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 0x24fa639c2aa8bfe085c6186b122e1be7fd959f58f81605bc8c6bbab9bc0a9d29. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e6c5abd4-7540-498d-8d63-161273d0e4e7.json and https://artists.proofprofile.net/proofs/artist/e6c5abd4-7540-498d-8d63-161273d0e4e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xcb0da62cab4dbcaceb51fbba312de68f931086709b90f369b48fdf998f2b5ef5. 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/FRX452560651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98321b33636e7430ad74f2aeebc971a0ceeb72d529749897d05312ab5243e6f4. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/FR10S2483120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ae94ea9a09151ab44694c71d225795893857ca871a16c20801c6ac60849807. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/EGA262200391.
Aandha Taille Fel Wa3er Kharbetli Fel Macha3ir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92d7533c3930c5c68427064ddb0aaf38984139681248d1bf61278a9f4bca1f49. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/QZN882229336.
Zouj Grammte Fel Bourssa Besbabha Kraht Nssa
Ana B 3ach9ha Mebli W Hiya B Galbi Tel3abli
Golouli inchalah Teslek Lbhar Rah Mhelek
La Bgha Yetardag Galbi Mandirhach L39aybi
Ki Chafou Drahmi Na9ssou Les Appelles Ga3 Habssou
Ha Rah Lbab Mahloul Rouhi w Matwelich Rawl
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53eb4a59329327674ed01f442707ba5450c19fdd7bd1771bd1a4fa3c0a0a7cd3. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/AEA142301891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e917af14f7714aaa4f8a24cf945537a23ceccc9dafc34f7dc33d43eebf6ae52. Chain 2 (Bitcoin): anchored in block 957552 (2026-07-11T10:04:42Z), 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/EGA262306458.
Bghitek w Ma3raftilich 9ayemtek w Ma3raftilich
Galbi Ghadi N3azih Mektoub 3lih Tokotlih
Choque Darli 3o9da Manzid Ndir hata Wahda
Khasart M3ak Rani Nadman B Sbabak dkhalt idmen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f35abf3d60792e480c2d483c11774fce65d0a95bcba062dd82362957af52027. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/DGA0R2312197.
Nti Li Beghiti Rouhti W Semahti ( Live )
مقدرة عليا نعيش هكا نتصورخ باه ننسا (Dj Badro Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4472bcb0adeeb62110add7ad51897ea737b611c6906905b652262ccc805ae8ae. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZZ662457388.
3ymoucha Lbess L Cagoule La marine Rahi Dour
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51a4660dbddba9bd7746505dc28e36c31e43318d6dade8c550195b195fecf3c. 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/QZP7F2419515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d03a68fe00ce8ffe1f9ac9e8d90858a1ff0a8222c090f3f13d79dac77223f69. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/DZA102400847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5133ad26c02031eb331f9f47dcf7a7806e386c76faa0f139230c6f6932f69131. 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/DZA102401226.
Nass Tachri Fa Lwata Wana Tayar Man Rassi (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289ef8e46a316e588a3ac08fb4ca212af1fa216d4e47ebf4b520b0a07c36d155. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/DZA102401254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e7932034ef93c908f2baf68407f2ff9cb9d581edd724798f7b9fa1dbe0e5fe. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/DZA102402712.
Zouj Gramat Baraka Baida Tabghi Haraka (Live)
Makanch Li Yog3od Fiha Ya Ga3 Rouhou Fiha
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b2d41d4ab4e4cead5e1bc4a51f7c96df44f773d4e279452b8511e744603cd70. 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/DZA102500247.
Hsabtek Nta3 Avenir Sa3a Nti Tebghi Tjarjir
Ana Zahwani w Guelil w Hiya Mabghatch Dir Tawil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92accc4b70a7eef7613092bb6dae1913e62949390c6272bdef2103d59fbbb76b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR2X42550916.
خلوني ندوخ عطوني غبرا وزيدو صاروخ يا ويو ويو
Ntiya Thani W 3Ichi Wana Fi Sahti Nrachi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd40b430c05c9965a490a59f268cf782bf3dcb37c223691f924ac4b46878c1204. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/DZA102500505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea6ed6eee72beae76af53330632a01076cad58a6d48d347ad31ba00674d225d6. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/DZA102500535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x649a1a42fc30b5b7f7d40d4b7f9f552811e15d30c831d722f66a461ee62859a8. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/DZA102500555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x189d589ec59e28c85c960dded0f52ab326a1ad793e0b97bdfabcd5456fe60c91. 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/AEA142501057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d9bfe6daab4e9d61f0fee9206a7299106f7a462d89ec33edc12ca95ad686421. 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/SE5XG2505495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1a4ff3ba90f3ca7df2bf5c4c4f9e93d19f32ea9f7fe313045a307bcd34775e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR96X2592011.
Win Raki Ha Lbawya Khaliti Plasstek Khawya
عاوناه ما بغاش يتربا Impossible Dir Kifi
Hayin 3aychin Mouta Had Laghbina Hata Lwinta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2d4385dd9a6299ee3963128d9dd498115b69e0f288a5310c4d89f23afacc69. 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/EGA262500887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1050eb0da96c3464dc731a5e850ae9c80cc831ad97108d8a3c597b3fc8efe0fe. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/EGA262501146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a66203231915941545153f777728938bc9c4d8c79ccd20b9f392785004e37f8. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/DZA102501424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba39c90b8ac98e962326e66a9da89311afc8c72f3a02e84959c6db642313d9e. 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/FRX872520091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e913e347b42e9ed7fe2a261dd2f0aa65081f09dc42e116f9163e67d2eed778a. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T12:32:15Z), 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/FRX872570034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x476513084a2237061a48963ccc2469e19d3db869878a7946790b5915f59542ca. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/DGA052539988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21cc4f0ea5c8c1b301e5afc5f579af27e1ac3e43f21934811eac58d92db63401. 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/AEA142504616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x979c85610524751b7e7b807d94c85f57ac48766e5458dc29be49d0c0870b6b9a. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/DGA052599895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1732cbf667c0b25a58d6b4c8b12e62689e76212958e8c0e1854c2899c5b186. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/DGA062514497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fb41994b98ca06a726e6169e6d872fc2bc910ba155a91ffdfef70b77897dc8. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/DGA062541048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c63a4cc27d387a6553b41a2f084cab565f86d0310ed294d340489550d378b76. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/EGA262501569.