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 0x181710fc5c17bfa83b424049fb40a2934256acb041c3cc0cb8832b3a8083de78. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7dd6fdd4-0974-4cf0-bc23-f20543163121.json and https://artists.proofprofile.net/proofs/artist/7dd6fdd4-0974-4cf0-bc23-f20543163121.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
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 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.
ホルン協奏曲第3番変ホ長調 K.447 第1楽章 アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd6a9721ee8a895f3d84f492475edeeefa1f875a21fdd669d45e06ddd997fc4. 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/JPU901502234.
ホルン協奏曲第3番変ホ長調 K.447 第2楽章 ロマンツェ：ラルゲット
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31b272736d8deb83d90bd57af4e7ac205f2f72a07d3a88fa97d3b75a76eca3a. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/JPU901502235.
ホルン協奏曲第4番変ホ長調 K.495 第1楽章 アレグロ・マエストーソ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958569545d43b9915f85cde23561a2416ce17a15d7b3e34fae29afc95a437199. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/JPU901502237.
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.
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
ホルン協奏曲第3番変ホ長調 K.447 第3楽章 アレグロ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2607e34b504384ecf71c834d842b8c3bc034449092d46ef7542c2995979c8c. 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/JPU901502236.
ホルン協奏曲第4番変ホ長調 K.495 第2楽章 ロマンツェ：アンダンテ・カンタービレ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd4be8a91bc706fcb8c43303a417bca00c572bea3f0aa51416f0380a857eba7e. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/JPU901502238.
ホルン協奏曲第4番変ホ長調 K.495 第3楽章 ロンド：アレグロ・ヴィヴァーチェ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac61bcd94e69c34aafb63438c88f4915934398e7940e35f9d6f17432b45e989d. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/JPU901502239.
Brahms, Glazunov, Sibelius: Horn Quintets
Mozart: Sinfonia concertante, Music for French Horn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab52ca34375da61628e4dc31ccbd856a0a783d4d4926fa24eab98e30e2b5adc2. 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/CZA161800900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc833a9a92f7815611f4250974c1cfb027e14bb89eefbf99b684cc1e583decf13. 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/CZA161800902.
12 Duos for 2 French Horns, K. 487: No. 3, Andante - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d57e806af05a36c5375f5267497f5c0a94564842a87e84da2bf1822e927fc35. 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/CZA161800906.
12 Duos for 2 French Horns, K. 487: No. 5, Larghetto - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ddc681dd184b3c6cb628e8a9b9b97068bc0a6169000c1b727a9b9ceccb4172. 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/CZA161800908.
12 Duos for 2 French Horns, K. 487: No. 6, Menuetto - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7218c94c0557bdb5614b53a57196746627188d87b928f6943067f31454a21a8. 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/CZA161800909.
Symphony No. 19 in E-Flat Major, K. 132: II. Andantino grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf898f17e64bd4ad7fd5fac3b59c22e266f8a6c5b79da0bf738dcef343c488664. 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/CZA161800911.
Symphony No. 22 in C Major, K. 162: III. Presto assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec93b35ca8f03942c7965ac7c45932c8a6457ede8bb939ce6a3eb7e61eaa5865. 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/CZA161800912.
12 Duos for 2 French Horns, K. 487: No. 1, Adagio - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd01e4b8590c1d3411cae8384b48d76c845fcc79311e98c3e510031ca2bab682. 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/CZA161800914.
12 Duos for 2 French Horns, K. 487: No. 6, Allegro - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa25e653e6d209add89c963b0de437f0ee370eb0baea1280fc2de1ccb066210. 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/CZA161800919.
Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf22252d9cb2acf4505077264fc110822530f500918f0285e08ef9c0b295156c. 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/CZA161800922.
Adagio in F Major, K. 580a - Arr. in B-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x231425495100d59fb4dd60cad7774569ebc93fd6c552909fd8fc28e6fadad450. 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/CZA161800901.
12 Duos for 2 French Horns, K. 487: No. 1, Allegro - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb70114c002c6f2915fc532ae926495aed7888238c6f76ca121216f0f27e02bb6. 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/CZA161800904.
12 Duos for 2 French Horns, K. 487: No. 2, Menuetto. Allegretto - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e6925a04df4a3e96948176e2bf97f1f6700d39266f90fa8cd5e2d4e70fc97a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/CZA161800905.
12 Duos for 2 French Horns, K. 487: No. 4, Polonaise - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0267865b76146f73cb1c48de2ae20778ed9aa54d1cbe11355d4407c3ba8fc3a. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/CZA161800907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeea6bd97e380a889cce046a6b890131bb1116dcec4f0787a3dafb4cd21e8995. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/CZA161800910.
12 Duos for 2 French Horns, K. 487: No. 2, Allegro - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfe1b83e6c9e814bb2f56deb506bfc575c6624d1a21ad442ce069f41d0196bd. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/CZA161800915.
12 Duos for 2 French Horns, K. 487: No. 4, Andante - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb68ad1132c83f954c673946e04751bc900728dd797ff08a66858c1d2d2b6bdde. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/CZA161800917.
12 Duos for 2 French Horns, K. 487: No. 5, Menuetto - Arr. for Horn and Chamber Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6023a4e7129ed4a371d4c6e3f892bb177c66099600c51bd2371b038b3aa256f8. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/CZA161800918.
Sinfonia concertante in E-Flat Major, K. 297b: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee2dbf2f22a5b585d28be7942ce55c508912363c2617bee916294313b00acbc. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/CZA161800921.
Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2edf08363da476a2f23a49b2aa6a5de7e2440e9eeb2bc8687f315294f7ce38. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/CZA161800923.
Horn Concerto in E-Flat Major, K. 447: II. Romanze. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a63b8632cb1ad619cc01d815d83701ba1a67fae62bb93a61dab1c0c6dece3e. 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/CZA161602249.
Horn Concerto in E-Flat Major, K. 447: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7b7a252ec9ba7bbddccfc4808228b64a0e43c0e498c66781ad3bb8485b3233. 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/CZA161602250.
Horn Concerto in E-Flat Major, K. 495: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801aaf0166a229b39640e3569c791f3cf0c0eb5a6a60e269aa7420d690eeb39c. 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/CZA161602252.
Horn Concerto in E-Flat Major, K. 495: III. Rondo. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2829c2920d017768803df2de2433d7eec75970f25e0efe4e19a7b392ee79b611. 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/CZA161602254.
Horn Concerto in D Major, K. 412: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eeabc52f7fc4f4974643d94e1f0fb76ad74a80db8bdd0612d1d0142e61ed471. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/CZA161602241.
Horn Concerto in D Major, K. 412: II. Rondo. Allegro - Finished by Franz Xaver Süssmay
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f0674b10879fa1b3983ad44214a7e4badd3bbc4c5b64570274cf35314a06165. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/CZA161602242.
Horn Concerto in E-Flat Major, K. 417: I. Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f43423709e85a4f34ca38ab0ad6b9fe705055689d73dce7f19a82c5a144a3a. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/CZA161602244.
Horn Concerto in E-Flat Major, K. 417: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b806d793db5dcbb3562696a58e08dd537198b0fe587df3848e101cc7f86333. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/CZA161602245.
Horn Concerto in E-Flat Major, K. 417: III. Rondo. Piu allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bd6970b87dfac6656c10925f00601926967d98780c624a6f61ca61a5f55a46. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/CZA161602246.
Horn Concerto in E-Flat Major, K. 447: I. Allegro
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Horn Concerto in E-Flat Major, K. 495: II. Romance. Andante cantabile
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Histoire du tango: No. 3, Nightclub 1960
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Suite for French Horn and String Quartet: III. Speedy
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Suite for French Horn and String Quartet: I. Tango
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Oboe Concerto in F Major, BWV 1053R (Arr. for Horn & Orchestra): III. Allegro
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Oboe d'amore Concerto in A Major, BWV 1055R (Arr. for Horn & Orchestra): I. Allegro
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Oboe Concerto in F Major, BWV 1053R (Arr. for Horn & Orchestra): I. Allegro
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Oboe Concerto in F Major, BWV 1053R (Arr. for Horn & Orchestra): II. Siciliano
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Oboe Concerto in D Minor, BWV 1059R (Arr. for Horn & Orchestra): I. Allegro
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Oboe Concerto in D Minor, BWV 1059R (Arr. for Horn & Orchestra): II. Adagio
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Oboe Concerto in D Minor, BWV 1059R (Arr. for Horn & Orchestra): III. Presto
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Oboe d'amore Concerto in A Major, BWV 1055R (Arr. for Horn & Orchestra): II. Larghetto
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Oboe d'amore Concerto in A Major, BWV 1055R (Arr. for Horn & Orchestra): III. Allegro ma non tanto
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Händel. Bach. Mozert. CPE Bach - Berliner Barock Solisten
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Marketa Lazarová: Prozření Markety Lazarové
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Elia Cmiral: 2 Suites for Pan Flute & Orchestra
6 Stories from an Enchanted Garden: No. 1, Meeting Chloe
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6 Stories from an Enchanted Garden: No. 3, Hidden Lagoon
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6 Stories from an Enchanted Garden: No. 5, Tiny Pieces of Memories
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6 Stories from an Enchanted Garden: No. 6, Don't Say Goodbye
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Sinfonia concertante: V. Allegro maestoso
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6 Stories from an Enchanted Garden: No. 2, Garden's Seclusions
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6 Stories from an Enchanted Garden: No. 4, Walk in the Garden
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Concerto for French Horn and Orchestra in B-Flat Major, Op. 91: III. Moderato
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Concerto for French Horn and Orchestra in B-Flat Major, Op. 91: I. Allegro
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Concerto for French Horn and Orchestra in B-Flat Major, Op. 91: II. Andante
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Concerto for French Horn and Orchestra: I. Allegro patetico
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Concerto for French Horn and Orchestra: II. Andante
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Concerto for French Horn and Orchestra: III. Allegro giocoso
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Cuatrocientas Estaciones de Ástor Piazzolla
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Cuatro Estaciones Porteñas: Otoño Porteño
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Cuatro Estaciones Porteñas: Invierno Porteño
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Cuatro Estaciones Porteñas: Primavera Porteña
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Cuatro Estaciones Porteñas: Verano Porteño
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Sonata for Horn in F major: 2. Ruhig bewegt
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Sonata for Horn in F major: 1. Maessig bewegt
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Pokorný, Rössler- Rosetti, Stich-Punto: Horn Concertos
Concerto for French Horn, Timpani and Strings in D-Sharp Major: II. Andante poco larghetto
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Concerto for French Horn and Orchestra in D-Sharp Minor: I. Allegro molto
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Concerto for French Horn, Timpani and Strings in D-Sharp Major: I. Allegro moderato
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Concerto for French Horn, Timpani and Strings in D-Sharp Major: III. Allegro
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Concerto for French Horn and Orchestra No. 1 in E-Flat Major: I. Allegro molto
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Concerto for French Horn and Orchestra No. 1 in E-Flat Major: II. Romance. Adagio non tanto
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Concerto for French Horn and Orchestra No. 1 in E-Flat Major: III. Rondeau. Allegretto non troppo
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Concerto for French Horn and Orchestra in D-Sharp Minor: II. Romance
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Concerto for French Horn and Orchestra in D-Sharp Minor: III. Rondeau
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Concerto for French Horn and Orchestra No. 5 in F-Sharp Major, Op. 52: I. Allegro moderato
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Concerto for French Horn and Orchestra No. 5 in F-Sharp Major, Op. 52: II. Adagio
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Concerto for French Horn and Orchestra No. 5 in F-Sharp Major, Op. 52: III. Rondo en-chasse
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J.S.バッハ：３つのヴィオラ・ダ・ガンバ・ソナタ 〈ホルン版〉
ザ・ニュー・ディメンジョン 新次元 （超絶ホルン 驚異のチェコ・ホルン作品集）
Scaramouche and Other Concertos for Wind Instruments
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ウィーンの森の物語（J.シュトラウス2世）
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ディヴェルティメント K.136～第１楽章（モーツァルト）
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ディヴェルティメント K.136～第２楽章（モーツァルト）
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アイネ・クライネ・ナハトムジーク～第１楽章（モーツァルト）
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アイネ・クライネ・ナハトムジーク～第２楽章（モーツァルト）
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美しく青きドナウ（J.シュトラウス２世）
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ブランデンブルク協奏曲 第3番～第1楽章（J.S.バッハ）
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亡き王女のためのパヴァーヌ（ラヴェル）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f9d148b9df0c892fcc5220f3490fa618ec16caf24af2f7c7e1ecbfde56ce5f. 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/JPVI00649770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dda662001a5abc84100075e9cd8af1be1aceccf55daf80bd98530d686a9776c. 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/JPVI00829040.
組曲「王宮の花火の音楽」～序曲（ヘンデル）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f6e8397413f3689d1179ea2cd69c45dfa6c0810087a25561b1f7f14ff136ab. 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/JPVI01114560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9af7035c6420b867c33fc70bfb4b9938f61ad01c4a9abae8c866b95cba70a8. 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/JPVI08810560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a4ad395a34f37ef7e54715943fe76d89f20060e28069b58d32bd80dc317504. 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/JPVI00535420.
交響詩「わが祖国」～モルダウ（スメタナ）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b20dabf9ff9df53e207f58e6adb36562767d0f85fe614a32a2a7bce7cd6634. 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/JPVI09503270.
交響曲 第８番「イギリス」～第１楽章（ドヴォルザーク）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f5f917596c8aaab7b92dd8080b4fcd0a5a685f9528211b97c6d9253ad4baa6. 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/JPVI00520350.
交響曲 第41番「ジュピター」～第1楽章（W.A.モーツァルト）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49461539b408a9ee5598a6f758f54ff074ad256e9db3e2278374e916114d1cfa. 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/JPVI00542610.
弦楽のためのセレナーデ～第1楽章（チャイコフスキー）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52691054b4c833a933bfa92cc839719601987f3c65c4d2c6cf0421a7111894ca. 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/JPVI08921010.
弦楽のためのセレナーデ～第3楽章（チャイコフスキー）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb281df7be262a01cd1b2fad11cf831b2c464e577a66b74b1f5a9557628c46cdb. 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/JPVI08921040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0a463fa9a043e157d7cc935b309e4d1e1552159bb7f7f0fc6f6918ec699381. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPVI08611110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14da52697d8816da6d67638ec9f50bf42f86800263449283fb3bbbd1ea6c325c. 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/JPVI08610680.
水上の音楽～ホーンパイプ風に（ヘンデル）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e91d71e0f65136f0f976470d28515656f2ebd9a5f6828a79f6635cd2830627d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/JPVI01114530.
「フィガロの結婚」～序曲（W.A.モーツァルト）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf89cf1bae07bf1a53e58b06d0431093cbfa81e5bc9d755505948b65d63e444. 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/JPVI00535370.
「ドン・ジョヴァンニ」～序曲（W.A.モーツァルト）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9157a31d383155e61f3874488a58a361918d552d10d4431da6993dd35d04e2a. 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/JPVI00535400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd290405db501a57fcb569a10a524b29f0c503979e0210570590a8e434fdb19a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPVI00605680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860036dbc7f76be082cdaad12b6e49f7c5cb98633f1bb66c10a883a75423f7a9. 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/JPVI00535410.
「コシ・ファン・トゥッテ」～序曲（W.A.モーツァルト）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7b390e734556a873acdea78645e9818af97e65cc2ffcded3397945dfddf86b. 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/JPVI00908980.
「ルスランとリュドミラ」～序曲（グリンカ）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc0a4aea367cc5c2a4521d891ea54ab4a85bab0992baae58195902f5321ba5c. 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/JPVI00909000.
ライプツィヒ・ゲヴァントハウス管弦楽団
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d4af16d4db008197002224ab3fc3ae94ef5af860cd6ab145454d63143fab421. 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/JPVI07508430.
「ニュルンベルクのマイスタージンガー」～第1幕への前奏曲（ワーグナー）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa629f020f841109cdbb5409b45a66ca7e98fe4c9fba1ea41465c563a77307c63. 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/JPVI08109810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07933990fdb880013ff11368d9762bbf6fed0ba22ea9bc421e62b46a835c8825. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPVI00825480.