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 0x6530838ca6b19e5f1987ff709b277db1c7f09068f5b734a1c6995a1cd37e9d65. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8196d29a-a777-4cf6-af4f-1358cc29a3a8.json and https://artists.proofprofile.net/proofs/artist/8196d29a-a777-4cf6-af4f-1358cc29a3a8.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Bach, Mozart, Brahms, Grieg, Ravel, Satie, Debussy & Sibelius: Unfold your Mind
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 0x55de50f8d2a30b805834adf3af77f757280be8e919996c64014532ea1588ef2a. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/US5541505406 — a six-check JSON result.
Nabucco, Act 3: Va, pensiero, sull'ali dorate
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb685f736b5e571c2028bb281404e4c6a3b2e7c8ce5cfbe0d0b1700e5331d8d46. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380001838 — a six-check JSON result.
Saint-Saens, C.: Oratorio De Noel / Mendelssohn, F.: Vom Himmel Hoch
Vom Himmel hoch, da komm ich her (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0fec6d6b87251da40dcf2a6deb70ff41944168912b4e07942166bc9ffedd496. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1009971 — a six-check JSON result.
Vom Himmel hoch: Finale: Lob, Ehr sei Gott im hochsten Thron (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b664f3a7889e05e1c89e3f08c1c56317319f83203d6fd9724a31cb1bc920e70. 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/USB8U1009976 — a six-check JSON result.
Wolfgang Amadeus Mozart.: Bassoon Concerto / Concerto for Flute and Harp (Klier, Walter, Zoff, Dresden Staatskapelle, Kurz, Suitner)
Harp Concerto in C Major: I. Allegro brillante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11f0351dd720d18b731997ef3a1d840c52ef005547ceb2a3b28bebde7c766961. 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/DES380006017 — a six-check JSON result.
Harp Concerto in C Major: II. Andante lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f57c9f63a3a8251f05f5ecffdb977bacd2b43a59046681123998ce72e75886f. 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/DES380006018 — a six-check JSON result.
Harp Concerto in C Major: III. Rondo. Allegro agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be4476ff69e1ecc638d06e01476586f6f363acd8019d7c7857517c8b6cea4de. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DES380006019 — a six-check JSON result.
Ibert, Martin, Jolivet & Debussy: Virtuoso Flute Music
Mozart: Piano Concertos Nos. 20-27 - Violin Concertos Nos. 1-5 - Concertos KV 313, 315, 299 & Concertos for Wind Instruments KV 622, 191 & 314- Wind Concertos
Piano Concerto No. 20 in D Minor, K. 466: I. Allegro - cadenza by L. v. Beethoven
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b736fb563a6b3e1f8e7a089fe874fe84017b8d4375ea41235a5420205bfcf3f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012430 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9a7cf26cba3e9f06043e9a84c655862dd338995d71219da7b4f4cea1bc8fcf. 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/DES380012436 — a six-check JSON result.
Piano Concerto No. 20 in D Minor, K. 466: II. Romance - cadenza by L. v. Beethoven
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf54b80cc2789b3a27a5e28a00d29eb5f205d64972acee5e567f9237c7b822dc. 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/DES380012431 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3b865dbdac83d4bdfa930cb313a32ebc2e3ce11a660fe4640a64d02a33f145. 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/DES380012437 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22c6e9dc9435f6a9b293638f39b8e958087085162daeb3bd5b10916a65bdcb25. 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/DES380012438 — a six-check JSON result.
Piano Concerto No. 24 in C Minor, K. 491: III. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afca78ce2b4a5fb47f5603f42245b42702ce4f257019d79fee18f434b311d64. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012444 — a six-check JSON result.
Piano Concerto No. 23 in A Major, K. 488: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c63113b440db7519cc3faa54b5b66ca90e7f0a0573da4665f27bbc160708d6a. 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/DES380006691 — a six-check JSON result.
Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante - cadenza by Andor Foldes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f015274fed80d09dc76234a14a79bef3ccfb7f5a9cdabc2ecd7a6ea4ff2b145. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012434 — a six-check JSON result.
Piano Concerto No. 23 in A Major, K. 488: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a954d5f69df50d55ab14523f77fbc83c0d5cc7835725561922ebb6c27ff1dc8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012440 — a six-check JSON result.
Concerto for Flute and Harp in C Major, KV. 299: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec106cf4c9c8b2f6f69087574abe3379fa3953e0b14ff79f5b56c140e137d6b0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380007119 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7dfabf14e59b0316c68de0c80a1a1aa7d51e8a63e69a883f3f052306475ce1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017021 — a six-check JSON result.
Violin Concerto in D Major, Op. 9: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3adb29b1e7f4bd042476bbfedc21496de6affa005b2c1f2a5407a2ef2dea92. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380008015 — a six-check JSON result.
10 Pieces, Op. 12: No. 7, Prelude in C Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7117e00e8ac774f5f74628010e06c56ecf4e7b46e8b846b5506a6d3325c355. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017022 — a six-check JSON result.
Violin Concerto in D Major, Op. 9: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2febee8232493e810b40042c68c6115f92e8ef0dca982578325e3aff065cd05d. 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/DES380008016 — a six-check JSON result.
Variations Op. 36: Je suis encore dans mon printemps
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1646206218514585acd6dc47def3d035862afc5138e5aa4f580dc986b828d0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017023 — a six-check JSON result.
Violin Concerto in D Major, Op. 9: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf292c3a4f5f75cfd926cc3be789858683340139802df18b1c25b5b3d6b92fe9c. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DES380008017 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe549063b14675358e31574c9b3f981192eacbd4fd3df697a2eeb598bf86f602. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380732016 — a six-check JSON result.
Concerto for Flute and Harp in C Major, KV. 299: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56069af699cb0758c5d08e3b2a4cbbefe64b0d934c7a4939aa54da691533302. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012458 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x310c023927a8982c80b34915ffc1745b6963790d0141140f4aa1805c5ea694f2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017025 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec106cf4c9c8b2f6f69087574abe3379fa3953e0b14ff79f5b56c140e137d6b0. 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/DES380007119 — a six-check JSON result.
Fantasy in A Major, Op. 124: I. Poco allegretto - Allegro - Più allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7474dc02b3e01c3e71080a1b610322ee9d38f9feb630e4f168cbfc759fd1f172. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/DES380017026 — a six-check JSON result.
Concerto for Flute and Harp in C Major, KV. 299: III. Rondo: Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc13394ece9b293afad4b602b9597e4e4e46d3bed0985b8326ee1f9930b40e2d1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380012460 — a six-check JSON result.
Fantasy in A Major, Op. 124: II. Vivo e grazioso - Largamente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21708f80f95ecc3976af5263b2c488b10fe02c9d80634842c985d4d151960b93. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017027 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11f0351dd720d18b731997ef3a1d840c52ef005547ceb2a3b28bebde7c766961. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380006017 — a six-check JSON result.
Fantasy in A Major, Op. 124: III. Andante con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3c0188d2ec934e5f60cc110d340c704aafb44c6989447782104b3a4d480246. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017028 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f57c9f63a3a8251f05f5ecffdb977bacd2b43a59046681123998ce72e75886f. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DES380006018 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb419e803fc064e7d4d68bf5187345b8cdd6c691b88ef95063ae2761e97985af6. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017029 — a six-check JSON result.
Harp Concerto in C Major: III. Rondo: Allegro agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be4476ff69e1ecc638d06e01476586f6f363acd8019d7c7857517c8b6cea4de. 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/DES380006019 — a six-check JSON result.
The Mother, Op. 41, FS 94: The Fog is Lifting
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a56d5da7906f8b2ee300f37e27fc687e519a9fe15bce094567c69bbb746884. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380017030 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd20531b735857e99ab16f2e2d4475a2d347dd55a1796d762ecfe6bd7ebb03c. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/DES380017031 — a six-check JSON result.
Sonata for Flute, Viola and Harp: I. Pastorale: Lento, dolce rubato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda23e16cb4440baff35bfcacd29e0fe05e217995f55e2f8e0a728fee58d516a9. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380009690 — a six-check JSON result.
Sonata for Flute, Viola and Harp: II. Interlude: Tempo di minuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84ac4844f4e93522dcc69f23c56cde9e03c5c9eb52b9c98cf9f75342f573e34. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380009691 — a six-check JSON result.
Sonata for Flute, Viola and Harp: III. Finale: Allegro moderato ma risoluto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48653a1f9e3491af3d59f3c360c9b0407f281d063916bad0af4817f036a744ee. 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/DES380009692 — a six-check JSON result.
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Harp Concerto in B-Flat Major, HWV 294: I. Andante - allegro
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Harp Concerto in B-Flat Major, HWV 294: II. Larghetto
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Harp Concerto in B-Flat Major, HWV 294: III. Allegro moderato
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Concerto for Flute and Harp in C Major, K. 299: I. Allegro
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Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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Concerto for Flute and Harp in C Major, K. 299: III. Rondo. Allegro
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Harp Concerto in C in Major: I. Allegro brillante
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Harp Concerto in C in Major: II. Andante lento -
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Harp Concerto in C in Major: III. Rondo. Allegro agitato
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Harp Concerto in A Major: I. Allegro molto
Südwestdeutsches Kammerorchester Pforzheim
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Harp Concerto in A Major: III. Rondo. Allegretto
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Peaceful Inspirations - Unfold your Mind (In Harmony with Classical Music)
Debussy: Violin Sonata / Cello Sonata / Syrinx / Sonata for Flute, Viola and Harp
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Mozart: Sinfonia concertante in E-Flat Major / Flute and Harp Concerto in C Major
Handel, Dittersdorf & Françaix: Harp Concertos
W. A. Mozart & L. Mozart: Toy Symphony, a Musical Joke
Cassation in G Major 'Toy Symphony': I. Allegro
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Cassation in G Major 'Toy Symphony': II. Menuetto
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Cassation in G Major 'Toy Symphony': III. Finale. Allegro
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Divertimento in F Major 'Musical Sleigh Ride': No. 3, Die Schlittenfahrt. Allegretto
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Divertimento in F Major 'Musical Sleigh Ride': No. 4, Das Schütteln der Pferde. Largo
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Divertimento in F Major 'Musical Sleigh Ride': No. 11, Der Kehraus. Allegro
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Sextet in F Major 'A Musical Joke', K. 522: I. Allegro
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Leopold Mozart: Kindersinfonie / Die Bauernhochzeit / Die musikalische Schlittenfahrt
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Toy Symphony in C Major: III. Finale: Allegro
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Divertimento in D Major "Peasant Wedding": I. Marcia villanesca
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Divertimento in D Major "Peasant Wedding": II. Menuet
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Divertimento in D Major "Peasant Wedding": III. Andante
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Divertimento in D Major "Peasant Wedding": IV. Menuet
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Divertimento in D Major "Peasant Wedding": V. Finale: Molto Allegro
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Divertimento in F Major "Musical Sleigh-Ride": No. 1: Overture. Resolutum - Allegro Maestoso
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Divertimento in F Major "Musical Sleigh-Ride": No. 2: Confusion in the Stables - Allegro - Die Verwirrung in den Ställen
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Divertimento in F Major "Musical Sleigh-Ride": No. 3: The Sleigh-Ride - Allegretto - Die Schlittenfahrt
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Divertimento in F Major "Musical Sleigh-Ride": No. 4: The horses shaking themselves - Largo - Das Schütteln der Pferde
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Divertimento in F Major "Musical Sleigh-Ride": No. 5: Procession March - Marsch - Aufzug: Marsch
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Divertimento in F Major "Musical Sleigh-Ride": No. 7: Procession March - Marsch - Aufzug: Marsch
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Divertimento in F Major "Musical Sleigh-Ride": No. 8: The Sleigh-Ride - Allegretto - Die Schlittenfahrt
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Divertimento in F Major "Musical Sleigh-Ride": No. 9: A Lady shivering with cold - Andante - Das vor Kälte zitternde Frauenzimmer
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Divertimento in F Major "Musical Sleigh-Ride": No. 10: The Start of the Ball - Menuett - Des Balles Anfang
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Divertimento in F Major "Musical Sleigh-Ride": No. 11: The last Dance - Allegro - Der Kehraus
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Divertimento in F Major "Musical Sleigh-Ride": No. 12: The Sleigh-Ride - Allegretto - Die Schlittenfahrt
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The Nutcracker, Op. 71, Act I: III. Children's Gallop and Dance of the Parents
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Sensitive Sounds - Steps in Silence (In Harmony with Classical Music)
Orfeo ed Euridice: Reigen seliger Geister
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4 Elements - Classical Music of Fire, Water, Air and Earth
Classical Music for Children, Vol. 3 - Kinderklassik
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Silent Night: 99 Must-Have Peaceful Christmas Classics
Christmas Around the World: 50 Must-Have Christmas Classics
Beethoven, Rimski-Korsakow, Mozart, Mahler, Debussy, Liszt & Schumann: LUFT
Steps in Silence (In Harmony with Classical Music)
100 Must-Have Christmas Carols and Chants
50 Must-Have Boys' Choir Christmas Classics
Lay Down and Listen - Sounds for the Soul (In Harmony with Classical Music)
Lay down and listen (In Harmony with Classical Music)