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 0x02e5d50df8039e5b1747708482613194a03452eac20916a05bdbdc4a194d3555. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6206eb5-1bb1-434e-bc04-512d102e10c4.json and https://artists.proofprofile.net/proofs/artist/f6206eb5-1bb1-434e-bc04-512d102e10c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x9ea3b0f39a9e12ec3d472f95c0479bc087656d04986fd77a11cdaaac669e9743. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/EEVR32200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29fc6b8c782628f135eea2a7fdb62e578e53d92a6044e8c87ca79182874546b6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB362100003.
Aria (From Goldberg Variations, BWV 988)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2d11288c601120b57fde1a26ac9544a34771604177fdb5b06dc1ff65fd3482. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:17:12Z), 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/EEUV32200010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219. 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/EEVR32200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbe1dde0cd94691917fe94ffbcedb60c9d0232c1f25913da8db9125482a6bf7. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/EEVR32200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc775b390bc19d2c9915b16bc0e97012880d07f5bca11c5f86af9a2d16f2e97f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB362100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7342189903e93d0c69db2ff85de9f4088ceff84c87c4440d6e3cb6a102e0649. 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/EEUV32200022.
Variations on an Original Theme, Op. 36 "Enigma": Var. IX. Adagio "Nimrod" (Version for Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf491992f89426d5a1f6b25f442af5adf65767d471eef54f7e043f49791ce66b. 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/EEUV32300078.
Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesu, Joy of Man's Desiring (Arr. for Piano by Myra Hess)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158d223ebc3d00d17feb0106a5deda1ed311fc22e84c8539f8e3eeedf8031704. 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/EEUV32300079.
Турецкий марш (Третья часть из Сонаты для фортепиано № 11 ля минор, K.331/300i)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88c636a9aee86de3c994006a88a1329799e49ecd045fcbaa059bda10b9c1ace0. 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/EEUV32200024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a5e45ec85a2ae4162030f45bf4869a14bb8f9aa56a84afb5b9f2456b86c22e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/LVL152006153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf049ea4ef88000166916f8734f0cb557edf575e6867d44afbdb0fb0d7d4aa2. 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/EEUV32200021.
Шутка (Из Оркестровой сюиты №2 си минор, BWV 1067)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28dd2906613928d1acc0a2c45f3aa82dedca50fb8ce2b6c5c7969a647a5950b5. 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/RUB361900002.
Болезнь куклы (Из Детского альбома, соч. 39)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6484cfd7a7292a0fef326b2d40974aa8a4b248a89c7b7dc34c4b2520cf73ee5f. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T17:43:14Z), 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/UK6822200751.
Bryukhno, Nazaykinskaya, Soukhovetski, Karmanov: New Piano Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x968f1202e07b8dab6a59dd7cf016471ae80292bc6d8f55ca83cfd0694c23b87f. 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/UK6822200777.
Romance in E-Flat Major (Version for Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ab656c65087a68f4b51ab9914e634bd4d992077777c84de917a2a63f306d6f. 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/EEUV32200027.
Bryukhno, Satie, Grieg, Beethoven, Mozart, Bach, Schumann, Debussy: Peaceful Piano Music
Mozart, Brahms, Bach, Debussy, Satie, Bryukhno, Beethoven: Classical Lullabies
Bach, Beethoven, Brahms, Bryukhno, Debussy, Glinka, Krylatov, Massenet, Mozart, Satie: Baby Sleep Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011d90b0797cb9af4589b579b173416f669c2d67332d2a1e8b2b301ef3a3bc4a. 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/RUB362100006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865645240ebfbab4e9ae96c2dff587a2afb159af253946ad8d7f64a4039eec32. 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/EEVR32300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75cb2cefde68850f607f997a823c6bc47725a273b4d526c4fe3b97ec6aaa7e84. 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/EEVR32300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bbe03cfae8bf5c74fb732b66f57156bf182a2ba8b48a9797c2c0d38088775c. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T20:53:33Z), 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/RUB362000001.
3 Gymnopédies: No. 1, Lent et douloureux
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c01f66e7b5871892b0d87e83aac768a6fd31974f471112c39aaa58282348cf. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/EEVR32500002.
Concerto for Solo Keyboard No. 3 in D Minor, BWV 974: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4c7844aa6d68b16a0201331cb768822a8e0556771d46a668a7429e35d06b7f. 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/EEVR32500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc775b390bc19d2c9915b16bc0e97012880d07f5bca11c5f86af9a2d16f2e97f. 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/RUB362100017.
Romance in E-Flat Major for Piano and Viola
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d705820d1a57352db4a19357f86823b15027598fa6b26a393ef2df513f0f03. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB361899991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33bc71cc9fc9f66bd361cbf48fafd5f997545c47277f56ef6c20d670faeb7ecd. 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/EEVR32400004.
Five Preludes and Fugue: IV. Prelude in E Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x588aa82870afb4cb4df5a93a9049957a6bfc4610e6ef170a39b49c279dccdc78. 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/EEUV32400647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573f2013f3682a0c6805db57fbfb5ac36aac6a4aab659679990ac29f0787c271. 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/EEVR32400001.
Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7744e27dced30634ddfcb1a42c82d58c43b6b16db4fdb5271d0f5edb28cc05dd. 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/EEVR32400002.
Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf049ea4ef88000166916f8734f0cb557edf575e6867d44afbdb0fb0d7d4aa2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEUV32200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219. 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/EEVR32200001.
Minuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a04bc29d713af007a99d347f9baae71e45ad24c4aa50fb9b019b29317210d0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEUV32300118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86584107c2e080b7748862d1016af23e31edf92e20522165f8f433a0090a6b27. 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/EEUV32400670.
Rhapsody on a Theme of Paganini, Op. 43: Variation No. 18. Andante cantabile (Transcr. for Piano Solo by Michael R. Loveridge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480ce3e71890f9dffee28c4c8c8436e9519e831975c3695fb83adc768247ad5f. 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/EEUV32300077.
The Man I Love (Arr. for Piano by Christina Grigoryants)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d6e3276f8a5de3773758e7a8738fee64a70f4e0f024683609965969cf434ea. 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/EEUV32200062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be429a41b995e925f4fc125b79f9a422c3ec027c1ea5152a03f31f17855b505. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/EEUV32200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf975bf35e83f162636cd80e545bb9b5065efc3348486e8b71f810a0704a58acc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21610fdba203d8edaad783e84a38feb8f6cbd7ec29a85964513d5a0ac19040a4. 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/EEVR32300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b1d10ec3c88a9b1e49ba7ab4419f7262a113ad0d2157a855f1805c76fdaf53. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c650ead9dafa56c8f70ebd40cbf8d3649164bbffb66ca4c0a504993ea5d01f2. 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/EEVR32500004.
When You Wish Upon a Star (From "Pinocchio") [Arr. for Piano by Sergey Bryukhno]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e910f217f8cec096cd88395197b169f321cc23f1390e0725f6a31fad535822. 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/EEVR32500003.
Bach: Concerto for Solo Keyboard No. 3 in D Minor, BWV 974: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4c7844aa6d68b16a0201331cb768822a8e0556771d46a668a7429e35d06b7f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32500001.
The First Noel (Arr. for Piano by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa111fdc3a772018b7c3091a246b72add9b886ca95fbe3ba61dab8c20dd134b24. 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/EEVR32400007.
Silent Night (Arr. for Piano by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85062da6be484dcabeed52f7f2aa4a8199dafbe65b3507c656e0f5ae72a1156c. 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/EEVR32400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33bc71cc9fc9f66bd361cbf48fafd5f997545c47277f56ef6c20d670faeb7ecd. 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/EEVR32400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7744e27dced30634ddfcb1a42c82d58c43b6b16db4fdb5271d0f5edb28cc05dd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573f2013f3682a0c6805db57fbfb5ac36aac6a4aab659679990ac29f0787c271. 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/EEVR32400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865645240ebfbab4e9ae96c2dff587a2afb159af253946ad8d7f64a4039eec32. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1362dc1e89edcd788503b3096f03b516fc2de70f88166a7f38d06de51d84b56. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75cb2cefde68850f607f997a823c6bc47725a273b4d526c4fe3b97ec6aaa7e84. 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/EEVR32300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b1d10ec3c88a9b1e49ba7ab4419f7262a113ad0d2157a855f1805c76fdaf53. 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/EEVR32300006.
Myroslav Skoryk, Mykola Leontovych: Ukrainian Classical Music
Melody in A Minor (From "The High Pass")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec9253677cd180cd6a24f55b321a8c53d3bf913ef4d42e1a56893256e2076e4. 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/EEUV32200034.
Shchedryk (Transcr. for Orchestra by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab. 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/EEVR32200061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a9be3c104783a40b35a19cb0c25142cf65df7f6e2f86f10f30e8af3c835d04a. 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/EEUV32200033.
Carol of the Bells (Transcr. for Orchestra by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab. 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/EEVR32200061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde71fed2b25af7cf02e9b67baa876b43f7ea7636fe031c4eedbae81466f0a97. 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/EEVR32200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219. 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/EEVR32200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUB362100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bbe03cfae8bf5c74fb732b66f57156bf182a2ba8b48a9797c2c0d38088775c. 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/RUB362000001.
Sergey Bryukhno: Romance in E-Flat Major for Piano and Viola
Lullaby "Sleep, my little prince, fall asleep" (After Mozart's Wiegenlied, KV 350)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee24c416c2036600696ea71113db3807cb32d2e64367da8019925a6cbb1d7a1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEVR32300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e983bc50ca6df82bd7631723f0fd6029ddaad96a30578343418f1c1f04d32d1. 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/UK6822200770.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "Air on the G String" (Arr. for Viola, Strings and Harpsichord by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc775b390bc19d2c9915b16bc0e97012880d07f5bca11c5f86af9a2d16f2e97f. 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/RUB362100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d705820d1a57352db4a19357f86823b15027598fa6b26a393ef2df513f0f03. 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/RUB361899991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3d0ca80bff37c85fb236ec66cf3825aa9d395c1fcb4c6dae65d8149aa8219. 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/EEVR32200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29fc6b8c782628f135eea2a7fdb62e578e53d92a6044e8c87ca79182874546b6. 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/RUB362100003.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "Air on the G String" (Arr. for Viola, Strings and Harpsichord)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d705820d1a57352db4a19357f86823b15027598fa6b26a393ef2df513f0f03. 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/RUB361899991.