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 0xcefc7a44e3abbe5b6e5f6410289dddc2288176a0fb12c56839ac5d819ae76c84. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ad4bcd9-0143-4984-b887-225bc81e2171.json and https://artists.proofprofile.net/proofs/artist/7ad4bcd9-0143-4984-b887-225bc81e2171.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 0x0445e8ecbe943a9386af1ffe74679c8c6f6192be4d8455d41e7dbe1e3b729851. 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/USA371010851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8668eb1b01f11a5986dbf5862ede24038e04d33cc18391702e94b66d50d73f. 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/USA371010856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced2643b1d4be14c414e93955eaf7840668405e1379720f80cc344dc1277153d. 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/USA371010859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b103b88809ed3675ccae8bc7fbb608f55c3c1a87b04209a3f9fe9b37bb3684. 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/USA371010862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437126c60b7109a8961a614327f8f20a17a6480010ce2349514da238f6c96b10. 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/USA371010863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91791354cae4a99dfaa3de7cde7cc786a4fe4d08257c707e4021b68c51dd62c7. 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/USA371010865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf021880f19ec53f528c708175062cadd528d1ab162abdc01c30dcc5b0ec58527. 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/USA371010866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc10b6adaf5be7dba8b30a14fc1d85a5912fcd3397cc4d5999e69170650783d20. 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/USA371010868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d1f9b2582cbbe74f3714e60a7b4572cacbabb9796d04fbdf6b88edda474ff9. 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/USA371010870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f02f821242d14f946011f205cee7cbd1497383c04022df7360f2f19030ab595. 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/USA371010871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf172cd542d04b33743d4b684cd7beea968d53c9405b359d2153e421b09364b69. 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/USA371010855.
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 0x5e7d1392cc52f8a692c3a1f1ff28b431317104987d9def9a97eeb52b8896c559. 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/USA371010857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf938df8d04ca31dbae1eabfa4df064aba1f58153994e8ae4d5abdfb2548085a0. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/USA371010860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d774c2a2743e0a940a73a7e11065a8e1e807bdfcdc319dbe7b114a91587199c. 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/USA371010861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb224f8f246cb6f77b98b4e0b5ad591188cdaf3e7cdb54761ab251b632739968. 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/USA371010867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa16a0ec90462bf8cb943ae420887735d3e0ecc5958a404603a194f6a3d31be93. 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/USA371010869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80035d2a8cf2dc30afe80195cdcb586306270e3433b9910738090030d8c901fc. 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/USA371010876.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fde1e7361072da629086c6dbe7821bf244a5544ae2547ca2a17bd31a5b4b90e. 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/DEF056002271.
Goyescas - Suite: 4. Quejas ó la maja y el ruiseñor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8f0e95e1dbf537e0afcf9c83285a37898e85909b5f498eca516cadfc6fc29f. 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/DEF059202034.
Piano Concerto No. 21 in C Major, K. 467: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e499a53edbe6ba743c527187ce999a479ee21cfb5ce3065eac3e5cc6e5f459. 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/DEF059305412.
Partita No. 1 in B-Flat Major, BWV 825: I. Praeludium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe8e756654abc1934712b5d7d963c2fe4f1e587379b9650398112f47787e72b. 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/DEF059403671.
Lyric Pieces, Book 4, Op. 47: No. 3, Melodie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a8c5921a47f025c6a75f3be91fb1e0d6d2cf07d7c4a8d971a792a03834bc5e5. 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/DEF057400330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367097104c03cf96d814be12469c258aa3a09c382bc7812a898c7269008beafe. 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/DEF056000070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aeada850295103d57aa845f714bae3b673a857a0058d1d0fe322dccaff27304. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/DEF057100470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2534e1c4dee3c21d5a58342d96f4d13d4a4902b4c6612a1a3b43ecab8e1858f4. 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/DEF058330101.
Bagatelle No. 25 in A Minor, WoO 59 "Für Elise": Poco moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686de8a83a45f61b9179c93958d218da37143c1319d3dd1c46549338864d0ac2. 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/DEF056400390.
Consolations, S. 172: No. 3 in D-Flat Major. Lento, placido
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68914b61af9028d4a5b1fca0c39d6225b1e789e4daa2e4910dd218b3d10154e2. 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/DEF057900552.
Nun komm, der Heiden Heiland, BWV 659 - Arranged For Piano By Wilhelm Kempff
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802881a1af7c3f44cd5e362b3b0c97cc46f1bbea0543a8fc71c8c475fcd32a60. 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/DEF057500590.
Piano Concerto No. 2 in B-Flat Major, Op. 83: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83515b0b08ffd5c4917704f347dafd825ffeafc430c2cdd05066c092c65d9dc. 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/DEF056001143.
Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e19e1d36edb82e90959d9d4ec5714445539a159285575161027abf64e4d9c1. 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/DEF057301813.
Piano Concerto in A Minor, Op. 16: II. Adagio - attacca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c5c4f898cdb7429104a410adbb5dc29b62c1fd56d11e701c0767af9813cde2b. 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/DEF059302021.
2 Arabesques, CD 74: No. 1, Andante con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d604a0c8c76ca069d0eadd41b05e5f6d3c50e2eea6b67df0229c05defef66ea. 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/DEF056903830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e339b50fc6afaa96881d9b6b5506554b11bf521aef899ec1951126f5584b7db. 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/DEF057101355.
Piano Concerto No. 1 in B-Flat Minor, Op. 23, TH 55: II. Andantino semplice - Prestissimo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e05ff94d1d73dd765ba796c1dfb6a7b8d0eddf752376400e193623b1f0023a. 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/DEF058500982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc0d6124388be9215e234046e0e2e2fcdf219b04e72ebb090f137cb38b0a1f5. 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/DEF059402310.
3 Intermezzi, Op. 117: No. 2 in B-Flat Minor. Andante non troppo e con molto espressione
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb57554056267aa6ae1aca2f4d613fe40e855ecdc93730aa90adca47b3132870. 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/DEF056301382.
10 Preludes, Op. 23: No. 5 Alla marcia in G Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39219239467594d528ff7b6b55428f2e526f822d12f5c48d176ee8aa9227b647. 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/DEF055900632.
"December" - A Season of Orchestra: Bach
Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eaad490c1b6eae0edec2318642bc8f5b0c8ee67cd48cbc67c3148f28e9e4c4d. 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/DEF056400107.
Concerto for Violin, Strings and Basso Continuo in A Minor, BWV 1041: I. (No Tempo Indication)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9fc241f7f7b942845754d005cec3b79540ed833fcb9053c9ca27dff65474ae. 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/DEN961600241.
Bach, J.S.: Piano Concertos BWV 1060, 1061, 1063 & 1065
Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 1. (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc6e4b291c6bf45c6bb9a252343535715b27d8bb43ddab370f0733dad6de5702. 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/DEF058500181.
Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 2. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c801fa6f0c084177171cccdcd6ef498304c21356fd8c404fd46044763b443d9. 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/DEF058500182.
Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9ff44148c3dd539c7632e8f40391c05e73493a3acffa093e384195c55742d3f. 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/DEF058500183.
Concerto for 2 Harpsichords, Strings, and Continuo in C, BWV 1061: 1. W/o Tempo Indication
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571b4da252161acd975f6b11e6894e24fc436fa03ee78b76a295e9ffc5ccc299. 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/DEF058500191.
Concerto for 2 Harpsichords, Strings, and Continuo in C minor, BWV 1060: 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebac37bf4e1ef7d803aa3a1c66bc984ee45f3e35a37fd8464e961ddedf208816. 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/DEF058500201.
Concerto For 2 Harpsichords, Strings, And Continuo In C Minor, BWV 1060: 2. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6b60bc567992439bf52fd548bf7b98ad17d751a5b659794ebd946ef888e204. 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/DEF058500202.
Concerto for 2 Harpsichords, Strings, and Continuo in C, BWV 1061: 2. Adagio ovvero Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce3aa1004d06fae2edc16c559204612122547fe0b78ec70bc4b690939c5b9ef. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/DEF058500192.
Concerto for 2 Harpsichords, Strings, and Continuo in C minor, BWV 1060: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x321fa1e366e00fd74ba4fe17037c950cd4ea95614b2e26970d03957ebf61e1bd. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/DEF058500203.
Concerto for 2 Harpsichords, Strings, and Continuo in C, BWV 1061: 3. Fuga
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c2e4c62e9c5390464e1c55ca42642da7a4b89fcbca76a4e41abc40e37e30ca3. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/DEF058500193.
Concerto for 3 Harpsichords, Strings, and Continuo No. 1 in D minor, BWV 1063: 1. (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b9066d58e7cb31221fa44ef659ecf57a404fa450914884183d4057e3089941b. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/DEF058500211.
Concerto for 3 Harpsichords, Strings, and Continuo No. 1 in D minor, BWV 1063: 2. Alla siciliana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31b18265bd73ab446577c5435a939be6cc950e1702f02174287e9bedd73d7ca. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DEF058500212.
Concerto for 3 Harpsichords, Strings, and Continuo No. 1 in D minor, BWV 1063: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdceead6f26dbe5f17803929c33c6fa3237dc459125e45419abf440926c964b32. 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/DEF058500213.
Brahms: Symphonie No. 4, Op. 98 (Mono Version)
Beethoven: Symphonies Nos. 4 & 8 (Mono Version)
Mozart: Airs et duos d'opéras (Mono Version)
Best of Justus Frantz & Christoph Eschenbach
Nachtmusik - zum Entspannen und Genießen