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 0x413e03601ddc843eff5132b971df57f384ed7a207cc61f1fc3f4852c94b647b1. 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/ec04c13b-37a5-4fcd-aece-5b2053530558.json and https://artists.proofprofile.net/proofs/artist/ec04c13b-37a5-4fcd-aece-5b2053530558.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdbff9bca9a5883f2c1e66874acd65b5f968a3333f43a8812d53c2bdc12d4de3d","isrc":"USUR10000570","name":"Lay With You","registered_at":"2026-06-29T04:33:50Z","spotify_id":"2hhHwY2rzWLeFenIg3e6o0","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 0xdbff9bca9a5883f2c1e66874acd65b5f968a3333f43a8812d53c2bdc12d4de3d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hhHwY2rzWLeFenIg3e6o0.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/2hhHwY2rzWLeFenIg3e6o0.
{"copyright_id":"0x57257e27196b6acac72cac31dfe1ebe25c07ef3605306f5dc5071c89b0ab5363","isrc":"USUR10000573","name":"You've Got My Heart","registered_at":"2026-06-29T04:32:12Z","spotify_id":"5RdKSK7HlHHUOlNMg5p6ki","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57257e27196b6acac72cac31dfe1ebe25c07ef3605306f5dc5071c89b0ab5363. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5RdKSK7HlHHUOlNMg5p6ki.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/5RdKSK7HlHHUOlNMg5p6ki.
Monifah's Anthem/ Bad Girl - Album Version (Edited)
Have You Ever Been Loved - Album Version (Edited)
Fallin' In Love - Album Version (Edited)
Better Half Of Me - Album Version (Edited)
What's The Deal? - Album Version (Edited)
Whatcha Gonna Do - Album Version (Edited)
Monifah's Anthem/ Bad Girl II - Album Version (Edited)
Testify - DJ Beloved & Matt Knight Remix
Testify - Lady And A Tramp's Testify Remix
{"copyright_id":"0xec628f5fd1fe39dc55674bab5b6e1869d77d50ff02016a025262d00fc231e154","isrc":"USBB40580129","name":"I Need to Be (feat. Monifah)","registered_at":"2026-06-06T02:06:32Z","spotify_id":"78rSdU79mIL2OOBfnYICyl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec628f5fd1fe39dc55674bab5b6e1869d77d50ff02016a025262d00fc231e154. 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/78rSdU79mIL2OOBfnYICyl.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/78rSdU79mIL2OOBfnYICyl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc507bb3c94ad1fab642cf808dd95210b1a9ae2a24d31d86d1ab6be0b4da7e415. 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/2BtjTMZ8Tpgq8mGaSZ5pHK.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/2BtjTMZ8Tpgq8mGaSZ5pHK.
ドライブが楽しくなる洋楽ヒッツ！90年代 R&B
If I Die Tonight - From The Rush Hour Soundtrack
{"copyright_id":"0xd2e619051e479f649f281cabe55e7aee6e08ef9886fc9dac379388c2de5a55a0","isrc":"USRL19800868","name":"If I Die Tonight - From The Rush Hour Soundtrack","registered_at":"2026-06-18T13:11:14Z","spotify_id":"7GdfcDorg9xjLMTPyq1QaH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e619051e479f649f281cabe55e7aee6e08ef9886fc9dac379388c2de5a55a0. 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/7GdfcDorg9xjLMTPyq1QaH.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/7GdfcDorg9xjLMTPyq1QaH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3e6e6e4080fef1ade2805045d09ad2a1fb42862f3330c4a374581e26052cbd. 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/3xz3KVEXkBfpBEgA7TK1o8.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/3xz3KVEXkBfpBEgA7TK1o8.
{"copyright_id":"0x0f596d432eb27ef0dc2a72664aa9c1b70aeac5fd176f29baa32e3ebcccb78aa7","isrc":"USUR10200951","name":"Touch It - Radio Edit","registered_at":"2026-06-08T19:10:29Z","spotify_id":"6S8gpV3VXbKN0HM6k4tv2b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f596d432eb27ef0dc2a72664aa9c1b70aeac5fd176f29baa32e3ebcccb78aa7. 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/6S8gpV3VXbKN0HM6k4tv2b.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/6S8gpV3VXbKN0HM6k4tv2b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14a8d020367e74bc0231fc7ab5aead3c08852972098c860b33096b1f3a42838e. 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/3PkYw6XOhfa5KWU6MRPJss.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/3PkYw6XOhfa5KWU6MRPJss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e251670528ff847977158557e8b0d8cd253fb7881dc4dc4c2cdf1e9db757d9b. 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/4Y5MtPOKqEMe563d2OcftQ.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/4Y5MtPOKqEMe563d2OcftQ.