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 0xb82798e6b86121408927f9934c94557d2de6d2c3518c32c1f09d308f0f7d476b. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/506418e1-0127-4cbe-9fe8-82511c96dd4a.json and https://artists.proofprofile.net/proofs/artist/506418e1-0127-4cbe-9fe8-82511c96dd4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gravidez e Musicas New Age para Relaxar: Musicas Relaxantes para a Mãe, Sons da Natureza para Gravidez, Parto e Música para Bebe Dormir
Gravidez e Musicas Classicas para Relaxar: Bem Estar e Harmonia, Musicas Relaxantes para Gravidez e Parto, Relaxamento e Boa Noite
Gravidez e Musicas de Harpa para Relaxar: Musicas Relaxantes e Sons da Natureza, Harpa para Relaxamento, Harmonia e Boa Noite
Quando o Inverno - Piano Relaxante para Ler na Época de Frio Máximo
Café & Piano: Piano Perfeito para Acompanhar um Café
Música Antiestres: Musica Relajante para Yoga, Reiki e Meditar Profundamente
Piano & Fuego: Una Serena Melodía Para Dormir Toda La Noche - 2 Horas
Meditación Rejuvenecedora Para Aliviar El Estrés
Meditación En La Naturaleza: Agua Cayendo
Mixtape De Lofi: Canciones Serenas Para Escuchar y Relajarse Tarde Por Las Noches
Música Binaural Para Despertar El Alma Vol. 1
Una Radio Lofi: La Mejor Selección De Canciones Lofi Para Resetear La Mente
Música Ambiente: Sonidos Para Relajar La Mente Vol. 1
Música Para Dormir: Ambiente De Insectos En Los Árboles Vol. 1
Lluvia Y Música: Una Canción Sobre Una Lluvia De Verano
Relax: Música De Piano Para La Calma Y La Paz Vol. 1
Música De Relajación En Piano: Una Noche De Jazz Suave
Melodía Instrumental De Lluvia: Calma Y Serenidad De Spa
Piano Y Lluvia: Canción De Cuna Para Soñar Toda La Noche
Música De Guitarra Y Lluvia: La Serenidad Del Spa Vol. 1
Sonidos De Piano Infinitos Para Vibraciones Etéreas De Gatos
El Mundo Tranquilo Del Gato Con Suaves Sonidos De Piano
Tormenta De Ensueño: Suaves Melodías De Piano Para La Tranquilidad Del Bebé
Euforia De Piano: Relajación Y Renovación En El Spa
Fuego Consciente: Sonidos Relajantes De Piano Para Una Concentración Ininterrumpida
Huellas Armónicas: Piano Meditativo Para Momentos De Descanso Canino
Armonía De Perritos: Sonidos De Piano Meditativo Para Cachorros Pacíficos
Armonía Calmante: Piano Meditativo Para La Relajación
Teclas Zen: Piano Meditativo Para El Flujo De Yoga
Caminos Armónicos: Susurros Melódicos De Pianos Serenos Para Gatos
Claves De Concentración: Enriquecimiento De Piano
Iluminación Del Estudio Etéreo: Camino Enriquecedor Del Piano
Teclas Etéreas: Armonías Meditativas De Piano
Notas Para Dormir: Himno Calmante Para Piano
Flor De Loto: Piano Pinta Paz Desplegándose En Melodías Suaves
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 0x30087f42c9615cf0c87d6813b69b49cf9a4373ea5fbbce9fb4d226761fe09133. 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/USLZJ2475592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2742c97cd49c03064c57a9d187edef936a0df44a34fe61c5c7c871b11024a9da. 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/USLZJ2475609.
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
Concierto De Golosinas: Trinos De Piano Para Garras Felices
Sonidos De Huellas: El Piano Baila Con El Ritmo De Los Amigos De Cuatro Patas
Esencia Rítmica: Rapsodia Central De Piano
Enfoque Con El Piano: Concentración Melódica Para El Trabajo Profundo
Concentración Profunda En Las Melodías Del Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2595a149905fc9335f847ae7c4a0add876e51337638225d3234054dfe0ac8fee. 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/GBRKQ2420283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53161aeab4240b1c5d3888e5880c4345b35504c93e89996738afbd202ebee62. 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/GBRKQ2420314.
Eco Armónico De La Concentración Del Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc10758cb845fcc1c9875de13b18bca637e02940991c75433fdd71bf26150bb22. 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/GBRKQ2420298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e77badb738729a8fe363b3bee0432b927d123ff35cc878fb834ef019d442520. 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/GBRKQ2420328.
Música De Piano: Esencia Melódica De Relajación
Crianza De Piano: Aire Suave Para El Bebé
Serenidad Para Mascotas: Melodías De Piano Reconfortantes
Tapiz De La Música De Piano: Armonías Entrelazadas
Melodías De Piano Tranquilas Para La Atención Plena Y La Claridad