London Baroque is a chamber orchestra formed in 1978 by Charles Medlam and Ingrid Seifert. Its members are Ingrid Seifert and Richard Gwilt (violins), Charles Medlam (cello & viola da gamba) and Steve
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 0xc022eefccbb14e680bb0481b124c297c3baab1d332fa2a390f2ed69dd2f1df4d. 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/68c113ca-122f-4927-87c8-a6fb24819075.json and https://artists.proofprofile.net/proofs/artist/68c113ca-122f-4927-87c8-a6fb24819075.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerti Ecclesiastici: No. 49, Sonata à 3
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 0x1afec50d7ad7c2cffc758b402cebc2709955c80ab77509c7ff9f801a2162460d. 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/SEAER1295010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9de95f1dfcdc3349f4f0fe0e2693969fc570e4fae841d4140749227133a37c. 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/SEAER1295020.
Il quarto libro de varie sonate, sinfonie, gagliarde, corrente, e brandi: Sonata No. 8 sopra La Romanesca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9660fe81b356f2d9ec1656e434150ed92ea49905003dc69cc885b42e8b0cb29. 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/SEAER1295030.
Sonate concertate in stil moderno, Book 2: No. 10, Sonata à 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444ab1d6572eccf1a9a1dd2f322f6e6ebf7c2db76e627f1b0588bb0fc84f77e5. 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/SEAER1295040.
Canzoni overo sonate concertate per chiesa e camera, Book 3, Op. 12: No. 20, Chiaccona
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802d8d1ba898a764a3ed32ac6c19bc5e19161d614c73e160d9db40f617a26f0b. 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/SEAER1295050.
Sonate, correnti et arie, Op. 4: Sonata No. 26 "La Prosperina"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4153aebb67d399c05f7863251a207e6922ea1c1412379e0506216740691e8b. 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/SEAER1295060.
Folias echa para mi Señora Doña Tarolilla de Carallenos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceaa6bcf7317732a5d8bac0709320dea0726ce820cc89d60efcf72870b1cd2ab. 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/SEAER1295070.
Correnti e balletti, Op. 4: No. 33, Ciaconna
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5db460c12419c842463d511f91880f89f6ebe3333c79dfdd7df6242ec9c553. 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/SEAER1295080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c5a7cd7066d790446243db330aa9e74dc1fee0426e56f33c9e34932602c539f. 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/SEAER1295100.
16 Sonatas, Op. 8: No. 8, Sonata à 3 "La boiarda"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe88f8471a666080a0e54f274df75bd47b882f0a0fde9d0cb67cdaa4effb731. 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/SEAER1295110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b11cf30eb987395995ba82125870a8d713f1dc3f16c47a28968b2c666b8f116. 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/SEAER1295120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1196f81f180d16ad0c9e0e2e619c9a0c23bf17046b7464915485f22c42098e0b. 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/SEAER1295130.
Varie partite del passemezo, ciaccona, capricii, e passagalii, Op. 7: Ciaccona
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46085152a9f4c61463756b6ae8bf435ba7d54b39a80f7bd587fd5e5bbe60b3cb. 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/SEAER1295140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd54058cf5ed8994c15eb3f6ad0b901a989b2da563f422969c6513e432a29ee9. 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/SEAER1295150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db4b296fdf72d7dedee49b5e3b81d60cb34eef1d41aba96b7c4eb7d872a1273. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:31:41Z), 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/SEAER1295160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11b19c2e16b79269989a96e4bcd221b3a52b3c412a09753df56e28055f45146. 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/SEAEO0355010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd527de63b09e6cd8d3442bbba1c8207efa7a49e4c00fbe24f77e2ddab6377a74. 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/SEAEO0355040.
Little Consort, Suite No. 3 in D Minor: III. Courante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b65ad8ed29420484195ac5f01f1f3fac563c620bd86c202141c59d86fc85a49. 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/SEAEO0355150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11b19c2e16b79269989a96e4bcd221b3a52b3c412a09753df56e28055f45146. 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/SEAEO0355010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd527de63b09e6cd8d3442bbba1c8207efa7a49e4c00fbe24f77e2ddab6377a74. 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/SEAEO0355040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa669bb4603bfb862cfc86893c938672a879db7ad6a860d0d7831584a0ebc6faf. 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/SEAEO0355060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed5bfbc6c7db680990d306aa2635790c335d8d19692db6e4663a08f5be34ac7. 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/SEAEO0355070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf4fcc48aa39b3b22d48e7b55a3465e83628c1b024609f8b95ea084de1446c7d. 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/SEAEO0355100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91dbe7f6a1a71b45e28e5245d6e0b9944607d0e8712c448fa4222df20c840c00. 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/SEAEO0355110.
Little Consort, Suite No. 3 in D Minor: I. Pavan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6450f58b8128ae4853e60b9b626bb97920cb5327bd05834882393fc384bf90. 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/SEAEO0355130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b65ad8ed29420484195ac5f01f1f3fac563c620bd86c202141c59d86fc85a49. 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/SEAEO0355150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd75fb4bfa00f28e023313074a95ab5486b5d5a785fd3475936d7eaf42ffa09b. 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/SEAEO0355200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d35a8b21b3342e3ac9f7a232300272fc46cc7504974362c4b993742963bc7ae. 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/SEAEO0355210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b2b0b9825ead56f37d129885fce44a0e1d52f2fb32d8c68e390fb1c0e9cc7e. 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/SEAEO0355220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79686640a448462455b8421b2c4d3d19b2389b7b0ead2c774d2cadb14f472d9d. 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/SEAEO0355250.
Trio Sonata in D Major, Z. 811: III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceaea58843f86c7a14504aa2e5455120028ef945b9ea2ea0fa39e9aad89a8a96. 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/SEAEO0355290.
Trio Sonata in D Major, Z. 811: IV. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a52cf5644e340159d9b2c07789b2a000461dda02930c25f9cad46e7dd10c9f. 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/SEAEO0355300.
Trio Sonata in D Major, Z. 811: V. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa4911e43dcce7dabb7b6c21ea200e1e1e8eedaf72761958d49855071f4632. 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/SEAEO0355310.
Chamber Music: London Baroque - Rosenmuller, J. / Hacquart, C. / Buxtehude, D. / Biber, H. I. F. (The Trio Sonata in 17Th Century Germany)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0507340c272b5da3983470de1136074638f42287a88d6468d681e1f924accb8e. 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/SEAEP0845010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40070607a61d85135b2ed5f2eb9a7a2ae1ef8e32112ce83697044aabe111c317. 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/SEAEP0845020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb4a786ed8b9b4d51ae593231707f606c1ad453ffbf0112d82f8aff39160f64a. 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/SEAEP0845030.
Sonata à 3 in D Major, S-Uu 8:9 "Lanterly"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ae3e2ca84ece74805c08b47b2f5af0cceaa5c6f46e94b722a353756b457c77. 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/SEAEP0845060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3346ad30f0edd4e0416985a740d870a16b23354c58cf30a530ae562ab47d36c4. 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/SEAEP0845090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64aa2f4b566ae51410170d0a848a5323cdb6ff9e8ae028bf15defdd91f769387. 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/SEAEP0845100.
Sonata à 3 in D Minor, Op. 2 No. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f25960588ee6caccd2f81635699e17f499517efd3e6c6a741f2d628930e4d0. 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/SEAEP0845160.
Sonata à 3 in D Minor, Op. 2 No. 6: IV. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x391ecce79e6b7ac327aac540e14c417d7198c81d497caf98e8c55d2871fff9e6. 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/SEAEP0845170.
Sonata à 3 in D Minor, Op. 2 No. 6: V. Grave - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf74ddc239d0545b73ae0e6eeb9c54bd98c189c4c764ba3d26890bee3487e3d9d. 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/SEAEP0845180.
Trio Sonata in G Major, BuxWV 271: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ee32589556a38247786e3b51b8deb3e75bac798b284070f0b90c83d77f50fc5. 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/SEAEP0845230.
Trio Sonata in G Major, BuxWV 271: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23813e9539a09cecf11a028a9e0addec02f4470643788dd728889bcae2701a72. 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/SEAEP0845240.
Trio Sonata in G Major, BuxWV 271: V. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf295cdafb8e4d8702983b00fe7ef4365a93fd7d9b43708b2973e0373d526736e. 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/SEAEP0845250.
Harmonia artificiosa-ariosa, Partia No. 6 in D Major, C. 67: II. Aria con variato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5169a882f3d61fab2a0a4519451db071e68fae12c285f7f8ad022bd20fd55842. 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/SEAEP0845280.
Christmas Concerto in G Minor, Op. 6 No. 8: IV. Vivace - Allegro - Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21379b71d65b0c5038a0fb045349600dbbc224f34194454cce15c4fbacd2636f. 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/SEAEL0035190.