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 0xd9c30b8aa0a802b04abdd8d55ac3e9877dbaf362047b88f517c67cc6064f8e26. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eeaaa2d2-461e-4dc5-b0f8-dbe2e1f7ea64.json and https://artists.proofprofile.net/proofs/artist/eeaaa2d2-461e-4dc5-b0f8-dbe2e1f7ea64.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Brahms: String Quartet No. 1 in C Minor, Op. 51 No. 1: I. Allegro
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 0xc3941e1c6d431070a8b539b5c4c149f3e859bf43ab0c38f7bdd43a8ede02ea35. 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/GBAYC9102583.
Brahms: Klarinettenquintett, Op. 115 & Streichquintett Nr. 2, Op. 111
Brahms: Clarinet Quintet in B Minor, Op. 115: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x784e4d4b5863caee5b856411c1f61873aa664672c054d77d5bf8a19bb3e1e5ab. 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/GBAYC9802552.
Brahms: Clarinet Quintet in B Minor, Op. 115: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dcd5a6a2525cba493c719eec2e1d06b6ca0fe5f6d3907c1e4d9a2593c04d9e3. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/GBAYC9802553.
Brahms: Clarinet Quintet in B Minor, Op. 115: IV. Con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ffda6f82ecc0dfef9b32ad82e021dccf5c384a2f5ad615de443e4efc8d1e99. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/GBAYC9802555.
Brahms: String Quintet No. 2 in G Major, Op. 111: I. Allegro non troppo, ma con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c8248d095638b08677f25b26c0f9aac1fc64c271b688289f84ab745555ff54. 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/GBAYC9802557.
Brahms: String Quintet No. 2 in G Major, Op. 111: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6109c21582466cf0977b7139123cfd526850951f15fbf5826d2944339c6b141. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802558.
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
Brahms: String Quintet No. 2 in G Major, Op. 111: III. Un poco Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd9ef893cec5bbbb5f09f78996de80cb1f0623664855162b3949443f5afd59a. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802559.
Brahms: String Quintet No. 2 in G Major, Op. 111: IV. Vivace ma non troppo presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x166cc14ea1bf39aace69570658b4d33160dbfd12e3531b9266510b7e38d44245. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b04e0419910d66254626274858b5bc74807d0b1c0eac45bda79b555853d4528. 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/SEAEV1456010.
Haydn: Die sieben letzten Worte unseres Erlösers am Kreuze - Mozart: Quartett KV 370
Bach: Sonatas for Viola and Piano, BWV 1027 - 1029
Ich ruf' zu dir, Herr Jesu Christ, BWV 639 (Arr. for Viola and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75069e6848f0ffaccd44ad13971b257be4087f8f4ca52145e7c02683209032b7. 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/DEA141166011.
Stamitz, C.: Viola Concerto, Op. 1 / Hoffmeister, F.A.: Viola Concerto in D Major / Zelter, C.F.: Viola Concerto in E-Flat Major
Mozart: Flute Quartet No. 1 in D Major, K. 285: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7d75ce7fb7df81ed69e5058c9d52925780f95b9be7138f1462ba4fed91f1848. 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/GBAYC9901372.
Mozart: Flute Quartet No. 1 in D Major, K. 285: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x140424a618ef82b8d373b037c9d13e25960946b67d455de880899f77453f1964. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-21T09:07:43Z), 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/GBAYC9901373.
Mozart: Flute Quartet No. 1 in D Major, K. 285: III. Rondeau. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fbfbbfbe800318f1003d58e3ab0a57cd91d9eb7560e213d6440c658bd505b39. 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/GBAYC9901374.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (b) Variation I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2556c741159f08568a33323e6d0df45c8403dc3fa3c8cebd05ec8ab5d8c3a64. 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/GBAYC9901381.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (c) Variation II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1f74c4c0d172328026ae3ee7f5e80995276346ccbbb5485ebbbd1d532516c6. 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/GBAYC9901382.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (d) Variation III
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1319691a5980e7939c36aedb34cb54d0eda15c76424f87d2a7afda8b952bf1. 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/GBAYC9901383.
Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (b) Variation I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b3c51cf3fd8f527af4d85c13c1ccc259c70ef5b54f4a50d82a0563b9bcfebc. 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/GBAYC9901389.
Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (d) Variation III
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a7640bf5c4a503dfba2bee7628ec9b80e8688f36742bd48e2ccea6b214309a. 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/GBAYC9901391.
Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (e) Variation IV
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1543447522c430be77f20ccb99bc1eee32ddea4537c66396a1915005f894129. 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/GBAYC9901392.
Mozart: Flute Quartet No. 4 in A Major, K. 298: II. Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc2695195c6e1689420b03fecc135a7e96bad58ac1652c1d558f8863bf241dc. 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/GBAYC9901393.
Mozart: Flute Quartet No. 2 in G Major, K. 285a: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x455ade059ee37956bc28d5d885e72d4c766e7231933502d42857c03b4605c000. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9901376.
Mozart: Flute Quartet No. 2 in G Major, K. 285a: II. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c1ddff1d9566d7b6ec8dde2ea8fe7d43de73376600ed078986b2b98dfd160a. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/GBAYC9901377.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08ebe487f62acc2f726f547e9dceb342e5b8a88aa9ba910789a02424705ea1fd. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/GBAYC9901379.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (a) Thema. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb36c9d4222c3014534dd185870aff466614ae6652725ebb99348a7c0a4cee2. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/GBAYC9901380.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (e) Variation IV
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255d4ccdb53904d9178ecf8e317eabfc779cfa563b45aa918d2919c26b17cc3a. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9901384.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (f) Variation V. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c7c839621a75b94afa392e50ba4cfb1a35a2cce1cf06c2a5c86df2f5c0560b. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/GBAYC9901385.
Mozart: Flute Quartet No. 3 in C Major, K. 285b: II. (g) Variation VI. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda7b2716ddb0ae0309327fa362172b170308f77f4ae80e4dee160f44f706b67. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/GBAYC9901386.
Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (a) Thema. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f872db925289479ee563cec9e5e5e8d798918a757993863f7a60beba3652483. 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/GBAYC9901388.
Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (c) Variation II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6864f4793a436f524f4a8c35623e8ee90070a3ac104a3ce95aa7fe7d99e1bc. 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/GBAYC9901390.
Mozart: Flute Quartet No. 4 in A Major, K. 298: III. Rondeau. Allegretto grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0333e6b6e5f0b962565f910948f59323fe2728e924a2aa0eade159011b62364d. 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/GBAYC9901394.
Mendelssohn: Trio for Violin, Viola and Piano - Sonatas for Viola and Clarinet
Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbaca33b1f9e66a4b98533233eb88f124f30672c0265338688f251072ad51585. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8702055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x398339c28a2d9052b93e13797ae2ec5a6cb5907c5db8c9c990c981e2235281f2. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8703951.
Beethoven: Septet in E-Flat Major, Op. 20: III. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0163f05543fd56e5e05e68a1a3664c5f7e283b68247bd3b8a2d875725715f7. 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/GBAYC8905310.
Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704ad320533e69c2a0b88149e514de3f4b731c7c66bd7fa9f119eaac029ad10c. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003261.
Mozart: Eine kleine Nachtmusik, K. 525: III. Menuetto. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x900acaf4374ac5eafa6bf49142c0f3409e8a0c07e2047c6132f96851ff66bbc6. 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/GBAYD8800034.
Beethoven: Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa453bec7e836726f58c8f308286e986ba3481cbad7e332f883076e0fe6b0200b. 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/GBAYC9903853.
The Earle of Essex Galiard from Lachrimae, or Seaven Teares
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14673a31b54348a4cb88d5067bba72cc1b65c4e96a9ec247742d3f90bd92c541. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBAYC8901233.
Mozart: String Quintet No. 4 in G Minor, K. 516: III. Adagio ma non troppo (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1474b379d8a5310caae55fc40060ccf314908d1583c4bd0666db4c6c1414a9f. 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/GBAYC8603295.
Haydn: String Quartet in C Major, Op. 76 No. 3, Hob. III:77 "Emperor": II. Poco adagio, cantabile (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30249db28bf911006443b4cf0367501065b2ac2b749a4d032da5a257dff45ffe. 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/GBAYC9403253.
Beethoven: String Quartet No. 1 in F Major, Op. 18 No. 1: II. Adagio affettuoso ed appassionato (Excerpt)
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Mozart: Divertimento No. 17 in D Major, K. 334/320b: III. Menuetto - Trio
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Beethoven: Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto (Excerpt)
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Beethoven: String Quartet No. 4 in C Minor, Op. 18 No. 4: III. Menuetto. Allegretto
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Boccherini: String Quintet in E Major, Op. 11 No. 5, G. 275: III. Minuetto
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Beethoven: Piano Trio No. 5 in D Major, Op. 70 No. 1 "Ghost": II. Largo assai ed espressivo (Excerpt)
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Beethoven: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto (Excerpt)
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Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
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Haydn: String Quartet in B-Flat Major, Op. 76 No. 4, Hob. III:78 "Sunrise": I. Allegro con spirito (Excerpt)
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Schubert: String Quartet No. 13 in A Minor, Op. 29, D. 804 "Rosamunde": II. Andante
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Lachrimae Antiquae from Lachrimae, or Seaven Teares
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Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": I. Allegro
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Schubert: String Quartet No. 14 in D Minor, D. 810 "Death and the Maiden": II. Andante con moto (Excerpt)
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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Mozart: Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro
Stockholm Chamber Orchestra/Franz Welser-Möst
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Mozart: Serenade for Winds No. 10 in B-Flat Major, K. 361 "Gran partita": III. Adagio
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Mozart: Serenade No. 6 in D Major, K. 239 "Serenata Notturna": I. Marcia. Maestoso
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Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Bach, JS: Musikalisches Opfer, BWV 1079: Sonata sopr' il soggetto Reale. IV. Allegro
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Gluck: Orphée et Eurydice, Wq. 41, Act 2: Danse des ombres heureuses
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Mozart: Flute Quartet No. 1 in D Major, K. 285: I. Allegro (Excerpt)
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Waldszenen, Op. 82: VII. Der Vogel als Prophet
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Albumblätter, Op. 124: No. 6, Wiegenliedchen
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Cello Concerto in A Minor, Op. 129: III. Sehr lebhaft
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4 Motets sur des thèmes grégoriens, Op. 10: No. 1, Ubi caritas
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Mozart: Das Beste - Klassik die man gehört muss
Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
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Die Playlist für Ostern: klassisch & festlich
Hintergrundmusik zum gemütlichen Osterfrühstück