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 0xd754b41808883e06b64564195f6356aea8b360d1bd9b481543bcfc45cb6cb11d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f95afc22-2381-4316-b36c-53566a2ef5be.json and https://artists.proofprofile.net/proofs/artist/f95afc22-2381-4316-b36c-53566a2ef5be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Carmen Suite No. 1 (Arr. E. Guiraud): I. Prélude
Orquestra Simfònica de Barcelona i Nacional de Catalunya
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 0x36ba1921ba4e681b91f9ceb7c3cfe55322f742a87b8689812d0bad1281f3d489. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631801.
Carmen Suite No. 1 (Arr. E. Guiraud): II. Aragonaise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f7f08913fabbd0931b4e9dcbc8fb755d25873d42001022bedf64d8bc0751ed. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631802.
Carmen Suite No. 1 (Arr. E. Guiraud): III. Intermezzo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70177b7d33b4f330e0dfa9db1c9d286d352b35f2972e0134942f1f7a42da3751. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631803.
Carmen Suite No. 1 (Arr. E. Guiraud): IV. Séguedille
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5aabf89d7be1e335a9b833f5210c20e425360557d4de2472f825d3c4bb2b24. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631804.
Carmen Suite No. 1 (Arr. E. Guiraud): V. Les dragons d'Alcala
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea73c9c586749d7494e87943ae894752b70aef85d1aba453278b86e9efe87eb6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631805.
Carmen Suite No. 1 (Arr. E. Guiraud): VI. Les toréadors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc908a2c533e5acfa7253436210e55078e6ada8810b4fc81c569a9f8638d054dc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631806.
Carmen Suite No. 2 (Arr. E. Guiraud): I. Marche des contrebandiers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce9f136c7fbb463440ef0b04cb98d37d6a1d2ce922fb748a1adb0361e0644418. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631807.
Carmen Suite No. 2 (Arr. E. Guiraud): II. Habanera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae24bcd860a79083c2573de6d8370b37bc5f17fd103f3f2b1e29d6d27b1270d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631808.
Carmen Suite No. 2 (Arr. E. Guiraud): III. Nocturne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a24f553e6eeb1e662e849558d164df650d03f19973c134e50773c7a8b3fd335. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631809.
Carmen Suite No. 2 (Arr. E. Guiraud): IV. Chanson du toréador
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27009021510933a035200deb47e3238890f190b153d0ae8169d14f310563f76b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631810.
Carmen Suite No. 2 (Arr. E. Guiraud): V. La garde montante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59032d3f406b90ba88c8a92680f714ca0ee42968fa6bf86b4b4fb773d0cd940. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631811.
Carmen Suite No. 2 (Arr. E. Guiraud): VI. Danse bohème
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27cce19314cf145df8665e486995b67df9c257e7b8f93df0ab1f6c6d3205b3f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631812.
L’arlésienne Suite No. 1, Op. 23bis, WD 40: I. Prélude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46052f4271ebb0eefd0bfc64411d9d578de452e4afc637a01aa79142f63d58b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631813.
L’arlésienne Suite No. 1, Op. 23bis, WD 40: II. Menuet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d7adbe8b54fdab9ac0216e67fda7e5918e79e8e14202b8aa3efa4a33c183cc5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631814.
L’arlésienne Suite No. 1, Op. 23bis, WD 40: III. Adagietto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa238c6ce226daa6011a1d19ce140ae79ff2f18751d7c0a841f855276e6c23821. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631815.
L’arlésienne Suite No. 1, Op. 23bis, WD 40: IV. Carillon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7778fb8468e4ea336aa98ed01ee0532962e1533e77eda73d47e6cae03320ff06. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631816.
L’arlésienne Suite No. 2 (Arr. E. Guiraud): I. Pastorale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d339e561ec1e90c1c79418f782d73604820019bf98aef28602549433354bb6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191631817.
L’arlésienne Suite No. 2 (Arr. E. Guiraud): II. Intermezzo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2317cdb3127d5672c2885e6ee6b665da62c1af6530eb21a22b9bd85bb384f2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI191631818.
L’arlésienne Suite No. 2 (Arr. E. Guiraud): III. Menuet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a532382302e069857b61c43b018b4cc91958e7d0e0a16930a83984834dbb11. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI191631819.
L’arlésienne Suite No. 2 (Arr. E. Guiraud): IV. Farandole
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf8683d58a0c72fd3da1dd212aefb10506f6a5ba3892fa32f1c7806f1014371d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI191631820.
Tjeknavorian & Sibelius: Violin Concertos
Violin Concerto, Op. 1: II. Andante cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1449f677155e15081991d70604652bf33fb3067805d98b7ab02121ea2ad87327. 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/DES382010001.
Violin Concerto, Op. 1: III. Allegro con spirito
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1de2252fa766f98b94fea4517ace68b0414b7eeb013b8836b8e3ff066797f86. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), 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/DES382010002.
Violin Concerto, Op. 47: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63407cd818e1c10737920d2848a76330f05153557674b1799c4acd46cde0c749. 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/DES382010003.
Violin Concerto, Op. 47: II. Adagio di molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e266d599673a58f81b131b06ce5eac8aaff2e675b39b8984160b4d2f78359a. 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/DES382010004.
Violin Concerto, Op. 47: III. Allegro, ma non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f0c2f41a76bdf3953b101a45c261a683ed5de46bbfcfb237fbfa8caff64678e. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/DES382010005.
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
Rachmaninoff: Piano Concerto No. 3, Op. 30, Rhapsody on a Theme of Paganini, Op. 43
Schumann: Complete Works for Violin & Orchestra
Granados: Liliana, Suite Oriental & Elisenda
Suite Oriental (Suite Árabe): II. Serenata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5440b47e310538fa4c3341849d181ff99d7b0858050f9c9ff0dff41571de6ffc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191533806.
Suite Oriental (Suite Árabe): III. Marcha oriental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f135e2695b9b134dab4523b772555a9f56008376675ade137a86cdfdf4bd294. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/HKI191533807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a58a15f114a703fd83cadd973a355aa5b103fa655c16b598e441a558bd213e9. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191533809.
Granados: Suite Sobre Cantos Gallegos, Torrijos & Marcha de los Vencidos
Debussy - Poulenc - Ravel & Francaix: Piano Concertos
Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo
Rachmaninoff: Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
Chefs d'oeuvre de la musique classique française
The Essential Barcelona Symphony Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217c67020b33d38755c6c90a9ee5c8f636aba9eed692a0e8889bd3c3ab02fb96. 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/HKI199635812.
Fantasía para un gentilhombre: IV. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07c4b7ffd11461cd5da9945fabf23e10bf17d019a4629dd1040b4809d75cdfb3. 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/HKI191827204.
Valses poéticos: Melodico (Arr. J. McFadden)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c1f30634a9568d5d173adf50edbc6e69cf3d1e16a51fabb0c714c81ec4533a. 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/HKI199610902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0797a46ab3f7532c48923752bf76d31bbc850df4bec2fad02e252bb4250fc94. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191408216.
El amor brujo, Scene I (1915 Version): No. 4, Danza del fin del día
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6d39c0ac25f3f84965a79a05c06f49bdfa1e9c61016e70c8fb92bac74924807. 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/HKI191829904.
Suite española No. 1, Op. 47 (Arr. N. Kraft for Guitar): V. Asturias "Leyenda"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b00a940c0a3cfc239f23bcb78be0a9808f3d649e0c2bf69fc3dd0a95368591. 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/HKI199648001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b286417a51f905b68b3e5e9db0a4ec4757d25268d6bba25a50be6f0399bc04. 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/HKI199201220.
Danzas fantasticas, Op. 22: Danzas fantasticas (Fantastic Dances), Op. 22: III. Orgia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eef7ecebf2f7be9895276df377fb71f2b3e562fe778f53020c0e3df4120f084. 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/HKI190143906.
Heroic Horn: Best Loved Classical Horn Music
PROSPERO Catalogue 2024 - Our Listening Tips I: Composers A - Z
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Concerto for 2 Pianos in E-Flat Major, K. 365: III. Rondeau. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c31b02ef1fa0da927f3fa1052d473bf03b1ac4f66d9e9394161d479f41dd2a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES59G2432103.
Concerto for 2 Pianos in D Minor, FP 61: I. Allegro ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f8b3053dbcd5c6c87b980d10658fbaccabe7f844c3fc3073f4ee302e34eb44. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES59G2432105.