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 0xbe64b7076a82b4e2a8236abc0f2946ac678ae349d2aadd0b4b22619adec71c97. Chain 2 (Bitcoin): anchored in block 953627 (2026-06-14T11:43:04Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2ed327c1-9f6a-4ce5-a7a3-6b11e87e7cb1.json and https://artists.proofprofile.net/proofs/artist/2ed327c1-9f6a-4ce5-a7a3-6b11e87e7cb1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
リヒャルト・シュトラウス：オーボエ協奏曲ニ長調他
交響曲 第5番 ハ短調 作品67 《運命》: 第1楽章: Allegro con brio - 2016年 水戸芸術館、コンサートホール・ライヴ
ベートーヴェン:交響曲第5番《運命》 他 (2016年 水戸芸術館、コンサートホール・ライブ)
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 0x00a50d0e93495fe637bc673dd6e66ae90e8eb81ee57f57cf9198f416cb891c0c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPPO01618294.
交響曲 第5番 ハ短調 作品67 《運命》: 第2楽章: Andante con moto - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5ac90d3d53d79d2c1ad873abadc4567cdd7a6b5876013602cfbbf3bd038d8ce. 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/JPPO01618295.
交響曲 第5番 ハ短調 作品67 《運命》: 第3楽章: Scherzo. Allegro - - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7dd5cff02d720012212da388334e657affb88e8c1ee8713df5f3de85bc331f. 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/JPPO01618296.
交響曲 第5番 ハ短調 作品67 《運命》: 第4楽章: Allegro - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98fbc078cfb3b795b80a84aacfe2b8f391e61f326c0fd621119c9f053987d556. 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/JPPO01618297.
交響曲 第8番 ヘ長調 作品93: 第1楽章: Allegro vivace e con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff3a760440898dba308f77e19e15bcaecd1079b7a311051c7538e6ce182a8be. 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/JPPO01507341.
交響曲 第8番 ヘ長調 作品93: 第2楽章: Allegretto scherzando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4485fa18bc90912d7a4279a7a3dd2bb3e38b8fbd9606015f9286c0a2c47413b4. 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/JPPO01507342.
ホルン協奏曲第1番ニ長調 K.412+514（K. 386b） 第1楽章 アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868780694406c8f9afb5c1add7f6153a16cea61031ddbbbf516c913ef2a8128a. 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/JPU901502229.
ホルン協奏曲第1番ニ長調 K.412+514（K. 386b） 第2楽章 ロンド：アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55b62f9878c84f79d0bb1e514356ae5f1564d65a7081256cdc99d4dc9d69e04b. 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/JPU901502230.
ホルン協奏曲第2番変ホ長調 K.417 第1楽章 アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee589fa181266e02d6074ac90fc3bf1e66b43de1ce31c3652c1fb3e7fe2c2d96. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/JPU901502231.
ホルン協奏曲第2番変ホ長調 K.417 第2楽章 アンダンテ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a409fe0afdc3537287e53c8fcbc67dd2ebe93f0bbd8d51e3920750570f6f63f. 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/JPU901502232.
クラリネット協奏曲 イ長調 K.622: 第1楽章: Allegro - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656d6b8b1d6ef3f7132f804f15e1a57d01324d4d2e2452cd69ec6ea2aca6c97c. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/JPPO01618298.
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
クラリネット協奏曲 イ長調 K.622: 第2楽章: Adagio - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd618016d518bc870f51e281b3b258f33dc64e5bcb8f175a2540fb1c938073a. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/JPPO01618299.
クラリネット協奏曲 イ長調 K.622: 第3楽章: Rondo. Allegro - 2016年 水戸芸術館、コンサートホール・ライヴ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741ee2d46a56d355e3f9bd3d16811190609a267d8d34d8a8fc8cd1c3ae5c519b. 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/JPPO01618300.
交響曲 第2番 ニ長調 作品36: 第1楽章: Adagio molto - Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd20b646870863003fc32aaecc9f4164baaaff0aa3a3082d0ef3a3a445f11d77. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/JPPO01507337.
交響曲 第8番 ヘ長調 作品93: 第3楽章: Tempo di Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49eeebb09c7ff4ab266efe555163082b561c7940f18c3554e76b4c469e5f376. 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/JPPO01507343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5853d54f4d0a1bebf1d5069b3f38604214a84aa26689fe9228ad5099d429fde2. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/JPPO01507344.
ホルン協奏曲第2番変ホ長調 K.417 第3楽章 ロンド：アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd20bf6227dbb1a86b4efb069cd634393a4e35e21b49b50c1aaf5caf5c37ad271. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/JPU901502233.