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 0xf6bb96e88c3cb514a61eaa55f5a7db149a4643a9e8a82eab5ebea881abb12be9. Chain 2 (Bitcoin): anchored in block 953695 (2026-06-14T21:42:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71da0947-f21d-4283-bb26-2721aed48c6b.json and https://artists.proofprofile.net/proofs/artist/71da0947-f21d-4283-bb26-2721aed48c6b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tafsir Mahfil Chittagong Unissho Tiranobboi Choturthodin Din
Tafsir Mahfil Chittagong Unissho Tiranobboi Ditio Din
Tafsir Mahfil Chittagong Unissho Tiranobboi Tritio Din
Tafsir Mahfil Chittagong Unissho Tiranobboi Ponchom Din
Tafsir Mahfil Chittagong Unissho Tiranobboi Prothom Din
Tafsir Mahfil Chittagong Unissho Churanobboi
Tafsir Mahfil Chittagong Churanobboi Dui
Chittagong Tafsir Mahfil Unissho Pocanobboi Prothom Din
Chittagong Tafsir Mahfil Unissho Pocanobboi Ditio Din
Chittagong Tafsir Mahfil Unissho Pocanobboi Tritio Din
Chittagong Tafsir mahfil Unissho Pocanobboi Ponchom Din
Chittagong Tafsir Mahfil Unissho Pocanobboi Choturtho Din
Tafsir Mahfil Chittagong Chiyanobboi Ditiyo Din
Tafsir Mahfil Chittagong Chiyanobboi Ponchom Din
Tafsir Mahfil Chittagong Chiyanobboi Choturtho Din
Tafsir Mahfil Chittagong Chiyanobboi Prothom Din
Tafsir Mahfil Chittagong Satanobboi Ponchom Din
Oitihashik Tafsir Mahfil Bogura Duhajar Pach Ditio Din
Tafsir Mahfil Chittagong Satanobboi Choturtho Din
Tafsir Mahfil Chittagong Satanobboi Ditio Din
Tafsir Mahfil Chittagong Satanobboi Prothom Din
Tafsir Mahfil Chittagong Satanobboi Tritio Din
Tafsir Mahfil Dhaka Unissho Atanobboi Ditiodin
Tafsir Mahfil Chittagong Atanobboi Prothom Din
Tafsir Mahfil Chittagong Atanobboi Tritio Din
Tafsir Mahfil Chittagong Atanobboi Ditio Din
Tafsir Mahfil Dhaka Unissho Atanobboi Tritiodin
Tafsir Mahfil Dhaka Unissho Atanobboi Prothomdin
Tafsir Mahfil Chittagong Atanobboi Choturtho Din
Tafsir Mahfil Chittagong Atanobboi Ponchom Din
Tafsir Mahfil Chittagong Unissho Niranobboi Choturthodin
Tafsir Mahfil Chittagong Unissho Niranobboi Ponchomdin
Tafsir Maahfil Chittagong Unissho Niranobboi Ditiodin
Tafsir Mafil Chittagong Unissho Niranobboi Prothomdin
Tafsir Mahfil Chittagong Unissho Niranobboi Tritiodin
islami andoloner shathe birodhitar karon
Tafsir Mahfil Dhaka Chiyanobboi Ditiodin
Tafsir Mahfil Moulvibazar 2004 - part-01
Sad Bin Abi wakkas Ra er Parossho Bijoyer Kahini O Shikkha
babui Pakhir basha o Allahr sristy rohossho
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 0x60a51a2f51075115fcaaae48430161bbbcbea0c8185c9b6029d34657e3ba6686. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FR2X42275258.
Jatio Songsode Abegmoy Uccharon Allah amar rob
Siratunnobi sa Mahfil Khulna Duihajar Eak
Tafsir Mahfil Dhaka Duihazar Ek Tritiodin
nobi rasulder dawat o rastroshoktir badha
Tafsir Mahfil Dhaka Duihajar Dui Tritiodin
Tafsir Mahfil Sylhet Duihajardui Ponchomdin
Talak ki shudhu purushrai dite pare na narirao parbe
Siratunnobi Sa Mahfil Khulna Duihajar Dui
Tafsir Mahfil Sylhet Duihajar Dui Ponchomdin
Voter Sriti-nij elaka bashir akrittim valobasha
Darwiner motobad o Allahr Sristii koushol
Tafsir Mahfil Sylhet Duihajardui Choturthodin
Tafsir Mahfil Dhaka Duihajar Dui Ditiodin
Islami Songskritir Porichoy O Manob Jibon
Tafsir Mahfil Dhaka Duihajar Dui Prothomdin
Siratunnobi Sa Mahfil Satkhira Duihajar Dui
Tafsir Mahfil Comilla Duihazar Tin Ditio Din
Tafsir Mahfil Khulna DuihajarTin Prothomdin
Tafsir Mahfil Khulna DuihajarTin Ditiodin
Tafsir Mahfil Comilla Duihazar Tin Prothom Din
Tafsir Mahfil Chittagong Duihajar Tin Char
Oshlilota O Behayapona Theke Bachar Upay
Tafsir Mahfil Chittagong Duohajar Tin Pach
Musolmander rajnoitik o shamajik challenge
Buddijijibi prosonggo - Dhaka 2003 - 1st day
Siratunnobi Sa Mahfil Khulna Duihazarchar
Rasul Sa er Pobitro Jibon , sirat dhaka 2004, Pt. 01
Tafsir Mahfil Mouluvibazar 2004 - part-02
Londoner Sorbo Brihot Masjid Udbodhoni Onusthane Allama Sayedee Vashon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5096b900efc0ff17735becd1f42665abca05cfb7fb5e220fb0e92363b460b3d6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR59R2081941.
Onno Dhormer Proti Sohisnuta O Kichu Upodesh
Rasul sa er sondorjo- sirat-2004-part-02
Tafsir Mahfil Rajshahi Duihazar Char Sal
Namaz valo kajjer adesh o Onnay kajer nishedh prosongo
Tafsir Mahfil Dhaka Duitazar Pach Ditiodin
Siratunnobi Sa Mahfil Duihajarpach Modhubad
Mohila Somabesh Chittagong Duihazar Pach
Mokka Bijoye Je Ovutopurbo Ghotona Ghotechilo
Tafsir Mahfil Dhaka Duihazarpach Prothomdin
Polton Moydane Alochona Duihazar Pach Namaj
Manusher Vaggo Poribortoner Kitab Al Quran
Je kahini islamer itihashe omor hoye ache
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35bb6ac71006b2b035a0e0aa22ac96973c85784884513a17e31637e27b409d1. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:04:55Z), 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/DGA062026302.
Siratunnobi Sa Mahfil Dhaka Duihajar Pach
Olama Mashayekh Somabesh Dhaka Duihazarat
Islamer Sob Cheye Gurutto Purno Bishoy Niye Alochona
Allah Nobi Rasulder je dayitto diyechilen
Jara Niroporadhike hotta kore tader jonno kothin kotha
Je Proshner Uttor Ma Bonder Jana Proyojon
Jatio Songsode Shirker Oboshan Kivabe Holo
Tafsir Mahfil Dhaka Duhajarpach Tritiodin
Oitihashik Tafsir Mahfil Bogura Duhajar Pach Prothom Din
Tafsir Mahfil Chittagong Chiyanobboi Tritio Din
Tafsir Mahfil Sylhet Duihajar Noy Ditio Din
Shorbosesh mohila somabesh prothom porbo
Tafsir Mahfil Sylhet Duihajar Noy Prothom Din
Tafsir Mahfil Sylhet Duihajar Noy Tritio Din
Tafsir Mahfil Bogura Duihazar Noy Prothom Din
jiboner shesh mahfil e abegmoy kotha-tritio porbo
Tafsir Mahfil Bogura Duihazar Noi Ditio Din
Tafsir Mahfil Bogura Duihazar Noi Tritio Din
Tottho O Gonomaddhom Muslim Ummar Koronio
Siratunnobi Sa Mahfil Duhajar Pach Modhubag Dhaka
Tafsir Mahfil Sylhet Duihajar Dui Choturthodin
Tafsir Mahfil Sylhet Duihajar Dui Choturthodin, Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37e59849dbb5016a3290d90ad486ab4313316c6568a94fb9ed97f98375b2203. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR2X42160077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ac95b5657f12c68185859bd807569cbc92b55c274e322600baefafc5c889ff. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/FRX202101301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93ad36447b5d72884814ecfed9719822efd90d37d4e0ab8d19f152781433b00. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T11:02:33Z), 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/FRX202101302.
Jara niroporadhider hotta kore tader jonno kothin kotha