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 0x450cf1a44a39597c70f5f88a82fd79853021f67f4c8aea8a1c70643960ad02d2. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/21fa6ccf-2f5f-427b-9799-2cf7ef4a4169.json and https://artists.proofprofile.net/proofs/artist/21fa6ccf-2f5f-427b-9799-2cf7ef4a4169.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Meditaciones Guiadas Con Ritmos Binaurales
Compañero De Truenos: Música De Relajación Para Mascotas
Inmersión Chispeante: Fuego Binaural Para Una Felicidad Total Y Armonía Interior
Dormir Con Truenos: Relajantes Melodías De Tormenta
Una Nana Acuática Para Bebés: Melodías Suaves Del Arroyo
Momentos Conscientes Del Río: Sonidos Relajantes De La Meditación
Música Relajante Para Días Tranquilos: Notas Serpenteantes
Viaje Del Ritmo: Épica Travesía De La Música
Acordes De Concentración: Melodías Para El Trabajo Productivo
Melodías Ronroneantes: Música Relajante Para Gatos
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 0xee014e827e800c6a469bbfef4508dafb33b5cc860d67e4aafe3e003fbabc15ee. 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/QZWDE2446058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c89f2dba4da845cfee59bd7c8591cd4e3b28904ad6d6c778b3a27cd9d8133b. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/QZWDE2446066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c2b7aaa561bf5d33604683f87dcb35cd5d58b0dcd7be5bf0031c1f866fe72aa. 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/QZWDE2446073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1032bcee2072845c68e09d8595c6f6cb086260c7579c47a465fbad2b7853b152. 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/QZWDE2446093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af35d237f1e0d511c830e8c8b1c5df22018d3adcdf9593b4175e9e4fa375c41. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDE2446116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e83f2e30107165a54cde835fdc0410322aa7d718774dafac2b27775a38edef. 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/QZWDE2446124.
Sonidos De Meditación: Música Para El Descanso
Armonía En Meditación: Reflexiones Musicales Internas
Paz Interior: Melodías Suaves Para La Meditación
Música Tranquila Para Meditar: Tonos Suaves
Meditación Lofi: Armonías Para La Quietud