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 0xee96f305a088d5cc9f154fcc9f6360d65f17ae5874c7560ff4133d2d4cf5db49. 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/fe6aa34f-9056-43c0-baec-a54f08e2d8c2.json and https://artists.proofprofile.net/proofs/artist/fe6aa34f-9056-43c0-baec-a54f08e2d8c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sinfonia from Cantata BWV 188 Ich habe meine Zuversicht
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 0x4dc7d2fdbd0885647491fa47eb83aa4dce453b2ef8670918e313f93919bc5ee1. 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/NLY332001514.
Sinfonia from Cantata BWV 174 Ich liebe den Höchsten von ganzem Gemüte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2020ac627e01f34c80483b662a15d227e475b465f903c0d5a0a017933a156f. 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/NLY332001515.
Sinfonia from Cantata BWV 169 Gott soll allein mein Herze haben
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49fb8f878ea8c018417032f27f3709bd135670d73743a4e749747dd8f5907ba6. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLY332001516.
Sinfonia from Cantata BWV 49 Ich geh und suche mit Verlangen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35745106a8563dc3248496b53b9a4e7f87c4eeb17a847f1112a8f680e3ffb666. 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/NLY332001518.
Sinfonia from Cantata BWV 146 Wir müssen durch viel Trübsal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1703ebbb3d473f56a3124bf8b7bcf15c39ccfbaf1e8715ae469930d01fa271c8. 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/NLY332001519.
Concerto from Cantata BWV 35 Geist und Seele wird verwirret, Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97af18ae3c400715e59e4c61d4e3536c66e1dea601932d0f0831fe58c6c68a03. 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/NLY332001520.
Sinfonia from Cantata BWV 156 Ich steh mit einem Fuß im Grabe - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59016a43f307e302afd9b023b74f8166d58449dc9edc6198797094c1262acc29. 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/NLY332001522.
Sinfonia from Cantata BWV 12 Weinen, Klagen, Sorgen, Zagen - Adagio Assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd498192ba7796f6737cd6f8b4770e363cd9080c3ebb30a624f616decb4f9823c. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLY332001517.
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
Sinfonia from Cantata BWV 35 Geist und Seele wird verwirret, Pt. 2, presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3bbcf4d51ed776f51775feb0386e1780f21a0aa5605157555a7b5c695d8300. 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/NLY332001521.
Sinfonia from Cantata BWV 52 Falsche Welt, dir trau ich nicht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6783dffe5cc589bf3b592f1e4451a139470123982a04e82e43c16461b511a11b. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/NLY332001523.
Concerto in A Major, D-WD 654: II. Largo e cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d7f33be9f6cd9af95fbf761f20f658df1dde987614ec23c51bc50e8812c079. 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/NLY331306282.
Concerto in A Major, D-WD 654: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd751c4bfe3b898e45c7ca190b8f4f21b929c2539457e1f7e870d5eaa6f26ecb4. 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/NLY331306283.
Concerto grosso in D Major, D-WD 538, After Sonata, Op. 5 No. 1 by Corelli: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c2d22d3d83fbc0688ddb5f5539e3bca06aa4c81490552d2e3979bae5814777. 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/NLY331306286.
Concerto grosso in D Major, D-WD 538, After Sonata, Op. 5 No. 1 by Corelli: V. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3d453ab5ad3d859416dcecc931df394546c78e45066de315276bc37f15a9118. 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/NLY331306288.
Concerto in D Major, D-WD 650: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c64599ebf425b080da2f52b0a43d33becd760b05778b35b98abad676d30b863. 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/NLY331306298.
Concerto in A Major, D-WD 654: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ae43fbea03fb061252caafa525d27281ebd39bc0a63e7f020a7173d305a735d. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLY331306281.
Concerto in D Minor, D-WD 657: I. Non tanto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80cf407869c5ce207d17c717056064b46f4443bdb37970f64ace09546243cf56. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLY331306289.
Concerto in D Minor, D-WD 657: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f021ec9a3e6d6aafecd34a4b87d9b89522466ec94294885cb1cb11c4ae2cd7. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/NLY331306290.
Concerto in D Minor, D-WD 657: III. Fuga. Alla breve
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd667db8fc379b36ecd40cc9ba235d804d5b81791156c08c178f89d2ad5199cbe. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/NLY331306291.
Concerto grosso in C Major, D-WD 539, After Sonata, Op. 5 No. 3 by Corelli: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27615be6e7edbac1f96524882164b52bbef5e53b144b7e0ead5a25ee70b42a6. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331306294.
Concerto in D Major, D-WD 650: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733830c965bb86ed7713c4adde78a27382cd86387e4af66931ee3c33aae4ba5f. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/NLY331306297.
Concerto in D Major, D-WD 650: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afb0567212cb5bc25b3c57ea742b8c3809f1c8708bf4e196ae656d42ad988b4. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/NLY331306299.
Wranitzky: String Trios, Op. 17 No. 1, Op. 3 Nos. 1 & 3
Concerto in D Minor, TWV 43:2, à 4, per 2 Violini, Viola e Cembalo: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0125bb156217e364357bafaa40816ae21d387e1cefad952af1b7ef6e57db587e. 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/NLY331105201.
Concerto in D Major, TWV 43:4, a Viola da Braccio Concertata, 2 Violini, Viole e Cembalo: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6249822c734fa4b9de36391a14e79cfaf2d0698e7ba562e456171773f71acf. 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/NLY331105206.
Concerto in D Major, TWV 53:3, à Tromba, Violino Concertato, 3 Violini, 2 Viole, Violoncello Obbligato e Basso: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b9e359cc0e1beae1be5f492d8f56343964342bc40cc7e517532db56acfe5c15. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLY331105196.
Concerto in D Major, TWV 53:3, à Tromba, Violino Concertato, 3 Violini, 2 Viole, Violoncello Obbligato e Basso: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f66a1030fc27fe9423032434aedb3ab6e4679798e0aaad74236703ddee5dd35. 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/NLY331105197.
Concerto in D Major, TWV 53:3, à Tromba, Violino Concertato, 3 Violini, 2 Viole, Violoncello Obbligato e Basso: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984a93e930ae576e71b74c659212fe32c56eb74b164da49c5789f32c5e1a5b9d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLY331105198.
Concerto in D Minor, TWV 43:2, à 4, per 2 Violini, Viola e Cembalo: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadea6401b207ecfeb7172165746768c9036d9e3d938cdbd07c92a5ef28fe14cb. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NLY331105200.
Concerto in D Minor, TWV 43:2, à 4, per 2 Violini, Viola e Cembalo: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x065c0eef0d409bc0f26a28cbed5343734413485e35a635eb3d012b9ea1f3065d. 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/NLY331105202.
Concerto in D Major, TWV 43:4, a Viola da Braccio Concertata, 2 Violini, Viole e Cembalo: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccc999996f661c47bb29e1f55a7253de8458050461c61a32b0aab86d9e878609. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331105203.
Concerto in D Major, TWV 43:4, a Viola da Braccio Concertata, 2 Violini, Viole e Cembalo: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6a403402dabe6dfcd4e03c4ed0266ab7176df7d605d0481e2d3bcf96355a5f. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NLY331105204.
Concerto in D Major, TWV 43:4, a Viola da Braccio Concertata, 2 Violini, Viole e Cembalo: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa787a2df18dddc6f2c0d0c0c8bf49bd8403d0d6dc3d8c4f554b32efef1542f90. 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/NLY331105205.
Sonata in E Minor, TWV 44:5, a 2 Violini, 2 Viole e Continuo: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6c6cf9a20bbe58ee555f391183f15f96754257c21386dd0bb6dfed99201402. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLY331105207.
Sonata in E Minor, TWV 44:5, a 2 Violini, 2 Viole e Continuo: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82979bf8ed9ef96cc2e6c985a3886f43011bf04cf20c84e8ef3071c4727df5d8. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLY331105208.
Concerto in D Major, TWV 43:4, à 4, per 2 Violini, Viola e Cembalo: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eeba837a9a7ff2a0b6757b595f2d90a1dd707426de58b076e5cc12a2cfb31cf. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/NLY331105214.
Oboe Concerto in G Major, TWV 51:2: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a35225ca90482f8662083806ae419efaed417ccd5b0cd687158aaec7ce4a2dc. 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/NLY331603485.
Italian Baroque: The Instrumental Edition Vol. 5
Schubertiade: Du holde Kunst, ich danke dir
Boccherini & Haydn: Sinfonias & Concertos (Live)