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 0xd1a694d03664058f46a622ac2da3d9effdf1f8dfb2f0c3a32444d8676f59d5a5. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d03bc580-9462-43a9-bec8-578c6130cbcd.json and https://artists.proofprofile.net/proofs/artist/d03bc580-9462-43a9-bec8-578c6130cbcd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Meditar en Casa - Musica Relajante con Sonidos de la Naturaleza para Aprender como Meditar
Vivere Zen - Musica Rilassante Terapeutica Spirituale della Natura per Mente Sana Massoterapia Salute e Benessere
Focus - Musica New Age per Studiare e Concentrarsi Attentamente con Onde Cerebrali Alpha e Gamma
Yoga y Meditación - Meditar con Música Suave, Hacer Yoga cada Mañana
Sole Alto - Musica New Age Rilassante Curativa per Aumentare l'Autostima Tecniche di Rilassamento Prano Terapia con Suoni della Natura Strumentali
Inspirational Thoughts: Music for Positive Attitude with Relaxing Meditative Mindfulness Sounds
Musica para Concentrarse - Musica Suave para Estudiar
Massagem de Casais: Massagem Relaxante, Spa, Ambiente Aromatizado e Climatizado
Medio Este: 2 Hora de Música Relajante India, China, Japonesa, Sonidos de la Naturaleza
Músicas para Dormir, Relaxar e Meditar: Sons da Naturaleza, Bem-estar e Serenidade
Felicidad Meditativa: Música de Meditación Serena para la Relajación y la Renovación
Melodías Suaves Para Spa: Relajación y Meditación Profunda
Deja de Pensar: Música para Relajarse, Calmar la Mente, Combatir el Estrés y la Ansiedad
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 0xfde0000fd0e0aea3cb661bfec426a14c83b83a41396a471a53108efe9cb48ea3. 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/ITO101670081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd15a0802dd095bcac12fcdd36ed5e6d7a4e8759a696ede7a2be2528ada29622d. 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/ITO101670082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e127420910769614fbb935c2599c41a64ba41a2194f5f1254d017bdf6eeca2e. 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/ITO101670083.
Música para Bebés y Recién Nacidos: Música Clásica de Piano con Flauta Shakuhachi y con Sonidos de la Naturaleza para Calmar los Niños y Relajar la Mente y Cuerpo de las Madres Embarazadas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf09f9369e400fabf22482497fbb14ef9463e8d6d2721cce2979c608f7f9962b5. 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/ITO101670084.
Musica para Dormir Anti-Stress - Música Calmante para Combatir el Insomnio y la Ansiedad
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfde0000fd0e0aea3cb661bfec426a14c83b83a41396a471a53108efe9cb48ea3. 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/ITO101670081.
7 Chakras - Sonidos Relajantes y Musica para Abrir y Alinear los Siete Chakras
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f567bb0b2239b93f5bf5891cc9532f05400aa70bddbe10e782b279e2396854. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ITO101672878.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e7cdd17174bd9938b9713a8fb61b2f75a8fb9b75923721a38c0220bfc96f0f. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/ITO101670080.