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 0xcbdcd0631218d4e8af8555144f39caa20dd8342b20ae1759af8369974524b058. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e662952-72d8-4eec-ba3f-47f478082b44.json and https://artists.proofprofile.net/proofs/artist/1e662952-72d8-4eec-ba3f-47f478082b44.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Calma Canina Junto Al Fuego: Música Para Perros
Tranquilidad Abrazadora De Las Ascuas: Llamas Y Música Para La Meditación
Suaves Corrientes De Agua Que Fluyen Para Dormir
Estudio Del Fuego Para Un Despertar Interior
Relajación En La Brisa Del Océano: Paisaje Acuático Tranquilo
Música Para Aliviar El Estrés: Obertura De Mascotas Tranquilas Junto Al Arroyo
Sueño A La Luz De La Luna: Música Para Noches Pacíficas
Música Lofi Nocturna Para Una Armonía Tranquila
Vibraciones Atemporales: Un Viaje A Través De La Música Hip Hop
Lofi Tranquilo Para El Sueño Y La Tranquilidad Del Bebé
Calma Urbana: Vibraciones Relajantes De Hip Hop
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 0x97337fc2b62faecbd933124ef7d74e0d90b1585813c0e7799b139b05610a5956. 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/QZ5FN2504254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280b3ff26101a2a0227e6fedd1f82f48c90805e86fa99aaab9882e7cf85f3b6f. 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/QZ5FN2504262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20b392210838aa415c357e2fd4a93d70cc9f49c5e356a43299fa06dbecd22e85. 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/QZ5FN2504277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1db6bef7fbccbb73670964c3ea561c9b98a2cca1a94d5c81b4a086f31733f2. 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/QZ5FN2504286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38c0d06162feaee37408ceb8a97abd2fadd0c2c779395fc5f2a1a41cf17f60b1. 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/QZ5FN2504330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c68e9e2fb4410e32c9952f9aa6b0d2602b5ec20e4464067d4442d4d98590a9c. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZ5FN2504246.
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 0x690827fd42790268f477f9c5f8ba14dc75aacb0ebaeb095093c5ca1c01e09720. 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/QZ5FN2504269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117d66020baf3e67dc18357627066426c443ceb642f52212d1b0fdd627ddf67c. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/QZ5FN2504295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0a4f2673ed3645efcc83544a8662cdf2ef290e0e5b634385e9dbcbcedb989eb. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/QZ5FN2504305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf57beb75e84933b61ffda42dc65331f427b883308abb67b82f3d3f533c73ae. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/QZ5FN2504312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04ac807b5ee2a31c6b63ff78bef0495ee99a87f90111bf3f6df05e47582f1b6. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZ5FN2504320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27cff6d08c7bec19e1114172c06f85e885636d28e38b5532db580cbcc9ec278. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/QZ5FN2504339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c820eb695845234e8dc5f465510799b69c37e16d34de5b25a274b6590262927. 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/QZ5FN2504344.
Sonidos Reconfortantes Para Dormir: Melodías Suaves Para La Noche
Elegantes Acordes De Guitarra: Cálidas Reflexiones Acústicas
Melodías Sin Límites: Resonancia Creativa
Relajación De Gatos: Latidos Binaurales Del Océano
Yoga Bajo La Lluvia Para Equilibrio Y Armonía
Meditación Junto Al Fuego: Sonidos Calmantes De Las Brasas
Relajación De Lluvia: Armonía Suave De La Cascada
Viaje Místico: El Canto De La Gracia Eterna De La Naturaleza
Retiro Musical Del Río: Serenidad De Spa Junto Al Agua
Armonía De Lluvias Para Mascotas: Patas Musicales
Armonía Del Oasis Para Gatos: Música De La Lluvia
Armonía Del Trueno Del Gato: Recitativo Con Remolinos De Bigotes
Himno De Meditación Oceánica: Armonías Conscientes De Las Olas
Cascadas Rítmicas: Aguas Relajantes Y Armonía Musical
Crescendo Acuático: Música Desde El Corazón Del Océano
Música Para Aliviar El Estrés: Himno De Las Mascotas En La Orilla Pacífica
Serenidad Envolvente: Sonidos Esenciales Relajantes
Calma Y Eficiencia Consciente: Trabajo Con Serenidad
Olas Oceánicas Equilibradas: Tranquilidad Junto A La Playa
Sueños De Mascotas: Sonidos Oceánicos De Tranquilidad
Felicidad Líquida: Paisajes Acuáticos Para El Spa Y La Relajación
Serenidad Acuática: Susurros Acuáticos Para Un Sueño Reparador
Aguas Somnolientas: Gozo Nocturno A Orillas Del Río
Paisajes Sonoros Para Dormir: Susurros Nocturnos Del Agua Del Arroyo
Sonidos De La Naturaleza: Melodías De Insectos Vibrantes Para La Relajación
Sonidos De La Naturaleza: El Valle Verde Junto Al Río De Montaña Vol. 1
En Lo Profundo Del Rio Con Pájaros Cantando Vol. 1
Sonidos De La Naturaleza Para La Hora De Dormir Del Bebé