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 0x20804f428274d32728b4f3bc1e1dc2d863f681c288296006e47dcbf03b8f248c. 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/25a0e0ee-44ff-448c-81fa-b06d7c85391f.json and https://artists.proofprofile.net/proofs/artist/25a0e0ee-44ff-448c-81fa-b06d7c85391f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zen En La Naturaleza: Meditaciones Tranquilas En La Naturaleza
Himno Sereno De La Laguna Del Bebé: Suave Refrán Del Riachuelo Para Calmar Al Bebé
Arrullo De Río Para Bebé, Suaves Sonidos Para Dormir
Canciones De Cuna Con Sonidos De Truenos: Música Para Siestas Serenas
Canción De Cuna En Ritmos: Hip Hop Para El Sueño Del Bebé
Música Dulce Para Noches Tranquilas De Bebés
Canciones De Cuna A La Hora De Dormir: Sonidos De Hip Hop Para El Sueño Del Bebé
Sonidos Lofi Relajantes Para La Hora De Dormir Del Bebé
Ritmos De Hip Hop Relajantes Para El Sueño Del Bebé
Cadencias Suaves: Tonos De Arrullo Para El Sueño De Bebés
Baladas Binaurales: Melodías De Aves - 80 88 Hz
Música Relajante De Fuego Para Dormir Al Bebé
Arrullos De Fuego: Melodías Reconfortantes Del Bebé
Armonías Binaurales: Tonos De Sueño Del Bebé
Río Gentil Para Bebés: Sonidos Relajantes Para El Sueño
Arrullos Del Fuego: Melodías Calmantes Para Bebés
Arrullos De Nubes: Piano Besado Por El Viento
Calma Del Océano Para El Bebé: Suaves Canciones De Cuna Del Mar
Aguas Suaves: Melodías Calmantes Para Bebés
Cumbres Celestiales: La Exuberante Canción De Cuna De La Naturaleza
Nanas De La Cascada: Momentos Musicales Con El Bebé
Olas Melódicas: Melodías Para Bebés Con Las Olas Del Océano
Lluvias Gentiles Para Bebés: Música Para Infantes
Resonancia Del Mar Rítmico: Música En Medio De Las Olas
Canciones De Cuna Cerca Del Fuego: Música Para Un Sueño Relajante
Meditación Por El Borde Del Agua: Música Del Río
Alegría De Momentos De Bebé Oceánicos: Música Para Aliviar El Estrés
Música para Dormir Bebés Canciones de Cuna
Armonías De La Naturaleza Soñadora: Melodías Binaurales Para La Siesta De Bebé Sereno
El Sueño del Bebé Rápido Clásica Música del Piano
Acústica Canciones de Cuna con Suaves Sonidos de la Naturaleza
Frere Jacques en naturaleza (acústica instrumental)
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 0xaf6a5208551d4e0a65d0aca03d98e9e602007db2d25bbdf7b269fe62fa500a69. 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/QZFML2005676.
Brahms Lullaby con sonidos relajantes de la naturaleza (acústica instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884832e37517017afb06987d4309c1515dc125b2b32955acadc95904e153e580. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFML2005674.
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
La pequeña araña con pájaros cantando (acústica instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c1694c6b905073b38309ddaf24a51ebc2810cbc900432e5a967af6852b3238. 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/QZFML2005677.
Dulces Sueños, Arpa Canciones para Dormir a tu Bebé
Quietito bebito en la noche (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d821c5df856b4d812212fd2bb08542dd59a711a6a4ab17b829d3351e74c686. 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/QZFML2005198.
Frere Jacques con sonidos nocturnos para un sueño tranquilo (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81cdde22fd348aa05692d5ebdf6f0d2aec1de4cb3b9165670d92d0632ee9145b. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZFML2005200.
Tú eres mi sol con suaves sonidos de la noche (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54810b5029da7150a9f70a52553b822264e947d821a61c399044f38f7d464cbe. 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/QZFML2005201.
Soy una pequeña tetera con grillos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e198188ad69aae401d13305e3f6847d8f8ed6c446601bdd93917e5f15aaead7. 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/QZFML2005203.
Las ruedas en el autobús dan vueltas y vueltas con sonidos suaves de grillos (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164596eceb964ff2ab2f73e5caa5518ed25b1f91c5bfc46f0f43627980410c92. 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/QZFML2005209.
Pequeña Bo Peep con sonidos nocturnos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d09c7031f3af4637ca3aefc60fe8217b14ac8ce1ea959c48f439e608bb3d53b. 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/QZFML2005211.
Brahms Lullaby con grillos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd8ea8c8ee8dd22b78e055ea36aadf83feb09769a479816ef52998d863517e3. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZFML2005196.
Estrellita dónde estás con sonidos nocturnos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x782c1a46bcb9e2900f655b1c858e862b5475e10e6b22c370647a07679738d5ea. 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/QZFML2005197.
María tenía un corderito con sonidos nocturnos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761ada9611c7132bc83c31b17f6fa4715d36cdc46b2756eaedafe4f08e2d1629. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/QZFML2005204.
Es un mundo pequeño después de todo en la noche (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758de9e4556a5685553760d88d097f206d3c37a0faa84a90ad68ca8d60a7ddbc. 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/QZFML2005205.
Juan Paco Pedro de la Mar con grillos relajantes (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafcad276999a6c1a1b025bbb05ca14b72f60e11dbf6f7d32c042e3d994d9ee79. 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/QZFML2005210.
El puente de Londres se está cayendo en la noche (arpa instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0adb7277c8f0f62903b468920530162036daa99002e52b7e6d02d0b543ff03a. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZFML2005212.
Canciones de Cuna de Piano Clásico para el Desarrollo del Cerebro de los Bebés
Las Canciones de Cuna Clásicas un Calmar los Bebés un Miembro En un Profundo Sueño
Rimas Infantiles y Sonidos de la Naturaleza Para Cualquier Niño una Dormirse
Pequeña señorita muffet con pájaros cantando (Marimba Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83d18c39b3717ed890c7df957d4541aeed6ed89cf3a67acb87a4e04d08029f1. 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/QZFML2005503.
Canción de Cuna Marimba para Dormir e Relaxar Bebés
Canciones para Piano Clásicos Infantiles para Bebés de Inteligencia Estimulación
Hermano Jacques con suaves olas del océano (Instrumental clásico de piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba805c99d925b99f28d1239877472f448ae7643e1cae98a50cb70747d184b0c. 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/QZFML2005041.
Brahms arrullo con sonidos relajantes de playa (Instrumental clásico de piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4aa5f1f8f737fcf949636e6124f57517e8af63c007baf83d8ae6f90d11b4fe7. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/QZFML2005040.