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 0x8d1ea4831e442d97fe74420ac7c5f3737bd3072d0415fd7c3afc0d9b0321b913. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11312a77-d1a4-4efc-afcc-e739bca1828d.json and https://artists.proofprofile.net/proofs/artist/11312a77-d1a4-4efc-afcc-e739bca1828d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bonds: Songs of the Seasons: No. 2, Winter Moon
{"copyright_id":"0x2af3e2be81be18d318a36274348101b8b34dfdb9b6945bb4fe14a5aab2fea203","isrc":"GBAYC2300267","name":"Bonds: Songs of the Seasons: No. 2, Winter Moon","registered_at":"2026-06-12T01:41:36Z","spotify_id":"6Ajv8e7KJ86OaJF6ozjC3T","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af3e2be81be18d318a36274348101b8b34dfdb9b6945bb4fe14a5aab2fea203. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Ajv8e7KJ86OaJF6ozjC3T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ajv8e7KJ86OaJF6ozjC3T.
Satie: 3 Petites pièces montées: No. 1, De l'enfance de Pantagruel. Rêverie
{"copyright_id":"0xe12345bbd764f4cdf0dd93bd19f6a4f86be7e1175889584888287502bd390689","isrc":"GBAYC2301258","name":"Satie: 3 Petites pièces montées: No. 1, De l'enfance de Pantagruel. Rêverie","registered_at":"2026-06-12T01:46:08Z","spotify_id":"3G2q8yfdR4fetdt9vGQwN1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12345bbd764f4cdf0dd93bd19f6a4f86be7e1175889584888287502bd390689. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3G2q8yfdR4fetdt9vGQwN1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3G2q8yfdR4fetdt9vGQwN1.
{"copyright_id":"0x28bfade4f31189e27a6243160ec4e7d5dd361e3c67dd4a9a3a2fdf2bff70626a","isrc":"GBPFW2400013","name":"Falconieri: La Benedetta","registered_at":"2026-06-18T11:18:55Z","spotify_id":"5g9RSVu7DgTUY7cBVqAHs0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28bfade4f31189e27a6243160ec4e7d5dd361e3c67dd4a9a3a2fdf2bff70626a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5g9RSVu7DgTUY7cBVqAHs0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5g9RSVu7DgTUY7cBVqAHs0.
Mendelssohn, Fanny: 6 Lieder, Op. 7: No. 2, Erwin
{"copyright_id":"0xffa55635fffc51a92bf2f6bc4913317e11613208a1f4ca6a36465177e03763c3","isrc":"GBAYC2202513","name":"Mendelssohn, Fanny: 6 Lieder, Op. 7: No. 2, Erwin","registered_at":"2026-06-18T11:19:08Z","spotify_id":"5dF1qZTrvAkqsem9D2EkQk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa55635fffc51a92bf2f6bc4913317e11613208a1f4ca6a36465177e03763c3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dF1qZTrvAkqsem9D2EkQk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5dF1qZTrvAkqsem9D2EkQk.
Traditional: Danny Boy (Bill Evans Version)
{"copyright_id":"0x78c4e917b8ceb2ad87556348cd3e97aeaf6859ae3388ac5c43dadde20b62ec35","isrc":"GBAYC2202382","name":"Traditional: Danny Boy (Bill Evans Version)","registered_at":"2026-06-18T11:19:12Z","spotify_id":"6yFJxat7MMRPXzxXBXptiG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c4e917b8ceb2ad87556348cd3e97aeaf6859ae3388ac5c43dadde20b62ec35. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6yFJxat7MMRPXzxXBXptiG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6yFJxat7MMRPXzxXBXptiG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99b6619cd7b9fd82e25cfdc3066939f4344cb95f0268849b570ad3e3851f24c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1uNVXf7mU9UC3hZSSgmhNQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1uNVXf7mU9UC3hZSSgmhNQ.
Mozart: Komm, liebe Zither, komm, K. 351
{"copyright_id":"0x594b23f22f860f1ed78f32e28b76ebdcc816bbbbffdad3272871b28b1d1886dd","isrc":"GBAYC2400044","name":"Mozart: Komm, liebe Zither, komm, K. 351","registered_at":"2026-06-19T04:50:53Z","spotify_id":"22U0tH2zuiPCUHUZWj0YHR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594b23f22f860f1ed78f32e28b76ebdcc816bbbbffdad3272871b28b1d1886dd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22U0tH2zuiPCUHUZWj0YHR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22U0tH2zuiPCUHUZWj0YHR.
{"copyright_id":"0xabf3fae01e3b4da09f2ca5870f390f657ce226a65dfd178667d59818192d3267","isrc":"GBAYC2202384","name":"Moondog: Bird’s Lament","registered_at":"2026-06-19T04:51:44Z","spotify_id":"6HlYHzWkwVc0yk5fYotYuS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf3fae01e3b4da09f2ca5870f390f657ce226a65dfd178667d59818192d3267. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6HlYHzWkwVc0yk5fYotYuS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6HlYHzWkwVc0yk5fYotYuS.
Mendelssohn-Hensel: 6 Lieder, Op. 9: No. 6, Die Mainacht (Version for Flute and Piano)
{"copyright_id":"0x4bf073d92c3adb04d2bbd95190ae6d1768a5f8665bd91d664901e036f7862621","isrc":"GBAYC2300199","name":"Mendelssohn-Hensel: 6 Lieder, Op. 9: No. 6, Die Mainacht (Version for Flute and Piano)","registered_at":"2026-06-19T23:38:42Z","spotify_id":"61FKWptm1xle6WeFhpCDNX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf073d92c3adb04d2bbd95190ae6d1768a5f8665bd91d664901e036f7862621. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/61FKWptm1xle6WeFhpCDNX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/61FKWptm1xle6WeFhpCDNX.
Strauss, R: 5 Lieder, Op. 48: No. 2, In Schwebe
{"copyright_id":"0x64ee29be805af534a71d5ccfeeb31416f3fd1a942d347501bc6a747eb2499123","isrc":"GBAYC2400040","name":"Strauss, R: 5 Lieder, Op. 48: No. 2, In Schwebe","registered_at":"2026-06-19T23:38:12Z","spotify_id":"3rQaOwNlcrf9UFCO7msbN1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ee29be805af534a71d5ccfeeb31416f3fd1a942d347501bc6a747eb2499123. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rQaOwNlcrf9UFCO7msbN1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rQaOwNlcrf9UFCO7msbN1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13183adb8f548871d60a823e19e446a78a69516576d752050555a5e816401ea4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1B0S2M3ylu1DF4AUjQF6fY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1B0S2M3ylu1DF4AUjQF6fY.
Barrios Mangoré: La catedral: I. Preludio saudade
{"copyright_id":"0x43273f553e1c0ca176e23b6ddf50b87b97c7de6ea74cd01554509e12b4c2103d","isrc":"GBAYC1801083","name":"Barrios Mangoré: La catedral: I. Preludio saudade","registered_at":"2026-06-11T02:24:38Z","spotify_id":"0qJS6o566wXcshRN0eN3Fi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43273f553e1c0ca176e23b6ddf50b87b97c7de6ea74cd01554509e12b4c2103d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0qJS6o566wXcshRN0eN3Fi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0qJS6o566wXcshRN0eN3Fi.
Godowsky: Triakontameron, Vol. 3: No. 11, Alt Wien
{"copyright_id":"0xb31f6a627c980c6893cf4408e6033db427fa81a0112294f79650d7fe5ca2384a","isrc":"GBAYC2300946","name":"Godowsky: Triakontameron, Vol. 3: No. 11, Alt Wien","registered_at":"2026-06-20T19:06:27Z","spotify_id":"6wSqSvaoVQ2ldPKRLQo98D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb31f6a627c980c6893cf4408e6033db427fa81a0112294f79650d7fe5ca2384a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wSqSvaoVQ2ldPKRLQo98D.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wSqSvaoVQ2ldPKRLQo98D.
Handel: Semele, HWV 58, Act 2: "Prepare, Then, Ye Immortal Choir" (Semele, Ino)
{"copyright_id":"0x83912b207c7c2ebd444e45dfbcc0769fdf717f4842a8195af794a49a288e0c7c","isrc":"GBPFW2200086","name":"Handel: Semele, HWV 58, Act 2: \"Prepare, Then, Ye Immortal Choir\" (Semele, Ino)","registered_at":"2026-06-20T19:02:57Z","spotify_id":"7bFFMUXX3CMB0VrSuL44UN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83912b207c7c2ebd444e45dfbcc0769fdf717f4842a8195af794a49a288e0c7c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bFFMUXX3CMB0VrSuL44UN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bFFMUXX3CMB0VrSuL44UN.
{"copyright_id":"0x7892784254f4e8ae8d282afc5cecfa7794e4b23e98d66318ff3a3657eca0cf1b","isrc":"GBAYC2203391","name":"Fauré: Dolly, Op. 56: I. Berceuse","registered_at":"2026-06-11T06:04:38Z","spotify_id":"1Qqoy2ij8AgvaYOQZWHfGX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7892784254f4e8ae8d282afc5cecfa7794e4b23e98d66318ff3a3657eca0cf1b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Qqoy2ij8AgvaYOQZWHfGX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Qqoy2ij8AgvaYOQZWHfGX.
Prokofiev: Suite No. 2 from Romeo and Juliet, Op. 64ter: VI. Dance of the Girls With Lillies
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8f71338b4675349630d4a9fc64db42475a665822fe79526e84ed4d2630e467. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4O96YiWpFVujs6MXjrVzjm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4O96YiWpFVujs6MXjrVzjm.
Saint-Saëns: Mélodies persanes, Op. 26: No. 1, La brise
{"copyright_id":"0xd1391ffead2bef063b9348c1b947b54d4157a5b13bcdb0bce7fb8f938d5a9d49","isrc":"GBAYC2301188","name":"Saint-Saëns: Mélodies persanes, Op. 26: No. 1, La brise","registered_at":"2026-06-21T17:46:17Z","spotify_id":"03QDc0MtpI9NUUHHVMAWRs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1391ffead2bef063b9348c1b947b54d4157a5b13bcdb0bce7fb8f938d5a9d49. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/03QDc0MtpI9NUUHHVMAWRs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03QDc0MtpI9NUUHHVMAWRs.
Handel: Messiah, HWV 56, Pt. 1: Pifa. Larghetto e mezzo piano
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2817ec237907f64fff19eb64f827f12b257141f9d3b9e93883007e84ddc0e1af. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0j2ZH33RWh7iTWsyM58ekc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0j2ZH33RWh7iTWsyM58ekc.
{"copyright_id":"0xfb0c56ee52e8c15104174da3186d08b387ecadf42347a31f20ea2f70cc25c125","isrc":"GBAYC2202514","name":"Boulanger, N: Soleils couchants","registered_at":"2026-06-22T19:15:05Z","spotify_id":"3d08jiXyeAnGzGuxOdEWwc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0c56ee52e8c15104174da3186d08b387ecadf42347a31f20ea2f70cc25c125. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3d08jiXyeAnGzGuxOdEWwc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3d08jiXyeAnGzGuxOdEWwc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36770f74b0b003843a90927b56a3982bafa26b8a73306e020fe341a05751ff68. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Awr8pXIUDPFq0rM9COGMJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Awr8pXIUDPFq0rM9COGMJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc55256c062db09bb3bdc194894f91a312975f6b278e05740533b1443370589d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2RLlTfLRpNfPtDh3m74JUV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2RLlTfLRpNfPtDh3m74JUV.
{"copyright_id":"0xbf9f5d00f10835869e02d48989d89e457dab2a0c77ded7e7dd24d35476745c3b","isrc":"GBAYC2301417","name":"La chanson d’Hélène","registered_at":"2026-06-11T05:46:27Z","spotify_id":"0UAdMwN6DSRe7FtclXkMkw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9f5d00f10835869e02d48989d89e457dab2a0c77ded7e7dd24d35476745c3b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0UAdMwN6DSRe7FtclXkMkw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0UAdMwN6DSRe7FtclXkMkw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ecd0b18068790d18f280429ee6db6fe8798ec47c524eb5e228c1dabb922c8ae. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5N2w6IdBdyNzRi868NsmwN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5N2w6IdBdyNzRi868NsmwN.
Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les barricades mystérieuses
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e87c1a556f557a55489f960fecc6e289a46182cb271fa3df9dd2f3077a9756. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LlcWLYqudsn2NebCBBk1x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LlcWLYqudsn2NebCBBk1x.
Handel: Messiah, HWV 56, Pt. 1: Accompagnato. "Comfort Ye, My People"
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Handel: Esther, HWV 50b, Act 2: "Who Calls My Parting Soul from Death?" (Esther, Ahasuerus)
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Lehár: Friederike: "Warum hast du mich wachgeküsst?" (Friederike)
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Once Upon a Dream (From "Sleeping Beauty")
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Ravel: Shéhérazade, M. 41: No. 2, La flûte enchantée
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Bernstein: West Side Story: Somewhere (Arr. Penaforte for Violin and Piano)
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Satie: 3 Gymnopédies: No. 1, Lent et douloureux
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Schumann: 3 Romances for Violin and Piano, Op. 22: No. 1, Andante molto
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Ravel: Sonatine, M. 40: II. Mouvement de menuet
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Legrand: The Windmills of Your Mind (From "The Thomas Crown Affair")
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Liszt: 12 Lieder von Schubert, S. 558: No. 9, Ständchen (After Schubert’s D. 889)
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Schumann: 3 Romances, Op. 94: No. 1, Nicht schnell (Version for Flute and Piano)
Lysenko: Rhapsody on Ukrainian Themes No. 2, Op. 18: I. Dumka (Version for Piano Solo)
Debussy: Petite suite, CD 71, L. 65: I. En bateau
Strauss, R: 5 Lieder, Op. 48: No. 4, Winterweihe
Caccini: Le nuove musiche: No. 8, Amarilli, mia bella
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Ev’rybody Wants to Be a Cat (From "The Aristocats")
Strauss II, J: Das Spitzentuch der Königin: "Wo die wilde Rose erblüht" (Königin, König, Irene)
Daniel Roth Plays the Cavaillé-Coll at Saint-Ouen in Rouen, France
À nos morts ignorés (Les musiciens et la Grande Guerre, Vol. 15)
3 Pieces for Cello & Piano: No. 1, Modéré
Chefs d'oeuvre de la musique classique française
Médée, H. 491: Noires divinitez, que voulez-vous de moy? (Créon) - 1951 Version
16 Waltzes, Op. 39: No. 6 in C-Sharp Major (Version for Piano Duo) [1]
Dinu Lipatti (100th Anniversary Edition)
16 Waltzes, Op. 39: No. 15 in A Major (Version for Piano Duo)
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16 Waltzes, Op. 39: No. 2 in E Major (Version for Piano Duo)
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16 Waltzes, Op. 39: No. 1 in B Major (Version for Piano Duo)