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 0x7137e628eab51e0626311ba5f3701a5446c1f32d5c526c0a0787f78321cb22ce. 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/b744f7a1-33f2-4226-bb0e-7c741493c9e2.json and https://artists.proofprofile.net/proofs/artist/b744f7a1-33f2-4226-bb0e-7c741493c9e2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
French Chamber Music for Woodwinds, Volume One: Debussy and Saint-Saëns
Sonata for Clarinet, Op. 167: III. Lento
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 0x61cae47c0f9cd3de6cf251112093c540332707afda3861a945b68b69bed99264. 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/GBLLH1901045.
French Chamber Music for Woodwinds Volume Two: Ravel & Poulenc
Trio in A Minor, Op. 114 for Clarinet, Violoncello and Piano: III. Andantino grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a143497ed961891eb7a3c79d30f0efdc1249cc1391b25af7f7bbcda9c78efd. 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/NLG620410286.
Quintet in B Minor, Op. 115 for Clarinet and String Quartet: III. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5680392a8fe100ecd4116ba9e8343e39f9c94a5448e809809ebe7631bb64eaf. 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/NLG620410289.
Trio in A Minor, Op. 114 for Clarinet, Violoncello and Piano: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d94ea60c1dc0f1dc76c2189452dd3458b5272a15475f11ae23e19730f7ab64. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/NLG620410284.
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
Trio in A Minor, Op. 114 for Clarinet, Violoncello and Piano: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ddab9b0120fc553063d2ab3e38ecd498bb23cf4304a9f9e62dffa420e71114. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/NLG620410285.
Quintet in B Minor, Op. 115 for Clarinet and String Quartet: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca4516ffee7db52d0d56237d391ad02b3d2d6685726e3b1577c52e760f62be39. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/NLG620410287.
Quintet in B Minor, Op. 115 for Clarinet and String Quartet: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830d3c9412d759298a155b9330a18a9279bd59028ee65ca63458dd965abf0864. 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/NLG620410288.
Michael Gordon: Big Noise from Nicaragua
L'arte della manipolazione mentale - Leggere le persone: Diventa un esperto della psicologia, riconosci immediatamente le tecniche di manipolazione nella quotidianità e sfruttale a tuo vantag
La poderosa Psicología: Cómo utilizar la psicología y las técnicas de manipulación probadas en su beneficio, leer fácilmente a las personas, influir en ellas y ganarlas en un abrir y cerrar d
PNL PER PRINCIPIANTI: Sfrutta a tuo vantaggio il potere della psicologia, della manipolazione mentale e della comunicazione e con la forza del tuo subconscio diventa la migliore versione di t
El arte de la Manipulación - Leer a las personas: Conviértase en un maestro de la psicología a partir de ahora, reconozca inmediatamente las técnicas de manipulación sistemática y utilícelas
IL POTERE DELLA PSICOLOGIA: Come sfruttare a tuo vantaggio le migliori tecniche della psicologia e della manipolazione mentale, leggere gli altri con facilità, influenzarli e conquistarli all
LA PUISSANCE DE LA PSYCHOLOGIE: Utiliser la psychologie et les techniques de manipulation à son avantage, maîtriser l'analyse comportementale et apprendre à influencer son entourage
L'ART DE LA MANIPULATION - Décoder votre entourage: Devenez dès maintenant un maître de la psychologie, reconnaissez les techniques de manipulation facilement et utilisez-les à votre avantage
Das große Hühnerlexikon - Hühnerhaltung für Einsteiger: Alles über artgerechte Haltung im eigenen Garten und Hühnerstall, Ernährung, Züchtung, Pflege und vieles mehr - Der praxisnahe Leitfade
NLP FÜR ANFÄNGER: Nutzen Sie die Macht der Psychologie, Manipulationstechniken und Rhetorik zu Ihrem Vorteil und werden Sie mit der Kraft Ihres Unterbewusstseins zur besten Version Ihrer selb
Bliss: Clarinet Quintet - String Quartet No. 2
Brahms: Trio in Aminor, Op. 114 - Beethoven: Trio in B-Flat Major, Op. 11
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8314653e02612621198934595c95bdcca5d8b33dc45c09bf995c0627aa7d987. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZUDB2200087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd245f9795352ac724506ff70f1af6cbd315e98a1ae5c5355efc2a6c79d9c527. 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/QZUDB2200090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabbd4fc4c4398e90ba9a4fe3b8876e3d1422772069508c7c1c26a46ecf2d32d2. 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/QZUDB2200091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513a4e0d913513a370eb8ed9ef9dcea031f53044bbffc77f8e958ae4ccec1adf. 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/QZUDB2200092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76047cc1d38ca04e4ef6a08255d752c59ae90f327cb40a630c29b6aefc3f95a. 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/QZUDB2201132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596112fad9f3d8ee5c30d467afe28289f46426be456c487b805089be70c290ca. 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/USAB10710821.
Bliss: Clarinet Quintet / String Quartet No. 2
Clarinet Concerto in A Major, K. 622: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca437d377dce9b811f0216e43ed94ac9544f21e90b845274b5e84c424d3e595. 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/USX761007102.
William Boughton: A Celebration on Record
Camilleri: Music for Clarinet, Violin and Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcada51bb1f7c1e3f7702f1d2a1ed28cd650cb4c3de3721d2745bd4f5364910fa. 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/USJ3V2410713.
2013 Texas Music Educators Association (TMEA): University of Texas at Austin Chamber Singers