1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x07f158ba625e702c73b9b469c31ae7c65956cf6135311832324385b272ffa7b5. 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/dcf10371-8953-4a82-83f7-d460982dd49b.json and https://artists.proofprofile.net/proofs/artist/dcf10371-8953-4a82-83f7-d460982dd49b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Teeja Punjab (Original Motion Picture Soundtrack)
{"copyright_id":"0xee80665f4254657fb61f04fb783baf227de3a31322890ae8bff33a106d81e1a9","isrc":"INS172104388","name":"Gallan Chaandi Diyan","registered_at":"2026-06-10T14:21:34Z","spotify_id":"45Bs7eiEs8EfeHxrGrJLQW","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee80665f4254657fb61f04fb783baf227de3a31322890ae8bff33a106d81e1a9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45Bs7eiEs8EfeHxrGrJLQW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45Bs7eiEs8EfeHxrGrJLQW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3e41108670b4a923797a21c49a6ea2c1b9279adada60692782e58c7cb74a82. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6JVhjqQQcwyoHy9jxdO46l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6JVhjqQQcwyoHy9jxdO46l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e5598b783cbd499b649586ecf71f43d92654e39cdb5348f48701c516e7b9c2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/18CZdFGVEwYp2LYv0HcNCQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18CZdFGVEwYp2LYv0HcNCQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf725d2fb6d27a1170091ed191ebe8aee8a277ef3e2446e2e08230f94a48e94ce. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nestoDLiYS47RsEiET5fC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nestoDLiYS47RsEiET5fC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323141664f1198d295d1192b8bad90fca02afa5c458636cf0ab504e8419a7dea. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zKIWBZ1cNG96qEZaftwUI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zKIWBZ1cNG96qEZaftwUI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243bdfecfc0be12b6ba9073addc31b266d232651310c742659766b6389dffd1c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/01q8qlnxauYFFa5j7xNyBO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01q8qlnxauYFFa5j7xNyBO.
{"copyright_id":"0xed70aabcdd9d173fc4afad0b436bb93fd7677d67af3d5eee6d58c4ed08683be6","isrc":"INS182300392","name":"Jatt Nu Tabah Karke","registered_at":"2026-06-27T15:08:31Z","spotify_id":"3CBwuAmEiVWAAsvjisvXyT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed70aabcdd9d173fc4afad0b436bb93fd7677d67af3d5eee6d58c4ed08683be6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CBwuAmEiVWAAsvjisvXyT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3CBwuAmEiVWAAsvjisvXyT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1bf5efa4da28cb58cfacc83941fd0cf8ea92efcdb36e2a2f579765a83d4d5c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1FSlqHqg6PyNxQMKv8ubTf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1FSlqHqg6PyNxQMKv8ubTf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3afb49a7647fed690896436ad60c88002f7b8c4077594fda31adbee69bc25f8c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ChH1RZ6Vi1MLBvnJA4LOD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ChH1RZ6Vi1MLBvnJA4LOD.
{"copyright_id":"0x5562a2b55585be1cfaef8b8edaf0d15ceb9d6fc82ab917bd2dcfe600b45a7fe0","isrc":"INU252308687","name":"Jana Nahi Si Chahida","registered_at":"2026-06-27T15:07:25Z","spotify_id":"4BtbjOx8DcP54rQxQjWKZp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5562a2b55585be1cfaef8b8edaf0d15ceb9d6fc82ab917bd2dcfe600b45a7fe0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BtbjOx8DcP54rQxQjWKZp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4BtbjOx8DcP54rQxQjWKZp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e21124c1aec288bd91c95b56987f3f46f8c38f4dbe2701ca72551219614ada. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67pghYPZ7qIhQOGApQ7bll.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67pghYPZ7qIhQOGApQ7bll.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23669aa28126d0082fae166d6093a2f1f25b5a0424be282de4da4964e7cb3d97. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Vbdhg7TSecpDYhXoFZrQb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Vbdhg7TSecpDYhXoFZrQb.
{"copyright_id":"0x9bfcffb56915ada8df77cc1771e6e3791b480975ac5ce1caf2ef596d5ff5c6f9","isrc":"INB802000146","name":"Khabar Nahi","registered_at":"2026-06-18T12:06:44Z","spotify_id":"2VyWg2v8meoB6vEHx14L7N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bfcffb56915ada8df77cc1771e6e3791b480975ac5ce1caf2ef596d5ff5c6f9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2VyWg2v8meoB6vEHx14L7N.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2VyWg2v8meoB6vEHx14L7N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c21f5a9589ca575a056ac71d3898edb6aa74992dd2da90deee11de839532984. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xOrs0tdLTvrz6s8MLE5vl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xOrs0tdLTvrz6s8MLE5vl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4149f43aa4a9e9f55873ec297a16fe209b33eee82e63fef65b862f403b524039. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7w4Zq5arOcka3tWUDnONoI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7w4Zq5arOcka3tWUDnONoI.