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 0xfa4bcbd732d9bb5ca5fa7e80e56e06d89928f522e21460a0bcfbecbbf21eb263. 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/99f3f93c-7131-47d6-9d79-bb43d3968662.json and https://artists.proofprofile.net/proofs/artist/99f3f93c-7131-47d6-9d79-bb43d3968662.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Oboe Concerto in G Major, TWV 51:2: I. Andante
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 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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661bdc073f7e7ba5bedc031868babd1b9f422ee1eb5d974ed63d9c99d27a3ad6. 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/NLQ661100384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14422b44367210d977206580f011c1e884031330cb3355ddc082464841f44250. 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/NLQ661100392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb4b234b2f72a63ecc081132c75b81ec92caed93168e7e5f5fb649e01b2ebfd. 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/NLQ661100394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ce065c2bbf1ffe64cd73ebc3a611b03abf4d0b3effc721338364718c786cfa. 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/NLQ661100395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec7dffb271300640a2fd14f4c21eb0365ad1f2c163fe25a2d147ce88eb6a363. 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/NLQ661100402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa844ff4ff45f8d7313739737605638800516644bd88740d015c023d3864b1fb2. 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/NLQ661100404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921ff947dc0582d2409efdffc4154e61a0aebe9938105817c1adc01a2404b6d8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLQ661100385.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d17112c1a54937648ff92f4e5e23799ca0b793d99ce6d8f59bc05b6577ced6. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/NLQ661100396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94579edb7d1deda3e16daf52bee29962fd1e21ae4898dede9dcbc9a848fc3f39. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/NLQ661100397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f8d6a6142bb137088744cb9b1a4a3bdca65fdbe13371c55d3da498bc5a96fa. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/NLQ661100398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c29d28459693b1c70fec82dba53d1b500fec4d0e29e1253dd1086d04a3a4cd. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/NLQ661100399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ec0a628dcb2852c9c7f70bc4594dbe161caefd0f3d4b7b57e4b3f944e9ec3e. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/NLQ661100400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dea3dcd56dd2e5e0db8eb1259c584e47f0d72c2a7f3160b4a3d993cdb841f26. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/NLQ661100401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c1b0bb4d47b48c98cc52abf0eda1ee11a9887fc6e6fe68ea228b4248296db0c. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/NLQ661100403.
Sonata No. 1 in F Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27163ec8f31a122114285fd01b947e8239b5aeb6a8e12cce3788695c76576aab. 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/NLY331010913.
Sonata No. 1 in F Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4cfd7cc1ed0d5757b9a0d259732b9dfbc79d360b204c46cc6bcc926fbe40f4b. 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/NLY331010914.
Sonata No. 1 in F Major, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0355ef54d9eab5a3b47492b5efd4d5ab168d6666d2d664d92cb0abc43518bd86. 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/NLY331010915.
Sonata No. 1 in F Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1522126e995ce5f72c8c21552a5e569c179b885bf702369775be70abc661b2. 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/NLY331010916.
Sonata No. 2 in E Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2939754010f82c12c5e1ec49b82e37298d7ec0b0d045af4f14377e0c6efe4c2c. 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/NLY331010917.
Sonata No. 2 in E Minor, Op. 1: II. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa07d4fcd87fe912ff6cbf8bde86abc74e96e945bca222ec0f69ec139095ecd. 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/NLY331010918.
Sonata No. 2 in E Minor, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dedd915aae35beed4b56e62d96212eaa295e1348403aaba9a183755c98b67ec. 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/NLY331010919.
Sonata No. 2 in E Minor, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0258f94eae1aac8c90b7428d18668cadf25c1e16782ac5fb69c1a14769f5f0. 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/NLY331010920.
Sonata No. 3 in A Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf01937e722d06a60734e8e7abe0aa88091087a9c96e4b65b14de84c5ccc91b. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/NLY331010921.
Sonata No. 3 in A Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49e56b0612031750bd5c3e4cb71d7a1d4a28fbdebb1d413e784c32a3646b0e4. 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/NLY331010924.
Sonata No. 4 in A Minor, Op. 1: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x749e9c18e8d1909d687cc9ddd8fe7493855ecd01b184dd728c173a11bd621f38. 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/NLY331010925.
Sonata No. 4 in A Minor, Op. 1: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3b86cd708f4172e7af67c544afb59578c6734c4dd9df4d22085f330b378584. 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/NLY331010926.
Sonata No. 4 in A Minor, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafbb10e6be0f49497e29ab102a71d64d7d075185a7fb20c68921975f1343218. 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/NLY331010927.
Sonata No. 5 in B-Flat Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c1fbe3912519eb06a45eb349fca66bc883da4ce48162b88dd1f418148c7820. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLY331010929.
Sonata No. 5 in B-Flat Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f60608099717c03f2d37a37ffc5000077bcef46e873c18970449f563ba0eb2. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLY331010930.
Sonata No. 5 in B-Flat Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7905be9e65cc04b9d32aa03a8b898547a2db70595d0a37ad63383b9320461c0c. 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/NLY331010932.
Sonata No. 6 in B Minor, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd693feccdd5e95a84789fd72e12f590e973f9d6ea0c2aaee20a7b9143d0e8826. 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/NLY331010935.
Sonata No. 7 in C Major, Op. 1: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7edf9d21ebd55856733844f72b37a01292a657fde252c2788365ebc3681dbc. 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/NLY331010937.
Sonata No. 8 in C Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa960a9bfbbd4aed00d301ee4ad6b9b24b7c28eebe3a261adcdf96625968eb43e. 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/NLY331010940.
Sonata No. 8 in C Minor, Op. 1: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0125e335b62df675051402ab14afc6343137402525220672942c05538e28ac9b. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NLY331010942.
Sonata No. 8 in C Minor, Op. 1: IV. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b60802a53f2cc30170d5315c5efb1968dc92212cbac136243afb6ac9afdd2b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T17:17:59Z), 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/NLY331010943.
Sonata No. 9 in G Major, Op. 1: II. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2967d1ccd4cc892be0afc4eac432ed2e21bd2bf3f56bcc13b8a4b8eb5fd1ed. 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/NLY331010945.
Sonata No. 9 in G Major, Op. 1: IV. Allegro - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x600687197b34e9fa94c432688a6dead55287f01a5a51e279c53da081eb157063. 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/NLY331010947.
Sonata No. 10 in G Minor, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09c2dd68fe46a23403592d37d49da05084bc01ac8d5decf21360d63df5d9c68. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/NLY331010950.
Sonata No. 11 in D Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1250c040f85f0e2bb10dc53090a710b3a73ce38bf3b3dcbf691c9d6dd76ca07a. 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/NLY331010953.
Sonata No. 12 in D Major, Op. 1: III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cafa1accbf2147e62f55cc57e0e461790e78602e54c5ce0ac5a35339d70b0a8. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/NLY331010959.
Sonata No. 12 in D Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf745d60bab0eaea4cecfcb3be63c5546f7e45bee8cfda3a034d3670902a74850. 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/NLY331010960.
Concerto No. 1 in F Major, BWV 1046: I. Without Tempo Indication
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c9741c3656c90b756106bb33c3d9724a0bf11d370101d05a1ca5a0a8ba3213. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLN580572701.
Concerto No. 2 in F Major, BWV 1047: I. Without Tempo Indication
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ef7381f16de4c304ec976cc0c7ae2bdc7f3ca2a4a2c1200f334acdbb658fcc. 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/NLN580572705.
Concerto No. 3 in G Major, BWV 1048: I. Without Tempo Indication
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Concerto No. 4 in G Major, BWV 1049: II. Andante
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Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. —
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuet - Trio I - Polonaise - Trio II
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