1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b97176f8b7bb6dc469480295af4db554fb88edb13c73d9d34bf3c864bb7c08. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f09866d-614d-4c90-8cb9-d281d9a00d27.json and https://artists.proofprofile.net/proofs/artist/4f09866d-614d-4c90-8cb9-d281d9a00d27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eliasson: Horn Concerto / Violin Concerto / Desert Point
Horn Concerto, "Farfalle e ferro": I. Risoluto
Horn Concerto, "Farfalle e ferro": II. Lento
Horn Concerto, "Farfalle e ferro": III. Presto, leggiero
Rendez-vous 5 "Le chasseur et la nymphe"
Suite for Horn and Harp: III. Larghetto (Dark River)
Suite for Horn and Harp: IV. España (Five-Ole)
Duvernoy / Dauprat / Boieldieu: Music for Horn and Harp
Nocturne No. 2 in E-Flat Major: I. Allegro assai
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 → block OTSBitcoinBlock must exist at that height 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 0x002507411d83a86db606ef4b8cfbf3fb32f9773317e95c5a5dccd95612cd93d2. 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/SEAEG9348010.
Nocturne No. 2 in E-Flat Major: II. Andantino
Nocturne No. 2 in E-Flat Major: III. Allegro
Horn Sonata, Op. 3: II. Andante - Variations I-IV
Variations on a Scottish Air, Op. 22: Introduction. Adagio
Variations on a Scottish Air, Op. 22: Andante - Variations I-V
Nocturne No. 2, "L'echo": I. Introduction. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2fb052016e08be18fd1892b86eb94295b4571f02fe88456f036b1fd718584d. 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/SEAEG9348120.
Nocturne No. 2, "L'echo": II. Allegro moderato
Nocturne No. 2, "L'echo": III. Theme Italien: Allegretto - Variations I-III
Horn Concerto: III. Allegro con spirito, quasi presto
Horn Concertino, Op. 45, No. 5: I. Allegro moderato
Horn Concertino, Op. 45, No. 5: II. Lento cantabile
Horn Concertino, Op. 45, No. 5: III. Allegro vivace
Horn Concerto in A Major, Op. 28: I. Allegro pathetico
Horn Concerto in A Major, Op. 28: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d4aa62da3a0237b6cd9b2e25a7af300ef7741e3eb1edfd1769c4b5cdfb6b88a. 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/SEAED8776100.
Horn Concerto in A Major, Op. 28: III. Allegro molto
Sonnet XVIII "Shall I Compare Thee to a Summer's Day"
Pieces for Pontus: No. 1, Secret Theater
Pieces for Pontus: No. 3, Seductive Games
Horn Concerto: I. Misterioso. Allegro energico
Flute Concertino, Op. 45, No. 1: I. Rondino: Allegretto grazioso
Violin Concertino, Op. 45, No. 8: I. Allegro moderato
Flute Concertino, Op. 45, No. 1: II. Arietta. Andante tranquillo
Violin Concertino, Op. 45, No. 8: II. Cavatina. Andante con moto - Tranquillo
Flute Concertino, Op. 45, No. 1: III. Finale. Allegro vivace
Violin Concertino, Op. 45, No. 8: III. Finale. Allegro vivace
Oboe Concertino, Op. 45, No. 2: I. Allegro risoluto
Viola Concertino, Op. 45, No. 9: I. Moderato
Oboe Concertino, Op. 45, No. 2: II. Andante espressivo
Viola Concertino, Op. 45, No. 9: II. Andante espressivo - Allegretto - Andante espressivo
Oboe Concertino, Op. 45, No. 2: III. Finale. Allegro moderato
Viola Concertino, Op. 45, No. 9: III. Finale. Allegro - Moderato - Allegro
Clarinet Concertino, Op. 45, No. 3: I. Allegro
Cello Concertino, Op. 45, No. 10: I. Allegro moderato
Clarinet Concertino, Op. 45, No. 3: II. Andante
Cello Concertino, Op. 45, No. 10: II. Siciliano: Andante sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305bf2f8139da336f91ccf2255ede587539532a7f3f6392835684fb5866225e1. 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/SEAEE9174080.
Clarinet Concertino, Op. 45, No. 3: III. Finale. Presto
Cello Concertino, Op. 45, No. 10: III. Finale. Allegro moderato ma ritmico
Bassoon Concertino, Op. 45, No. 4: I. Allegro moderato
Double Bass Concertino, Op. 45, No. 11: I. Ballad. Moderato
Bassoon Concertino, Op. 45, No. 4: II. Larghetto
Double Bass Concertino, Op. 45, No. 11: II. Arioso. Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb00d6c65517f1eba9b2c7eb5a4fb5624d4ea9c3b84ba43ae2d1b2c3e4f965d6. 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/SEAEE9174110.
Bassoon Concertino, Op. 45, No. 4: III. Finale. Allegro molto
Double Bass Concertino, Op. 45, No. 11: III. Finale. Allegro vivace
Piano Concertino, Op. 45, No. 12: I. Allegro molto
Piano Concertino, Op. 45, No. 12: II. Andante con moto
Horn Concertino, Op. 45, No. 5: III. Finale. Allegro vivace
Piano Concertino, Op. 45, No. 12: III. Finale. Allegro scherzando - Andante pastorale - Allegro molto
Trumpet Concertino, Op. 45, No. 6: I. Allegro moderato
Trumpet Concertino, Op. 45, No. 6: II. Ritornell: Andante semplice
Trumpet Concertino, Op. 45, No. 6: III. Allegro risoluto
Trombone Concertino, Op. 45 No. 7: I. Preludium: Allegro pomposo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32954455a1af176f5ad792c85c5ba52769f4931208c44fd6fbf173c5d9d7d32. 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/SEAEE9173190.
Trombone Concertino, Op. 45 No. 7: II. Aria. Andante sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556c57487ceecfc287a156dcd230977cc29e33c2b8fb82f6e72f8727c4ebf5d0. 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/SEAEE9173200.
Trombone Concertino, Op. 45 No. 7: III. Finale. Allegro giocoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3d5a1d30541595e91b306e9744718804c920d0c4a7d145aab617677163e3cd. 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/SEAEE9173210.
Gud bor överallt - visor från Italien och Frankrike
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf141782c4ce57430391744e6f8c7cc2822cd8d6cf13d7a81858ff6d8e1abb12b. 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/SEAGA9535170.
Horn Concerto in A Minor, Op. 28: I. Allegro pathetico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5cd7214c9956a8b03ffb30e17564d75827b516f20a50c97082c71036ae819ee. 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/SEAGA8816040.
Horn Concerto in A Minor, Op. 28: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9c4b1d41b317957a9e2b437b2651c8bcf86900d222189dfc576e127f057976. 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/SEAGA8816050.
Horn Concerto in A Minor, Op. 28: III. Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd08601cf687e1d0c10b2c2e067be079ec0d5e1e3f31b00abb8a3f04c3cc636ff. 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/SEAGA8816060.
Vallåt från Mockfjärd efter Anders Frisell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07eede68041c4206b7921e01abb466e6b93dc8541e3bf128ea0b2af3d634a8bd. 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/SEAGA9535180.
Horn Concerto, Op. 70: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b57d49499f0d888d69f796140b333348050283293935a6de3f353f8fadcc0f. 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/SEAGA8203020.
Horn Concerto, Op. 70: II. Andante sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0096fcaac7814e94c74c485223f8d2f4983f386a3ad4e610999e18c0d68f8c1. 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/SEAGA8203030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630beaf9d28d6573a80d968c9426586f55f573d49158b87d989a4ac49978fed1. 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/SEAGA0623110.
Conertino No. 5 for French Horn and Strings, Op. 45 (1955): I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8eaacc79badf1b1b7d7f70ee1b3b698ad14c8c7f4be52ef09fea51611fc8390. 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/SEAGA9511070.
Conertino No. 5 for French Horn and Strings, Op. 45: II. Lento cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e4d6eb50729c7220c19ac031fc9ee03533eb83fe03d8bf9e4c60e04eb84896. 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/SEAGA9511080.
Conertino No. 5 for French Horn and Strings, Op. 45: III. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b8a8caf182e63c9a339780a0d4df0a51f5c8b84eda4081759729559acb2907. 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/SEAGA9511090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d12e19c84a4edac24a8937c43c75d326e5ab4875828f15d95efe96d97df13a. 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/SEAGA9535220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfc87ccd6c82f9b8e70059e9516cef11e14ca5949289329328506674058a952. 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/SEAGA9501010.
Horn Concerto, "Farfalle e ferro": II. Lento (attacca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68375c93d4a48b54811cc7d9c3523f99086703fe592a4ee1d0c616a8656a9edf. 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/SEAGA9501020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c06e1b04556c2b4c737eabb6ee471c5a940fda6c8158480391b5814bae6e853. 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/SEAGA9501030.
Vallåt från Evertsberg efter Tommos Kersti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf9edb8b61ceda18a7b40140ae3c687cc28c34932008ba59866775aaf5f9f5b. 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/SEAGA9535230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5e4daf84811f38dc49067b53725270e47dc2291902a00aaacce0476225c0da. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM82328386.