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 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 0x20e40d87ef5fb1e8e1ef5335506183049472c7a0ca6a642891816fe8a5d49f65. Chain 2 (Bitcoin): anchored in block 953618 (2026-06-14T09:16:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cc23f45-5a57-41c0-b45f-d9e40ab4782f.json and https://artists.proofprofile.net/proofs/artist/1cc23f45-5a57-41c0-b45f-d9e40ab4782f.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Affirming Sounds | Sleep | Spa and Meditation
Música Para La Serenidad Del Spa: Sonidos Calmantes Que Se Despliegan
Relajación Tranquila: Sonidos Relajantes Para Descansar
Vibraciones Tranquilas: Música Para Desconectar
Rapsodia Interior: Exploraciones Musicales
Música Relajante Para Tardes Tranquilas: Sonidos Reconfortantes
Música Para La Relajación: Capas Armónicas Sutiles
Reflexiones De Meditación: Suaves Melodías Para La Contemplación Silenciosa
Paisaje Sonoro De Relajación: Música Para La Calma
Orquesta Tranquila: Ambientes Clásicos Calmantes
Cuerdas Atemporales: Música De Guitarra Para El Alma
Armonía Para Un Sueño Tranquilo: Ritmos Reconfortantes Para La Noche
Reflexiones Suaves: Música Para La Tranquilidad Interior
Música Para Terapia De Masajes: Toque De Serenidad
Música Para Una Concentración Profunda: Ritmos Focalizados
Mentes Creativas: Capas De Composición Dinámica
Melodías Intelectuales: Música Para La Concentración
Música Para Dormir: Tonos De Sueño Profundo
El Bienestar de la Pareja: Música Relajante de Spa para Masaje y Momentos Íntimos en San Valentín
San Valentín - Canciones de Amor para el 14 de Febrero | Día de San Valentín
¿Cenamos Juntos? - Música Suave y Tranquila Acompañar una Cena Romántica y Especial
Bossa Nova Romantico - Jazz Chillout Strumentale per Rilassarsi e Ballare in Coppia
Una Experiencia para Dos - Ambiente de Spa para una Noche Romántica con tu Pareja
Musica per Centro Estetico - Musiche Romantiche al Pianoforte per Relax, Coccole e Massaggi
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 0x1572af58b91519743cdf978a1fc9a9fa034cdd3281ad0b85e4cc95f82b1eddc2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0211283 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f883e0df58deaec6ca38e9999210db19bd6cc4f26514d457fef9cb534c1bb1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0710340 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc63d2bee260f82a73815cbef325f41e69a237cc0e9e5db04fc13d18bed020e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0225827 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5738441ecb6e95ad7c8e133bc406e8abc9e39501ee03cf820d552a7b0f2d7998. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0226835 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d49352bc47b912b90c6cc03f1abce87f24ce8083388c2ced11b09052a7edb7. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0225452 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07115f13c07ace0ee91ecb4d8f42460ec529bc7d2ad25defea7b7b5b46f123f9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0225556 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752554fae1505cb8d65aa81cec4a50c1fcaf4093888d8df598d755f1641591d8. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0111558 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c5f3e092981b68a334249ff32273f4ee8c1d002e70cb75c337545fc936985c. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0112549 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ccea76055f5affec91d3d3120dec02ec1827f58a3712a697c3f0b609368a0c4. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0222823 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411cb75bcba78fc6fff8512f82e15d02b2766f38053355faae18d14a94c87fc6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0223781 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58cb21cc8ecb060ae30dc86c11c74eb6d743fb3ba7f77b3172a9639c8c961572. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0310034 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f013538ae995f65797c865b87abbea10d945c7b0c0c290bfa8cd762e129035. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG1110065 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3ab53adca48ab245aca76803f78ee5387e2fb9ad12d6f6146e6538321e2baa. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0111548 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4303ef1aa664f833bdf18008f96fe8aaa2cb25c4fdf0c4c728dc12cb0fd39fd8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0910206 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f9ca050c4ff1824d974468895505640ba5b680419b50436a12deb7fb257b55. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0910323 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829c91b05700e3254ffa4fa50f1c5878ca250b6f16897003c7361c7f4179afc4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0111566 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88307f90491dd57d6013ae0587a0fd25272f296eb402bde7fedb5f4e2d0797cf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0113423 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a177ceb24d97ad70c4e1b59fee99f35dbba25a90b9d58c2871d5c2ba9ea5738. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0610045 — a six-check JSON result.
A Romantic Piano Night Out (Solo Piano Versions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629773896a2b31c4ba070f1638774fb1bccfce67e1472703bd804c3cd831f455. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR0W69906357 — a six-check JSON result.
The Lost Violins of Perelandra (soothing violin duets for meditation, relaxation, ambience and rest)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe44cc51723d54eaae234e6e39ac96a164546f4f2c9a2905c17628afe5f1e84. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81400018 — a six-check JSON result.
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