Musique Classique Relaxante pour Étudier
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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 0xb89e1120032ef13b33e86faa15921e398c1cfddc4c46ce3a8cfd68c23ea7fd0c. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e2fbe1f-5599-4a1e-bdba-26ce3e3ce8a9.json and https://artists.proofprofile.net/proofs/artist/8e2fbe1f-5599-4a1e-bdba-26ce3e3ce8a9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Musique D'étude Classique : La Musique pour Mieux Apprendre
Claire De Lune - Debussy - Lecture Classique
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 0x3fe46d87376bfdd24999a2f37b623ce480abaa19f5e609666043d31d8e67518e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280461 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3563a42ee69db80393fee59f03331904d0cf2872820f728cd155368c8edc093. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280462 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2462b9b4ed8922b95910f1890dfb0c9b5836574df70a8903e2f5f7e1bd97d929. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280463 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdca750a04a78ad915520c21df23b4e780a225a970bfab1936afc91e3e7867582. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280464 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e80cc16d7cb9072e1750247475850380b8979411f0d1340600aa6d8df23ca27. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280465 — a six-check JSON result.
Für Elise - Beethoven - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d6d6a33b0dde3bd4bdf3205019e5ffdc85e39bae5cbafdde436498e5dea1471. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280466 — a six-check JSON result.
Gnossienne No. 1 - Satie - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed3c2f9d368bc717b97c821d5da835098d4d6b3adce6730d60c70139b508bfa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280467 — a six-check JSON result.
Pachelbel's Canon - Pachelbel - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0524c2eddfc0e2bf6123cc22ab2e2a7b7d42c6422bd99018b1bc2209386e8c9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280468 — a six-check JSON result.
Meditation From Thais - Massenet - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6090c72744419ff39058167ca5b4457bea1a0d13c765dacb1cf34145d5c14d74. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280469 — a six-check JSON result.
Deux Arabesques - Debussy - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06d09f5b8fc315536350a2ce39fb551e999ee5a6629cb7aab50678fe02f00e0. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280470 — a six-check JSON result.
Four Seasons - Vivaldi - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87f6415319bf78df2a8d931e78e2cb02fc81901b86a8c91920125c68738f76e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280471 — a six-check JSON result.
Pathetique - Beethoven - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428416fb988576d19e4d450da06de4ec9a165759a0860648bc020cdc5c8cfd44. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280472 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba4b6d3f3b0dcc09dc3946c9d366fdfdb8d09e47fbdabb045c4ab4eb93d61c85. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280473 — a six-check JSON result.
Ave Maria - Schubert - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d77ffe8b1e68fb2f2b0221abb51d6d17e1a5d9989679ef5204963dfc262682. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280474 — a six-check JSON result.
The Swan - Saint Saens - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437ebd69f1d894aeee23fdb35d26cd124d771a29e27a5e572bc4baf773873580. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280475 — a six-check JSON result.
Brahms Intermezzo No. 2 - Brahms - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16682fa063b4c5975ab4bac0580b609557c3d2395f91ab1155e1cd6e33e60d81. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280478 — a six-check JSON result.
La Fille Aux Cheveux De Lin - Debussy - Lecture Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97bfd3926e8db47480f4f15558645c7b4b431368848557ae7ec4430a167b0e4e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2280481 — a six-check JSON result.
Musique Classique D'étude : Musique Calme pour L'apprentissage
Musique Classique : Musique Classique Pour La Concentration
Étude Classique : Musique Classique Relaxante à La Guitare
Musique D'étude Classique Relaxante : Musique D'apprentissage
Musique D'étude Classique : Musique pour L'apprentissage
Étude Classique : Musique Classique pour L'apprentissage
Clair De Lune - Debussy - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1567927542c6850d5a71bf5dd261cb514d46384fe884f8f1d7a3ae71f271e647. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125748 — a six-check JSON result.
Gymnopedies - Satie - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495e5eb72a17a194f63125e4764766670d7fc4db168e3e462e82d86558580cb1. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125749 — a six-check JSON result.
Moldau - Smetana - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4595944fdeba93883239e9c83e3c81878d0ddea28e0eec84d047be9b3432524. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125750 — a six-check JSON result.
Pavane - Ravel - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a5d6f7f23326065e4feb818758443eb0b4d43ade964cf17548f3642bdad3201. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125752 — a six-check JSON result.
Für Elise - Beethoven - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3803175f75c5dacecc4c29fc365a60d080af266d3341166e744330ae2201b435. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125753 — a six-check JSON result.
Canon in D - Pachelbel - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e3208310bb5e61aa701841e53939547bfe45b79360d2e3c6bc7b1f45da77e2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125756 — a six-check JSON result.
Spring The Four Seasons - Vivaldi - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20b2fb32f30165ada54c92503ad61b17e16219336a9881daab4fac84e0166341. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125759 — a six-check JSON result.
Pathetique - Beethoven - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60644d9fd88f64fbf75004436f8f6d7a022fb2e368a0e6a34ea5cfb2d67787e1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125760 — a six-check JSON result.
La Fille Aux Cheveux De Lin - Debussy - Musique D'étude Classique pour Guitare
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2a500ea14c5fbad1193964abad91689d824909265444812677e1506f7e5fc7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2125767 — a six-check JSON result.
Musique Classique Pour L'étude : Musique classique de Fond pour Piano pour Apprendre et Étudier
Musique D'Étude Classique : Musique pour apprendre, Musique d'étude et Musique Classique pour se Concentrer