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 0xd9f04bca1f95fac541660682842e9efa3b4b81884eb19c48b46aa30142f96766. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81fa1fc8-9237-4b99-9a88-02eb5dc20bf0.json and https://artists.proofprofile.net/proofs/artist/81fa1fc8-9237-4b99-9a88-02eb5dc20bf0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mouyayoum: Vocal Minimalism from Scandinavia
Gothenburg University School of Music Chamber Choir
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 0xc5089bb0029252530da4744c954d965f60ca57384cea358b0650874934bd0b69. 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/SEBAC9413010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7766d5928a1bb116e62814afa40aabb2fffdd4ed2053957a514043a3c34dfd3d. 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/SEBAC9413020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8b30b09383b9753d1826d0489bad4478a7a44866c4a6c04113dcab9b9d4448. 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/SEBAC9413030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fef1827174f9a167a77e192d0c2a63b5b448c0319c9d4838cf5929ff72c5383. 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/SEBAC9413040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75576ce67fe4faf95bdd4ee1c930b971068f22f3723ffaa902dfb6558561d469. 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/SEBAC9413050.
Komm, susser Tod, BWV 478 (Arr. K. Nystedt & G. Eriksson)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8eefdf244873cb4aa98112d4829ab9cd642ae0acd334a893c782a561859c79. 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/SEBAC9413060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a82a1a1fe8e8b122d953fc639a4e86352249288461fc6aeaad472a6e0c7a6b4. 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/SEBAC9413070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d75ae3bfab2ec87bf2e3e4eaf125632714cd36cf0b17bba7570b419f9ddcac. 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/SEBAC9413080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f60cc53d9f012a7c46eab8e1a3d8bf4a95afc1ee88bfd022c5ce5fe758c7a15. 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/SEBAC9413090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x689242f020518afe52ee9545b922caaede6acb9afad9b103919f0c4cf79573dd. 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/SEBAC9413100.
Purple Classics Presents: Unicorns & Castles – Medieval & Renaissance Music
GBL Add. MS 29987: No. 91, Lamento di Tristano - La rotta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541116469248753030e730d929a99b0926741c6d405538839c3487eec368939f. 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/USB8U1611246.
Fredmans epistlar: No. 9. Käraste bröder, systrar och vänner
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ff7f51f20c97fa55f4c3897b4ada188c7dbd5cec6af1887c8b57a718e76255. 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/USB8U1030250.
Fredmans sånger: No. 21. Så lunka vi så småningom
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f7c7329fd981168f46ab05e4fa9ac366a5ce9a068015ea99c323180c3694866. 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/USB8U1030268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f779d5b884034f69031b01b68d03eec2381a01efde96a9ebab8e28ce895b277. 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/SEXKI1100101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf171b60892bc157025bff0a1247475fb86074465221b39285f95e6fb37ae4a. 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/SEXKI1100102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db01dabbac625560b3a91f0c5b788d75538e30e7aa4af8c5114c19bb54eb8bb. 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/SEXKI1100103.
Arie musicali per cantarsi, Book 1: Così mi disprezzate, "Aria di passacaglia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c351bfe3700e096fa23d33a64b1702d527b9dae274f4536bc4eb51df37e39ca. 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/SEXKI1100104.
La costanza in amor vince l'inganno, Act I: Selve amiche, ombrose piante - Arr. for voice and harpsichord by Maria Forsström and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06db4fd36d16867a4bbb44dab5dd8a35928b22dc5a47aabbe53b6013d18af978. 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/SEXKI1100105.
Giustino, RV 717, Act I: Vedro con mio diletto - Arr. for voice and harpsichord by Maria Forsström and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde484474bd839c8a15b1561934a1d3c94faf5702fda8ac5f30970f5bab5a145b. 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/SEXKI1100106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4ed174b26447536315323d3efe7eb74a191ecf718a9b0a8148a53205a06ce4. 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/SEXKI1100107.
Schwanengesang, D. 957: No. 4, Ständchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45be36d5c524bacd7d360ffdf76950ed9617f2984531d0adb6eb64b12b44384e. 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/SEXKI1100108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707740927424723bd8e560a178e23c38d7c56e424ddafa564f1fc76ccb8b3885. 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/SEXKI1100109.
Liederkreis, Op. 39: No. 1, In der Fremde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93cd8d542bfbba9b00b39f4e928ef2483b366e36a46111c1574da51bec12ee1f. 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/SEXKI1100110.
Goethe-Lieder: No. 9, Mignon. Kennst du das Land
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3891f5b32df79667532d80b043188433416f8e384954b883ef8d7d1120516002. 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/SEXKI1100111.
6 Songs, Op. 4: No. 3, V molchan'i nochi taynoy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4edbbf1cec3b5a7000a0cf93e143b9092d14d96add86ba4affeb14447c5a1f6d. 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/SEXKI1100112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12da951c51f1021ccecc5245c9598dbb6f6f334ffb6e831e00c55f1eafda6fbb. 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/SEXKI1100113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x099e693971ea272373306a2b09ceb4e893b3b6270c5a30238ea1d506e0594b32. 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/SEXKI1100114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d0aa00ded95fd5ff28c9de6db83bb2dd8899b0fe4d016d97a4d19616ca5828. 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/SEXKI1100115.
Folk Song Arrangements, Vol. 3, "British Isles": No. 7, Come you not from Newcastle?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x770294640c4ef7cf43841e384f169860bc8dde0370cbe1f31afd4e1303f98b34. 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/SEXKI1100116.
Folk Song Arrangements, Vol. 1, "British Isles" : No. 1, The Salley Gardens
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e79295e659e8f306545024df44248b55c2b42a0304686f877326100f6abe271. 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/SEXKI1100117.
Folk Song Arrangements, Vol. 1, "British Isles": No. 7, Oliver Cromwell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704304f9a0578d0785cd102bfa90cafa02b47432e58bb4d1ae3a3e886ef88051. 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/SEXKI1100118.
5 Songs, Op. 37: No. 5, Flickan kom ifrån sin älsklings möte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc821e6b24991b0c8b9c196f7466992c5700c8be0caea2c422ecb4318b9b0f899. 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/SEXKI1100119.
Ur en Kärlekssaga, Op. 14: No. 7, Att sorg du mig gjort
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9bb0b9531439157454cb6968a4ce21a9a8510681abcb2c3600586fee47422ff. 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/SEXKI1100120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913d7b9139218d44423196d368bafa1b4c2758bd5185464090ee70368cef3ffe. 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/SEXKI1100121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c8a4eb9ee309ba12696a7eb845cda83fe1aec3a089c58ca7996f1af2c355e0a. 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/SEXKI1100122.
7 Songs, Op. 17: No. 1, Se'n har jag ej frågat mera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a827d283ab8cd6768f90d2bc6e081c2e373f139f982d259eb0f6592eec1acf. 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/SEXKI1100123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42f7cc032d30d034c6e981fc13260c7ad774291b8ed2a9d3acf116c6bfbd868. 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/SEXKI1100124.
Viola da Gamba Sonata in C Major, Wq. 136, H. 558: I. Andante - Arr. for keyed fiddle and harpsichord by Torbjörn Näsbom and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb097527d07e8420e48d71f6f9f77c2c44699c32ebaf5d465ce47c070103693. 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/SEXKI0700203.
Viola da Gamba Sonata in C Major, Wq. 136, H. 558: II. Allegretto - Arr. for keyed fiddle and harpsichord by Torbjörn Näsbom and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3cf6cedf549dacc4e0f38f02eb123cfe2ccba2f63c8e8bfae0045208ed1a49. 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/SEXKI0700204.
Viola da Gamba Sonata in C Major, Wq. 136, H. 558: III. Arioso - Arr. for keyed fiddle and harpsichord by Torbjörn Näsbom and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da03d06f62f90563257dc3d46b67e8cbedfa39a45869e9baf181073ab53ab63. 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/SEXKI0700205.
L'art de toucher le clavecin: Prelude No. 5 in A Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2966873ebc964756e1d8a489a58df79a31295b6e5b738508c7af5adfe78c6b3. 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/SEXKI0700214.
Pièces de viole, Book 4: La rêveuse - Arr. for keyed fiddle and harpsichord by Torbjörn Näsbom and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665d0a5d22c674706a08915793a5f10a1acaa965a994be64da70baf1047a0455. 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/SEXKI0700215.
Pièces de viole, Book 2: Couplets de folies - Arr. for keyed fiddle and harpsichord by Torbjörn Näsbom and Andreas Edlund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5daeb6e354f4e9292dc0a8a3c5f821318657f6ced605dc595153ecdca124661. 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/SEXKI0700216.