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 0x9964d26e8edb940b9275dbfd8a0e719c50e6ef9ce6a8d705711dbba1310fc313. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44e20621-55f4-490c-9424-f6061eacf2e2.json and https://artists.proofprofile.net/proofs/artist/44e20621-55f4-490c-9424-f6061eacf2e2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fumar y Volar (Base De Rap Con Guitarra)
Mi Triste Guitarra (Base De Rap Con Guitarra)
Recordando Un Amor Base De Rap (Cumbia Rap Instrumental)
Lo Que Fuimos (Base De Rap Con Guitarra)
Cosas De La Vida (Base De Rap Con Guitarra)
No Pierdo La Fe (Base De Rap Con Guitarra)
Cantinero (Base De Rap Guitarra Bolero Beat)
Criminales (Base De Rap Boom Bap Freestyle Beat)
Las Calles (Base De Rap Boom Bap Con Guitarra)
Un Loco Solitario (Base De Rap Con Guitarra)
Mi Santa Cumbia (Base De Rap Cumbia Rap)
Me Toca Perder (Base De Rap Con Guitarra)
Buenas y Malas (Base De Rap Con Guitarra)
La Cruda Realidad (Base De Rap Boom Bap 90'S)
Sueño Despierto (Base De Rap Con Guitarra)
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 0x1543c01bfc59c5d2a73d576573a8f36218d0345ba4351137a75d34cc6aae7bec. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZTBD2323079.
No Pueden Conmigo (Freestyle Boom Bap Beat)
Falsos Maliantes (Base De Rap Underground)
No Me Preocupo (Base De Rap Underground)
Ni Diablo Ni Santo (Base De Rap Underground)
Mala Influencia (Base De Rap Undergound)
Nunca Traiciono (Base De Rap Underground)
Noches Frias (Base De Rap Con Guitarra) [Boom Bap Beat]
Sigan Hablando (Base De Rap Underground)
Ya No Hay Nada (Base De Rap Con Guitarra)
Vida Sin Rumbo (Base De Rap Con Guitarra)
Las Horas Pasan (Base De Rap Con Guitarra)
No Me La Cuentan (Base De Rap Underground)
Todo Se Termina (Base De Rap Con Guitarra)
Si Mañana No Estoy (Base De Rap Con Guitarra)
El Tiempo Sabra (Base De Rap Con Guitarra)
Aun Te Recuerdo (Base De Rap Con Guitarra)
Cuidame Del Mal (Base De Rap Underground)
VENGO DE LA CALLE (Base De Rap Underground)
ME HACES FALTA (Base De Rap Underground)
DICEN Y CUENTAN (Base De Rap Underground)
CUENTAS CLARAS (Base De Rap Underground)
RELATOS DE LA CALLE (Base De Rap Underground)
NOCHES SIN DORMIR (Base De Rap Con Guitarra)
NO SON DE CALLE (Base De Rap Underground)
FUMO PA OLVIDAR (Base De Rap Underground)
LA ULTIMA QUE TE ESCRIBO (Base De Rap Con Guitarra)
AUN TE RECUERDO (Base De Rap Underground)
DE LA CALLE SOY (Base De Rap Underground)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac82dd77c2e6f90bcbfacc3901ca59c455bee2f76da730eca3f100c6d47612d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:57:03Z), 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/USDY42517697.