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 0x393d78e8e97ceac66f0dc063a0edd39a2383fd07ce0e773f5e5f5c6d81b44827. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a3552bb-a955-484f-a396-1c162ebf8e34.json and https://artists.proofprofile.net/proofs/artist/4a3552bb-a955-484f-a396-1c162ebf8e34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sourates Ad Dukhan, Al Jatiyah, Al Ahqaf, Muhammad, Al Fath, Al Hujurat, Qaf (Quran - Coran - Islam)
Sourates Naml, Al Qassas, Al Ankabut (Quran - Coran - Islam)
Sourates An Nur, Al Furqane, As Shuaraa (Quran - Coran - Islam)
Sourate Al Maidah (Quran - Coran - Islam)
Sourates An Nahl, Al Isra, Al Kahf (Quran - Coran - Islam)
Sourates Ghafir, Fussilat, Achoura, Az Zukhruf (Quran - Coran - Islam)
Sourate Al Aaraf (Quran - Coran - Islam)
Sourate Al Fatiha (Quran - Coran - Islam)
Sourates Ar Rum, Luqman, As Sajda, Al Ahzab (Quran - Coran - Islam)
Sourates Maryam, Ta Ha (Quran - Coran - Islam)
Sourates Yunus, Houd, Yusuf (Quran - Coran - Islam)
Sourate Al Baqara (Quran - Coran - Islam)
Sourates Ar Raad, Ibrahim, Al Hijr (Quran - Coran - Islam)
Sourate At Tawbah (Quran - Coran - Islam)
Sourate Al Imran (Quran - Coran - Islam)
Sourates Saba, Fatir, Ya Sin (Quran - Coran - Islam)
Sourate Al Anfal (Quran - Coran - Islam)
Sourates As Saffat, Sad, Az Zumar (Quran - Coran - Islam)
Sourates Al Anbiya, Al Hajj, Al Muminune (Quran - Coran - Islam)
Salat Tarawih, Vol. 1 (Quran - Coran - Islam)
Quranic Recitation, Vol. 1 (Quran - Coran - Islam)
Quranic Recitation, Vol. 2 (Quran - Coran - Islam)
Quranic Recitation, Vol. 3 (Quran - Coran - Islam)
Salat Tarawih, Vol. 2 (Quran - Coran - Islam)
Roqya par le Coran (Quran - Coran - Islam)
Quranic Recitation, Vol. 5 (Quran - Coran - Islam)
Quranic Recitation, Vol. 4 (Quran - Coran - Islam)
Sourates Ya Sin, As Saffat (Quran - Coran - Islam)
Quranic Recitation, Vol. 6 (Quran - Coran - Islam)
Sourates Ar Rum, Luqman (Quran - Coran - Islam)
Sourates Ghafir, Fussilat (Quran - Coran - Islam)
Sourates Al Muminune, An Nur (Quran - Coran - Islam)
Sourates As Sajda, Al Ahzab (Quran - Coran - Islam)
Sourates Al Hujurat, Qaf (Quran - Coran - Islam)
Sourates Saba, Fatir (Quran - Coran - Islam)
Sourates Naml, Al Qassas (Quran - Coran - Islam)
Quranic Recitation, Vol. 7 (Quran - Coran - Islam)
Sourates Al Furqane, As Shuaraa (Quran - Coran - Islam)
Sourates Sad, Az Zumar (Quran - Coran - Islam)
Quranic Recitation, Vol 12 (Quran - Coran - Islam)
Quranic Recitation, Vol. 8 (Quran - Coran - Islam)
Tarawih, Vol. 13 (Quran - Coran - Islam)
Quranic Recitation, Vol. 10 (Quran - Coran - Islam)
Quranic Recitation, Vol. 14 (Quran - Coran - Islam)
Sourates Al Ahqaf, Muhammad, Al Fath (Quran - Coran - Islam)
Khutba El Jumua, Vol. 1 (Quran - Coran - Islam)
Tarawih, Vol. 11 (Quran - Coran - Islam)
Sourates Ar Raad, Ibrahim (Quran - Coran - Islam)
Quranic Recitation, Vol. 13 (Quran - Coran - Islam)
Quranic Recitation, Vol. 11 (Quran - Coran - Islam)
Sourates Achoura, Az Zukhruf (Quran - Coran - Islam)
Tarawih, Vol. 10 (Quran - Coran - Islam)
Quranic Recitation, Vol. 9 (Quran - Coran - Islam)
Tarawih, Vol. 12 (Quran - Coran - Islam)
Quranic Recitation, Vol. 18 (Quran - Coran - Islam)
Quranic Recitation, Vol. 17 (Quran - Coran - Islam)
Quranic Recitation, Vol. 16 (Quran - Coran - Islam)
Quranic Recitation, Vol. 19 (Quran - Coran - Islam)
Quranic Recitation, Vol. 15 (Quran - Coran - Islam)
Sourates Al Anbiya, Al Hajj (Quran - Coran - Islam)
Quranic Recitation, Vol. 32 (Quran - Coran - Islam)
Quranic Recitation, Vol. 27 (Quran - Coran - Islam)
Quranic Recitation, Vol. 24 (Quran - Coran - Islam)
Appel à la prière (Quran - Coran - Islam)
Quranic Recitation, Vol. 33 (Quran - Coran - Islam)
Tarawih, Vol. 14 (Quran - Coran - Islam)
Interview, Vol. 2 (Quran - Coran - Islam)
Quranic Recitation, Vol. 30 (Quran - Coran - Islam)
Quranic Recitation, Vol. 20 (Quran - Coran - Islam)
Quranic Recitation, Vol. 23 (Quran - Coran - Islam)
Quranic Recitation, Vol. 29 (Quran - Coran - Islam)
Quranic Recitation, Vol. 21 (Quran - Coran - Islam)
Interview, Vol. 1 (Quran - Coran - Islam)
Quranic Recitation, Vol. 25 (Quran - Coran - Islam)
Quranic Recitation, Vol. 28 (Quran - Coran - Islam)
Quranic Recitation, Vol. 22 (Quran - Coran - Islam)
Quranic Recitation, Vol. 26 (Quran - Coran - Islam)
Sourates Al Aala, Al Gashiyah, Al Fajr, Al Balad (Quran - Coran - Islam)
Quranic Recitation, Vol. 31 (Quran - Coran - Islam)
Tarawih, Vol. 15 (Quran - Coran - Islam)
Tarawih, Vol. 16 (Quran - Coran - Islam)
Interview, Vol. 3 (Quran - Coran - Islam)
Interview, Vol. 4 (Quran - Coran - Islam)
Khutba El Jumua, Vol. 2 (Quran - Coran - Islam)
Tarawih, Vol. 18 (Quran - Coran - Islam)
Quranic Recitation, Vol. 36 (Quran - Coran - Islam)
Salat Al Maghrib (Quran - Coran - Islam)
Quranic Recitation, Vol. 34 (Quran - Coran - Islam)
Quranic Recitation, Vol. 35 (Quran - Coran - Islam)
Quranic Recitation, Vol. 37 (Quran - Coran - Islam)
Tarawih, Vol. 17 (Quran - Coran - Islam)
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 0x7dc291486e526b740ae8311764907cbf0e76f1fe26651f674729003dac950d18. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR6V82400400.
Tarawih, Vol. 19 (Quran - Coran - Islam)
Sourates Al Hijr, Al Ankabut (Quran - Coran - Islam)
Sourates Ad Dukhan, Al Jatiyah (Quran - Coran - Islam)
Quranic Recitation, Vol. 38 (Quran - Coran - Islam)
Tarawih, Vol. 22 (Quran - Coran - Islam)
Nuit du 27, vol. 1 (Quran - coran - islam)
Tarawih, Vol. 20 (Quran - Coran - Islam)
Sourates Al Mulk, Al Qalam, Al Haqqah, Al Maarij (Quran - Coran - Islam)
Sourates As Saff, Al Jumua, Al Munafiqun (Quran - Coran - Islam)
Quranic Recitation, Vol. 39 (Quran - Coran - Islam)
Sourates Al Qiyamah, Al Inssane, Al Mursalate (Quran - Coran - Islam)
Tarawih, Vol. 21 (Quran - Coran - Islam)
Sourates Athariyat, At Tur, An Najm, Al Qamar (Quran - Coran - Islam)
Sourates Nuh, Al Jinn, Al Muzzamil, Al Muddathir (Quran - Coran - Islam)
Tarawih, Vol. 23 (Quran - Coran - Islam)
Sourates Arrahmane, Al Waqia, Al Hadid (Quran - Coran - Islam)
Sourates Al Mujadalah, Al Hashr, Al Mumtahanah (Quran - Coran - Islam)
Sourates At Taghabune, At Talaq, At Tahrim (Quran - Coran - Islam)
Sourates Qoraich, Al Maun, Al Kawtar, Al Kafirune (Quran - Coran - Islam)
Quranic Recitation, Vol. 41 (Quran - Coran - Islam)
Tarawih, Vol. 25 (Quran - Coran - Islam)
Quranic Recitation, Vol. 40 (Quran - Coran - Islam)
Sourates Al Masad, Al Falaq, An Nas (Quran - Coran - Islam)
Sourates Ad Duha, At Tin, Az Zalzalah, Al Adiyate (Quran - Coran - Islam)
Sourates Al Qariah, At Takatur, Al Asr, Al Fil (Quran - Coran - Islam)
Nuit du 27, vol. 2 (Quran - Coran - Islam)
Sourates Ach Chams, Al Layl, Al Bayyinah (Quran - Coran - Islam)
Tarawih, Vol. 24 (Quran - Coran - Islam)
Dua, invocations, vol. 2 (Quran - Coran - Islam)
Sourates An Naziate, Abasa, At Takwir, Al Infitar (Quran - Coran - Islam)
Sourates Al Mutaffifine, Al Inshiqaq, Al Buruj, At Tariq (Quran - Coran - Islam)