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 0xd519edaeb81a7f72119dffee513e15d309a61177bd18e46682b48839bac2e593. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90d6b030-9d7c-42a4-9c7f-dcd461c246c0.json and https://artists.proofprofile.net/proofs/artist/90d6b030-9d7c-42a4-9c7f-dcd461c246c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mystery (Rosary) Sonata: No. 4 in D Minor “The Presentation of Jesus in the Temple”: Ciacona
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 0x02198ac4988e727c4915a48dc899f967c9fa99f647f06364758ce2b4b8e71501. 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/GBELX2308728.
Mystery (Rosary) Sonata: No. 5 in A Major “The Finding of Jesus in the Temple”: I. Praeludium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7217eb209dd258021c99683cdf1a0cfa9e5948cdb731a9189966c0df29cb5f8. 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/GBELX2308729.
Mystery (Rosary) Sonata: No. 5 in A Major “The Finding of Jesus in the Temple”: II. Allaman
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d86b9e9c03f3e86e31c419ecd94457eda066b13b340ae87d07eb7608eaebb0. 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/GBELX2308730.
Mystery (Rosary) Sonata: No. 6 in C Minor “The Agony in the Garden”: II. [Aria] - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd794f4d9a7a8c7ffda45bf8eb24cf04adb46975eeec6912576fc2929d6ecd3b3. 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/GBELX2308734.
Mystery (Rosary) Sonata: No. 9 in A Minor “The Carrying of the Cross”: I. Sonata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d25c5ac00b87f05cb4f1f78dce91134909d085b2c47b9b260b30ba94da8804e. 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/GBELX2308739.
Mystery (Rosary) Sonata: No. 1 in D Minor “The Annunciation”: I. Praeludium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5e2591d9cc4d6b9e5036d1868bab427fd81af8e932253c548fe9ec7a4c8082. 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/GBELX2308720.
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
Mystery (Rosary) Sonata: No. 1 in D Minor “The Annunciation”: II. Aria (Allegro) - Variatio – Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e6c2711f5f602fa277f4212f9dffe541ab07417a50f04f41139b825665a2e65. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/GBELX2308721.
Mystery (Rosary) Sonata: No. 2 in A Major “The Visitation”: I. Sonata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac92fa9336b43983f41724b3a2127dfb94577b82a7d3b728dffdf00f4a7c3475. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GBELX2308722.
Mystery (Rosary) Sonata: No. 2 in A Major “The Visitation”: II. Allaman
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5e9795be99500e9e9f28f0722e29fee9591affc90ee04ee69cdd61706db7e0. 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/GBELX2308723.
Mystery (Rosary) Sonata: No. 2 in A Major “The Visitation”: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbb5da8c95ae6f7cf9fb982812a5b7815fa401c8022195e11e7a2217ee5e244. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/GBELX2308724.
Mystery (Rosary) Sonata: No. 3 in B Minor “The Nativity”: I. Sonata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca77571a0d52c9d1aa7d2b844a6cc00c868b03c2b151ab3e67393db12f8cdbf. 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/GBELX2308725.
Mystery (Rosary) Sonata: No. 3 in B Minor “The Nativity”: II. Courente - Double
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54ea2c25e8de1f129511cb30d35452ba74d1a17a52c86e7e5f62c482f8170fa. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBELX2308726.
Mystery (Rosary) Sonata: No. 3 in B Minor “The Nativity”: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128c30146f18af70c636121fb76011894e4712774fe6ae9f8caa747ed25f608e. 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/GBELX2308727.
Mystery (Rosary) Sonata: No. 5 in A Major “The Finding of Jesus in the Temple”: III. Guigue
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1803aff5e91df507a234722b75c769f837883cac8073814700bbd8b4b29749a1. 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/GBELX2308731.
Mystery (Rosary) Sonata: No. 5 in A Major “The Finding of Jesus in the Temple”: IV. Saraban – Double
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d3edefffc213804fbd7ab5bdcf5f5eb9831d629e313c718d1c4f9694ef4101. 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/GBELX2308732.
Mystery (Rosary) Sonata: No. 6 in C Minor “The Agony in the Garden”: I. Lamento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fda42bfec4e54f95768cacb0c9aabb7ae55f0463159b440e1b663e0823de33. 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/GBELX2308733.
The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315 "Summer": III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9365b1fd0cea210d3cbabba88734c53b58b1db5916e2c6b3cb89b02258e98f4. 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/GBELX2107568.
The Four Seasons, Violin Concerto No. 3 in F Major, RV 293 "Autumn": II. Adagio molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3124ddc6ad47c75b46612f6fdc0a3a635915a9185eb134ef0d050604f0f83e9. 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/GBELX2107570.
The Four Seasons, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e5976d91e915ee55d91f650e6ea5442bdfd3dd9b0a235fd10dc158907b28c2. 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/GBELX2107573.
12 Trio Sonatas, Op. 1: XII. Trio Sonata in D Minor, RV 63 "La Follia" (arr. Sorrell)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7c40c0b06b7667058576d1fad0c3fe1bcdf810e76a3897e557534793165ed0. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/GBELX2107575.
Bach's Coffeehouse: Bach • Telemann • Vivaldi
Ouverture-Suite, TWV 55:G10 'Burlesque de Don Quixotte': V. Sanche Panse berné - 2024 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf902859d808fe308e6646634e37f5b5269e45533c9962c81d4317126db390e46. 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/GBELX2409049.
Ouverture-Suite, TWV 55:G10 'Burlesque de Don Quixotte': VII. Le couché de Quichotte - 2024 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b28cbe2c204634493da198911def46afea35628e7008f30b522138b22c4c817. 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/GBELX2409051.
Double Concerto for Oboe and Violin BWV 1060: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71425bbc1555a30c8f6b501dbee2c73c319d19f0bb9801e47baae11aaad62c9d. 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/GBELX2409053.
Double Concerto for Oboe and Violin BWV 1060: II Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380dc30fa6632fd045110f1a0e93eb3cbceeb40de2503ce34868a28aee614f7c. 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/GBELX2409054.
Double Concerto for Oboe and Violin BWV 1060: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea4e3302b22fb8de08aae78cbf479c3c91934bc67113df6dca3e0887ffa2ec9. 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/GBELX2409055.
Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d26e6ff95040335ad63e8627a62872e4a409a451cfb3491eab2f2cd0c07c482. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T18:58:51Z), 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/GBELX2409043.
Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe501ffb60e3604975b02fd355a25c11ee924755457dc29d4868879f9ffc3ad2c. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/GBELX2409042.
Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76de55f9ffb4f6654d78c229beeb75954f95fd2ab8883d310319b132ab214a9c. 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/GBELX2409044.
12 Trio Sonatas, Op. 1: XII. Trio Sonata in D Minor, RV 63 "La Follia" (arr. Sorrell) - 2024 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf44318fa1144ce50a805fd5c43f9e9219856c34550fa1d9db02de48cf43f160f. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBELX2409056.