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 0xe3a3e5419d4e3e8a5723d99d53e14128ce775d823767ceba87d7d3b1200fbb5e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d192ee06-aa50-49fd-b069-ae89c1936abe.json and https://artists.proofprofile.net/proofs/artist/d192ee06-aa50-49fd-b069-ae89c1936abe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ouvertüren-Suite in D Major, TWV 55:D 21: I. 1.Ouverture
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 0x52985cf52cfe078635926627b6bd50cc4c2aa13718874ca4a6a6993c4731426d. 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/DEB202153301.
Ouvertüren-Suite in D Major, TWV 55:D 21: II. 2. Plainte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d55fe919e600c00fa3e5d97f8428850b9de55bce023d1981b5c604f38668d9. 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/DEB202153302.
Ouvertüren-Suite in D Major, TWV 55:D 23: III. 28. Plainte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28439e887f07bae3fcb6828853502c745b60dd260b71171d558b1c61ab5b2b5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEE471400563.
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
The Grand Concertos for Mixed Instruments, Vol. 6
Telemann: The Grand Concertos for Mixed Instruments, Vol. 4
Concerto for Oboe, Violin, 2 Horns, Strings & Continuo in F Major, TWV 54:F1: II. Scherzando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c2982412ed00df5409658e7b61000953b3a76156e8f1cf22f4617c0b3672e3. 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/DEB201489209.
Concerto for 2 Flutes & Violin in E Minor, TWV 53:e1: I. Larghetto
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Symphony in E-Flat Major, Op. 7 No. 6, WKO 18: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cdd097c583cd14ee42a29f48b6c3a179eb46668fafcd0a37c2b273b285a6fc5. 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/DEB201599310.
Symphony in F Major, Op. 7 No. 4, WKO 16: I. Allegro di molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7115fda5b6d6956981c4eda17600e90c1ead5dfc56f93cc371152308d1705908. 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/DEB201599313.
Symphony in D Major, Op. 7 No. 3, WKO 15: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef3aa04e17f791caccad61a5d7bb358f167cf36427af5cff836a93c9459d0bf. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/DEB201599301.
Symphony in B-Flat Major, Op. 7 No. 2, WKO 14: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f26ad11fc626a9643a21167df18fbf93176177a3fc521e5a3e4693a34aeeeb. 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/DEB201599304.
Telemann: The Grand Concertos for Mixed Instruments, Vol. 3
Telemann: Ino Cantata & Ouverture in D Major
Telemann: The Grand Concertos for Mixed Instruments, Vol. 2
Virko Baley: Multiple Personae — The Family of Clarinets, Timothy Bonenfant, Clarinets
Telemann & C.P.E. Bach: Bürgerkapitänsmusiken
Johann Sebastian Bach: Toccata and Fugue Selection
Scarlatti: La Colpa Il Pentimento La Grazia
Telemann: Ich hoffete aufs Licht, TWV 4:13
Scarlatti: Oratorio per la Passione di Nostro Signore Gesu Cristo - Stradella: Lamentatione per il Mercodi Santo
Virtuoso Recorder: Concertos of the German Baroque
Recorder Concerto in F Major, FWV L:F deest: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b85e5daf2987cf6513538d6099e7dc10ac1d28c0e523c6b5c77bff99c542a20. 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/DEB200953402.
Concerto for Recorder, 2 Oboes and Bassoon in G Minor: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d55eaf57038c6a24f5d00432fa687c5a1456b2abcd3c1323515d0119104239. 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/DEB200953405.
Concerto for Recorder, 2 Oboes and Bassoon in G Minor: IV. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec78fc74c55206ebad594fc09a5c7553251c7f17d39b045c1bb0762ccad1ceb. 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/DEB200953407.
Recorder Concerto in B-Flat Major: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdfd8c8f48685874fbcf4648adc028ee55c1f96fa6c7701837578b24a2f3299b. 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/DEB200953410.
Recorder Concerto in F Major: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8447a673925a73798e70c5b83b4cab4a9fd7ab38ef429ee57f5292e53d70be. 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/DEB200953418.
Recorder Concerto in F Major, FWV L:F deest: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb0df8be7633be369f82859bc82dd3267621eb8a1478fd0e4f51528522a2ecc. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DEB200953401.
Concerto for Recorder, 2 Oboes and Bassoon in G Minor: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9dadf2becab6410a749168b0d60a5665fbca5c1995a928adaefe5aca17e857. 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/DEB200953404.
Concerto for Recorder, 2 Oboes and Bassoon in G Minor: III. Un poco allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d63ea112761023f1e5f2acadd4aef6b72b6681b363caaeab591c20a61dce72. 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/DEB200953406.
Recorder Concerto in G Major: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1a8788b46c85d90d74013f45978823a49f78ba0ff22cb15055803b59d31576. 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/DEB200953414.
Recorder Concerto in F Major: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f5d24fe04c588b258a76bba9c987a4b120e1463e6f0a2ad8b23505490d7e43. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/DEB200953416.
Schneider, Michael: French Recorder Music, Vol. 2
Kraus: Miserere in C Minor, Requiem in D Minor & Stella coeli in C Major
Requiem in D Minor, VB 1: II. Te decet hymnus Deus in Sion et tibi reddetur vatum in Jerusalem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebe31d3b1cae5787aa14f6f1cb6c504694af026299194b34b99e62cbae824070. 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/DEB200840915.
Requiem in D Minor, VB 1: IV. Dies irae, dies illa solvet saeclum in favilla
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc488a0958ea4bf4bcb4241ba61ecaefc41af0dc506c028f33c78c3d11eca9b43. 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/DEB200840917.
Requiem in D Minor, VB 1: V. Lacrymosa dies illa, cum resurget ex favilla
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb534ab56988118a83e133a1209a0c03fde21bb15b10dfb87ff3d06341921cb. 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/DEB200840918.
Requiem in D Minor, VB 1: VI. Huic ergo parce Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9989963ca215a6e57a1d0d3de48706bd4b2e0b03ee5661a446f2c0189f21b59. 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/DEB200840919.
Requiem in D Minor, VB 1: IX. Sanctus, sanctus, sanctus Domine Deus Sabaoth
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Requiem in D Minor, VB 1: XI. Agnus Dei qui tollis peccata mundi
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Requiem in D Minor, VB 1: I. Requiem aeternam dona eis Domine
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Requiem in D Minor, VB 1: III. Kyrie eleison
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Requiem in D Minor, VB 1: VII. Domine Jesus Christe rex gloriae
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Requiem in D Minor, VB 1: X. Benedictus qui venit in nomine Domini
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Telemann, G.P.: Wind Concertos, Vol. 4 - Twv 51:A2, 51:D2, 51:E1, 52:A2, 53:B1
Telemann, G.P.: Aus Der Lowengrube Errettete Daniel (Der) [Oratorio]
Vivaldi, A.: Recorder Concertos (Complete)
Recorder Recital: Schneider, Michael - Handel, G.F. / Telemann, G.P. / Barsanti, F. / Scarlatti, A. / Sammartini, G. / Mancini, F. / Castrucci, P.