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 0xe5ee91f024814eb84d047430b9ea3ede1693af4b4bdcf0938cb948bbabd6f452. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71a6b0bc-c8ad-4934-889d-9ac88e5794aa.json and https://artists.proofprofile.net/proofs/artist/71a6b0bc-c8ad-4934-889d-9ac88e5794aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bangla Sad Song (Jar Karone Kadi Ami) Koster Gaan
Kade Boka Mon (Bangla Sad Song) Heart Broken
Romantic Song Bangla (Toke CHara Ami Oshohay)
Bangla Sad Song (Nicotine Ghore) Heart Broken
Bangla Romantic Song (Tui Amar Shukher Karon)
Bangla Romantic Song (Jaan Pakhi Re) Fushka Gaan
Bangla Sad Song (Hridoy Khani Tor Aghate Ajke Vishon Khoto)
Bangla Sad Song (Tomar Jonno Jano Koto Oviman)
Buke Amar Bethar Pahar (Ekta Meye Ei Hridoye Chilo Amar) Sad Song Bangla
Bangla Romantic Song (Tor Mon Paratey Dakis Amake) [Radio Edit]
Bangla Sad Song (Prothom Bethari Ei Ishara)
Romantic Song Bangla (Monta Ajke Bolche Ki Shon)
Bangla Sad Song (Tori Chokher Pani Bujhini Ta Ami)
Bangla Romantic Song (Amake Tomar Mone Ektu Thai Dio)
Sad Song Bangla (Chokher Panite Sumudro Gore Debo)
Sad Song Bangla (Cholona Moyi Tor Oi Chehara)
Bangla Sad Song (Jodi Fire Aso Amake Kadio)
Romantic Song Bangla (Monta Ar Kichu Chaina)
Romantic Song Bangla (Tomar Chobi Buke Niye)
Romantic Song Bangla (Tumi Amar Koto Je Apon)
Jar Kotha Vebe Shihoron (যার কথা ভেবে শিহরণ)
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 0x3f57984d28a3fbe53ebde49b45cc97723259de60a517e260a6c91ef51f1af463. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTAZ2424820.
Priotoma Vule Gecho Amake (Bangla Sad Rap Song)
Sad Song Bangla (Ekhon Ovvash Amar Majhe Tumi Aadat)
Dekhechi Prothom Toke Ami (Romantic Song Bangla)
Shono Ogo Shehzadi (Bangla Romantic Song)
Bangla Romantic Song (Ami Jokhon Dekhechi Toke) Preme Ondho Kore Diyeche
Romantic Song Bangla (Tomar Hasita Jannat)
Sad Song Bangla (Prio Golpo Shono Toke Bow Banabo)
Bangla Romantic Song (Tomake Rekhechi Bedhe Mone)
Age Ki Sundor Din Kataitam (Bangla Folk Song)
Bangla Romantic Song (Monta Dake Shudhu Toke)
Sad Romantic Song Bangla (Tobu Mon Keno Okaron)
Pagol Ami Tori Preme (Sad Romantic Song Bangla)
Jei tumi Thakona Eai Buke Ghum Asena Amar Chokhe (Bangla Romantic Song)
Sad Romantic Song Bangla (Beiman Ei Monta)
Bhromor 2.0 (Vromor Koio Giya Folk Song) [Rap Version]
Bangla Romantic Song (Jan Pakhi Valobashi Tomake)
Jekhaney Chokh Mele Jedike Takay (Bangla Sad Song)
Bangla Sad Song (Charidike Sudhu Tomar Srity Aj)
Sure Sure Gaan E Kobitai Tomakey Khoje Mon (New Version)
Mone Pore Jai Koto Srity Koto Chobi Valobasha (Romantic Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff00e288178dc8dd704017e13768d032ceb8c6778a809d527cc79d89b6e10872. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTBD2462716.
Bangla Romantic Song (Ei Bukete Jhor Tule Jai)
Tobu Prem Ese Valobeshe (Sad Song Bangla) [New Version]
Bangla Sad Song (O Priya Keno Kadale Amay Bolona)
Best Sad Song Bangla (Tobu Valobashi Ajo Valobashi)
Toke Valobeshe Priya Ami Eka Dishe Hara (Sad Song)
Bangla Ramantic Song (O Priya Dekhona Ektu Amake)
Kobe Tumi Nam Dhore Dakbe (Romantic Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f06b71afaf99b7013c7b65b0e669f4de7ec7fbbbfa1083dfa054dcf180023a3. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZWFN2410114.
Modhur Kichu Somoy - Ei Vabe Jodi Kete Jai (Hindi Version)
Ghum Name Icche Moto (Bangla Romantic Song)
Bangla Romantic Song (Icche Kore Ekta Ghore Thakbo Dujonay)
Bangla Sad Song (Keno Hoi Emon Mone Nei To Mon)
Koto Ki Bolte Baki Chole Ai Chupti Kore (Bangla Romantic Song)
Dhiki Dhiki Jala Buker Majhe (Bangla Romantic Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb172eabb2a22fb8bb68e9181072d3c67ea89c819aca11955a421caca3aec0083. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/QZWFP2415724.
Amar Hoye Ja Tui Ami Tor Hoye Jabo (Romantic Song)
Jaiba Jodi Nithur Pathi Sonar Moina Pakhi (Bangla Sad Song)
Shunechi Koto Shunechi Shopno Tumi Shopno (Romantic Song)
Bangla Sad Song (Valobasha Keno Eto Ashohay)
Moneri Ekul Okul Diyeche (Romantic Song)
Bangla Romantic Song (Se Je Purnima Raat Chilo)
Jodi Sotti Jante Chaw Tomake Chai (Tomar Namer Roddure Ami Dibechi)
Milon Hobe Koto Dine (Megher Biddut Meghe Jemon) Moner Manusher O Shone
Bangla Romantic Song (Na Dekhiya Mon Diyachi)
Bangla Sad Song (Shukh Pakhi Boilachilo)
Bangla Sad Song (Kon Doshe Haralam Toke)
Keno Eto Dure Pai Na Je Tare (Valobashi Tomay Kache Chai Bar Bar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62794cedbb62818825857c4c4901b4c37123cb28de191b9eb1809753ec6fda53. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZZ7Q2404768.
Bangla Romantic Song (Mon Amar Ek Dekhai Hoyeche Sudhu Tomar)
Tomar Oi Hasi Ajo Valobashi (Keno Eto Dure Paina Je Tare) [LoFi Version]
Tomar Oi Hasi Ajo Valobashi (Keno Eto Dure Paina Je Tare) - LoFi Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b8c7bc3ed58812749bbded66fe27439a4cf2927784a6d2635cf6bd03a2c8358. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/QZZ7Q2440562.
Bangla Sad Song (Tori Dewa Khoto Lukiye Rakhi)
Jan Jan Koto Je Nekami (Jaan Jaan Kiya Laga Rakha Hai) [Bangla Version]
Srityr Agun Jolche Mone (Emotional Bangla Song 2024)
Bangla Sad Song (Amay Vule Geli Chole) Emotional Music
Bangla Sad Song (Hoyto Tumi Bodle Gecho)
Sad Romantic Song (Dil Ne Ye Kaha Hai Ogo O Ruposhi Konna)
Bondhu Amar Prio Golpo Tui (Friendship Day) Bangla Natok Song
সোয়া চন্দন ফুলের মালা (Sua chondon fuler mala Bangla song Krishno Ayla LOFI)
Sua Chondon Fuler Mala Bangla Song (Krishno Aila Radhar Kunje) Folk Song
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6900d00d4e5b24be30b429c1bc0a532fd23a8f549df04a7abb3aa85f3eb8f6. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:24:31Z), 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/QZDA72504546.
Pashan Meye Tor Pirite (Bangla Sad Song)
Jei Tumi Thakona Ei Buke (্যেই তুমি থাকোনা এই বুকে) Bangla romantic Song
Valo Lagar Manush Onek Valobasha Tumi (Tumi Amar Koto Je Apon) Romantic Song
Jani ontoraler sei moner betha (Ovaga Kopal) Bangla Sad Song
Buke Amar Bethar Pahar (Ek duje se hue juda Bangla Hindi) Sad Song
Bangla Best Sad Song (Chaira Gelo Sojon Sujon)
Bangla Sad Song (Buke Amar Bethar Pahar Kemne Bojhai Ami Kare)
ডেকেছি তোকে কতবার (Dekechi Toke Kotobar Mon Parate) [Special Version]
Bangla Ramadan Gojol (Duniya Sundor Manush Sundor)
ত্রিভুবনের প্রিয় মুহাম্মদ (Tri Vuboner Prio Muhammad) Islamic Gojol
Romantic Song (Aj Akasher Sathe EK Sondhi Korechi Mon Boleche Amar)
Islamic Gojol Bangla (Allah Tomar Nurer Dekha)
Oi Kire SONG (Oi Kire Oi Kire Modu Modu)
Bangla Islamic Gojol (Allah Ogo Allah Khoma Kore Daw)
মায়ের ইসলামিক গজল (Chad Ke Boli Tumi Sundor Nou Ma Islamic Song)
Provu Tomar Kache Tulechi Du Hat (Islamic Gojol)
Bangla Sad Song (Bondhu Amar Prio Golpo Tui) Friendship Song
Bangla Romantic Song (Tor Adore Jabo Mishe)