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 0x6b595085a85d205d66f50ce607da57033527e80d3b10f69a1d35efa072b49315. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94b7c918-97b0-4c51-8dc3-4076ec28ed4b.json and https://artists.proofprofile.net/proofs/artist/94b7c918-97b0-4c51-8dc3-4076ec28ed4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Die Zauberflöte, K. 620: Ein Mädchen oder Weibchen (Arr. for Oboe & Orchestra by François Leleux)
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 0x517c7ae35ccdce6771441341bc1749c35962c0110c8bef44643da1aa81edf185. 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/DEE860800580.
Orchestral Suite No. 2 in B Minor, BWV 1067: Minuet and Badinerie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e1cec6697bc68c0f103bd4108d3df7a164452e0c613764345ec52352428b0f. 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/USBC17500222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c84631f5947f6c6ae3f0c28049f710d27647d596fdb4e388dd5ed3b38aab1e7. 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/DEE860901329.
String Quintet in E Major, Op. 11, No. 5, G. 275: III. Minuetto con un poco di moto - Trio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0356f8a55231bd18021781691e96eaba20395c5842e87ecb1ec9950c51c9c8a. 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/DEE479100197.
Sonata for Violoncello and Basso continuo in E Major: III. Siciliana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa662674b29701e78f8416d404e47488c3feae980d7cda1cb4572657f1111de9a. 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/DEE471300112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148bfd4ac6f860ed4f86e4383d332b06631e40f749ac87daa471ff7a1c130df5. 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/DEE860500759.
Solomon, HWV 37: The Arrival of the Queen of Sheba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c2ed43b7c9d00df9863ec77516a77444552cf7b13d8744a9034cbd359342fb. 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/DEE860701032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86da906b7fa88690dba7de7386fc1ab784bf6c2a94296eda3a9968371094e63f. 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/USSM11001000.
Piano Concerto No. 21 in C Major, K. 467: II. Andante (Arranged for Violin & Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5064979c3a5651aabccd3efef70b0d26ad03757f53f7be35f5fcb0406ba6fc5. 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/USSM10310661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d1e5a886bba9f3d5df0c410369af12a97565aef88393b53e61c82b288b26fb7. 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/DEE471200034.
Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
Cello Sonata in A Major, Op. 5 No. 1, H. 103: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0861a2735cc381a9091b365d75ea2a37766caf8cc4ebecf53938e1be66210aaa. 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/DEB202240202.
Cello Sonata in A Major, Op. 5 No. 1, H. 103: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x682943b36bcbbfb9a1a14f59637e717f9e63573748a97abbe4f770a2a452d71d. 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/DEB202240203.
Cello Sonata in A Major, Op. 5 No. 1, H. 103: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e26df6f528f45fe778f2d8f147a0b207dddbfe070e7651b4ed25ccedeaacc05. 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/DEB202240204.
Lute Sonata No. 11 in D Minor, WeissSW 11: I. Fantasia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d269e3c46fdb329087dbc1111efa1b8359240ff37d87832415a6c0c524ab19. 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/DEB202240205.
Cello Sonata in D Minor, Op. 5 No. 2, H. 104: II. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed1a9697c6df1d4758d408d2b2ad784e3485e91fde9acec76b12386abc4ef0a. 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/DEB202240207.
Lute Sonata No. 37 in C Major, WeissSW 37: I. Prelude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d8684804e28de90d33fef9d238d84aab446e4d409b564f28742ba9fe653823b. 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/DEB202240210.
Cello Sonata in C Major, Op. 5 No. 3, H. 105: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93dd830c29ce477dccf11baa3668725130d9d574095b61e050e925d80e5496e2. 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/DEB202240211.
Cello Sonata in C Major, Op. 5 No. 3, H. 105: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8030fba8847256f65de21bcc8975eb78d506ac548a7f0d2b91e50e244d6b3f. 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/DEB202240212.
Cello Sonata in C Major, Op. 5 No. 3, H. 105: III. Affettuoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b10e1e989c33da028ae85890a10a781ab5f6d8aac3e62af061d364053db9936. 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/DEB202240213.
Cello Sonata in C Major, Op. 5 No. 3, H. 105: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20e391c952fcc20c3e6e86284a1607d349e618dcf0566d82fba5f43b4f39493. 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/DEB202240214.
Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a11e9e077e56c58ad46b2e916c9cbf95cb756f65a43130b3e1bf6c94928101e. 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/DEB202240216.
Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c93e4eae7b2b5b56cbbc278d72375067e39ed4fbd662b84ac721121a980354. 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/DEB202240217.
Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd662122e6bb77599d210d7e1b89f10c16e2a4f474b2b0fa673d8a1d9fdf0a8. 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/DEB202240218.
Cello Sonata in F Major, Op. 5 No. 5, H. 107: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae1fd7ccb3ad6220a37eb7db9660a3fd00fb5899a0d3ba8401577b1288fa6e5. 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/DEB202240220.
Cello Sonata in F Major, Op. 5 No. 5, H. 107: II. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde196b036c7accdd5d3df9d19cdcbc675c79ce88c00d2b0af84f3f45c16ccb51. 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/DEB202240221.
Cello Sonata in A Major, Op. 5 No. 1, H. 103: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c73714b62968f95eebde20e409ad1ebf50b38f2bfe2f4849311ffbbfbfca31e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEB202240201.
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
Cello Sonata in D Minor, Op. 5 No. 2, H. 104: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab118d469fd62d878976966e8e6b18013a4a3ad0bbab6d046d34b836adbf88b9. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/DEB202240206.
Cello Sonata in D Minor, Op. 5 No. 2, H. 104: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da8d1d554ae0525cae5ccdad8daa051ab3db260c9558e3eb63100a14262b951. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/DEB202240208.
Cello Sonata in D Minor, Op. 5 No. 2, H. 104: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad3a93317c0539b42f7db24111e246367f6210dbd51dfa228a16dc5c84c493b. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/DEB202240209.
Cello Sonata in F Major, Op. 5 No. 5, H. 107: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9f4535d0cc490008727923e6326de1cc247ba99aa9aa8d0ce138fa2762726d. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/DEB202240222.
Cello Sonata in F Major, Op. 5 No. 5, H. 107: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd94333e50752c4b64ac371541aaef6dcf5f07b3ed9529c1b615635cb6630c52. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEB202240223.
Cello Sonata in A Minor, Op. 5 No. 6, H. 108: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3455f6c2264068488c9de82b7f9eef5fd245bb0687eb7470c51ccda74c5ed7. 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/DEB202240224.
Cello Sonata in A Minor, Op. 5 No. 6, H. 108: II. Allegro assai - III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5deef651799bb5d7e00929df1082596f78c20f0afc2d23040c6ebebf4f6cd46a. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240225.
Cello Sonata in A Minor, Op. 5 No. 6, H. 108: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1a0a0e876400f78f72a5600ae277bb54e13b76d582c7532dad8c45af0a18cb0. 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/DEB202240226.
1824 - Hummel, Romberg, Rossini & Schubert
Vivaldi: Sonatas for Cello & Basso Continuo
Cello Sonata in E Minor, RV 40: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6c3aec128e212db6f32a042bfeebe87440c798b8b1bdc08411fa315ad5ce3d. 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/FR7JM1770010.
Cello Sonata in E Minor, RV 40: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38027be019df5eae64eceda46d53cfcdf58f0a378afa23e3785d607f2aae12ad. 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/FR7JM1770020.
Cello Sonata in E Minor, RV 40: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53273978d4ad120ff5ba01d6b314b09d6bce5d29bdb5ed6e6c2c3142d09a4ce0. 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/FR7JM1770030.
Cello Sonata in B-Flat Major, RV 47: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe06fa0c25f6fc140499b7beae918b79fea3046e1eee399d1753572f99dc41192. 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/FR7JM1770080.
Cello Sonata in A Minor, RV 43: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a094783093f0680b0f2473ee955c6ec65aae4a313930e38a6aee874aec89b3. 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/FR7JM1770100.
Cello Sonata in B-Flat Major, RV 45: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf4ac0b4b12b282d7d4e25b514f6f88894cd672897dca1b82e73d2be4fb0d67. 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/FR7JM1770140.
Cello Sonata in B-Flat Major, RV 45: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff33e139b7260eb44ea1ea59046facb0b68d98397706478c638dcd994c8b1e0d. 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/FR7JM1770160.
Cello Sonata in F Major, RV 41: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4286315d9e1109cb3cfe033b03368df14400614d2ce9190e07387af776c0c5e8. 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/FR7JM1770170.
Cello Sonata in F Major, RV 41: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eeb722ae890b3bfd0ef99da8082215a82552e44eb62e4e0b5f08d770d1b34f4. 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/FR7JM1770190.
Cello Sonata in B-Flat Major, RV 46: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4ddff3ac25fc0d82e205fb51efbff0ece339a2b0842df508111d4603189769. 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/FR7JM1770210.
Cello Sonata in B-Flat Major, RV 46: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159cce6bedcedeaff80d6a028a4dede29f157d01447f28f541d8d19320dcb04a. 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/FR7JM1770230.
Cello Sonata in E Minor, RV 40: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ebad139f2c6cebfb5af4abc11bcf3fe145b14a3fca983a3c0e482617784451. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:48:08Z), 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/FR7JM1770040.
Cello Sonata in A Minor, RV 43: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83278bfa07696f3dafbb4ad2406e31afd1e0d748482a9c6e163135bfbea37d02. 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/FR7JM1770090.
Cello Sonata in A Minor, RV 43: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49c3539e117713334ccdc37381b8f1cb8b4c0e8ccadef05f5ae5813f5bc66c7. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/FR7JM1770110.
Cello Sonata in A Minor, RV 43: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc247e04907ddd066ccd55682b4aac0c466ae896e6075ce401b9fa3c177a0e0b6. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FR7JM1770120.
Cello Sonata in B-Flat Major, RV 45: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13afe1fa0ec5abbd3060c64c499c1826b53d10ccc13b85f10b525b986ce9f37b. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FR7JM1770130.
Cello Sonata in F Major, RV 41: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb166c007a86973b290b7b97fe9d021d8adcb7db0a8b2b21abf27342dda0479bc. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/FR7JM1770180.
Cello Sonata in F Major, RV 41: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5878ec1651f83b91a960f7d8bc920113347bb5d6e3fec9c1b9cd3238c7ec6b8a. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FR7JM1770200.
Viaggio Italiano: Sonatas for Cello and B.c.
Arpeggione Sonata, D. 821: II. Adagio (Arr. for Cello and Guitar by Stephan Schmidt)
Trio No. 1 in E Minor: I. Allegro non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7bd7082ccdcd5098eb8f2b2138d7388a25ce12f2e95fc26dd7c9fbe4a797ce7. 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/CHE272100788.
Trio No. 1 in E Minor: II. Andante grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1107ccf73707fc733194bf14f437e093ab4d11424fea905ab3d5b406bdc5e37a. 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/CHE272100789.
PROSPERO Catalogue 2024 - Our Listening Tips II: Various Composers