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 0x66617d5e8c52460fd845ec8b0327d2b56fc6fb6a23a7d0fce16e6cbb71345b58. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14ef9b16-d0d2-4b25-b046-c1f428b81987.json and https://artists.proofprofile.net/proofs/artist/14ef9b16-d0d2-4b25-b046-c1f428b81987.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 0x0fab283f9b7ed837d1a39cd5eaf9e11500d3dcb7ff1f77b0c1de1c501f4e4c4e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEY321202001.
Concerto 5 in A Minor, Op. 7: II. Largo-Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2e02236781e151c58943a983e8aa936ac108ce8670697f1710f166902a7999. 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/DEY321202002.
Concerto 5 in A Minor, Op. 7: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c57cc4d0aad341cd15a571e70b82820da01b3e216089e8352145ecde80b4d09. 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/DEY321202003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42bc6b58cee96acb96695813690557b0b1253b03b27e07806a96f0d173358182. 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/DEY321202004.
Concerto 2 in D Major, Op. 7: II. Allegro ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56d8fe6c76e9e665dab0677b9bd1e6f819eeabb4be5c9e2f3ab0a80171315211. 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/DEY321202005.
Concerto 2 in D Major, Op. 7: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd4c6e5b0c75a456c87e6f459476b6159cb0b376991bea9724bd0557c69fda9. 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/DEY321202006.
Concerto 2 in D Major, Op. 7: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57c3608a98a421daf9f194d96a63dc3983dfa6bfafea8400831c7defdfa30f1. 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/DEY321202007.
Concerto 4 in F Major, Op. 7: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e847ccd93581073454349ab94bddf4313b5bac2f1f3c0da037238f9a538bc82. 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/DEY321202008.
Concerto 1 in D Minor, Op. 7: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bd9bbf167d3db3f51ff0ecbb5bada84440522ad9736fe586c2b8c487e1b3981. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEY321202011.
Concerto 1 in D Minor, Op. 7: II. Aria gratioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c00a228737ee3a63a92d8de4d363835f80e7b0f9ec3bc5e8c9ae3af6918403. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/DEY321202012.
Concerto 1 in D Minor, Op. 7: III. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821c8b2981cb0351af72a37b84c01dd27ba04a9111bb904da944acf61e94b2b6. 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/DEY321202013.
Concerto 6 in A Major, Op. 7: III. Giga allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc894a70c30c2bf4d4e40682642729e3d39a22fadbf33f78d074cc604f11db498. 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/DEY321202016.
Concerto 4 in F Major, Op. 7: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce85e980ac2879e25227a22c187dca4b0278b181270b2e1af191fe37f505737. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/DEY321202009.
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
Concerto 4 in F Major, Op. 7: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab10d9eefeb6d9041d3c1582d19ca5569752f1dfc7d080858fce1805144c71d9. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DEY321202010.
Concerto 6 in A Major, Op. 7: I. Allegro ma non presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09377443357530f9e78a1e8dc53b7d7fb69b031646e9acb5ad5c6ba642cb2b9a. 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/DEY321202014.
Concerto 6 in A Major, Op. 7: II. Aria grazioso non troppo adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107660050848b5a26c13795809046d57584ea226bb02fd0879a873b18a67a390. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/DEY321202015.
Couperin: La Sultanne, Préludes & Concerts royaux
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x494c0b69bba5db928681b5fce2a8632a6103da216a631cb9cfa4fcadfbde2e64. 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/NLY331406810.
Bach Edition Vol. 16, Chamber Music Part: 11
Vivaldi, A.: 4 Seasons (The) / Cello Concerto, Rv 403 / Trio Sonata, "Follia" (La Petite Bande)
Trio Sonata in D Minor, Op. 1, No. 12, RV 63, "Folia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90d96c6053374a6389d433f1e30aec8341b70681e33ac5b09da9d8c7fd1c083. 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/DECP60612116.
XXV Festival - Mozart: Sinfonia No. 40 / Beethoven: Sinfonia No. 1 / Sousa Queiroz: Abertura
XXIV Festival - Mozart: Requiem,Ave Verum/ Nunes Garcia: Dies Sanctificat
XXII Festival- Rameau: Hypollite et Arice e Pygmallion/ Geminiani: Concert
XXI Festival: Muffat: Suites e Sonatas / Bach: Suite No. 4 / Lobo de Mesquita:
XX Festival - Rebel: La Fantaisie/Rameau: Les Indes Galantes/ Jerônimo de S
XV Festival - Leclair: Suíte "Scylla Et Glaucus"/ Bach: Cantata BWV 214/ Vi
Leclair: Sonates à violon seul avec la basse continue (Extraites du Quatrième livre)
Bach Edition Vol. 16, Chamber Music Part: 12
Corpo (Original Motion Picture Soundtrack)