159bf033357e681a03dc672f3a3320. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/JPKI01119405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe497ba422b0328821aefdf8368caf9eac2ef43e97db2c0358f12794288cfb0e6. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/JPKI00815209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089eedf94bec488a9f9bddc592f76b5292bb18422351b0ce4c8b5e217aff05cf. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/JPKI00915572.