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 0x32c62dd0a76f3039aa111918c1c031e9776465e52388a8c89d26a47c5e1a92fd. 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/0ecf71c0-9f7e-48b8-b91c-92f66259f8c1.json and https://artists.proofprofile.net/proofs/artist/0ecf71c0-9f7e-48b8-b91c-92f66259f8c1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
She Ain't Yo Girlfriend (George Brown Remix)
She Ain't Yo Girlfriend - George Brown Remix
She Ain't Yo Girlfriend (Remixed by George Brown of Kool & The Gang)
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 0x825173a11ac6ea3fdd1909791c3abb71343cf1eec5c2ae6069a42f1453b736de. 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/0NT3j1oWwY8KeI4f7zoA8c.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/0NT3j1oWwY8KeI4f7zoA8c.
{"copyright_id":"0x62d27e864d4e30bf5a9d1e9b740d2c76ab867507d3c86cd1317b37dc339a6e09","isrc":"GBKPL1788677","name":"Don't Give Up On Me","registered_at":"2026-06-29T09:09:59Z","spotify_id":"6gDQw6fkcmwNLImq7uh0Xx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d27e864d4e30bf5a9d1e9b740d2c76ab867507d3c86cd1317b37dc339a6e09. 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/6gDQw6fkcmwNLImq7uh0Xx.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/6gDQw6fkcmwNLImq7uh0Xx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x240863d1a4d8609ea3482c0bb174f86fb08b566964651cd14eefea4b8d2d7959. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65BRzw3viNkh1cY5dUteOB.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/65BRzw3viNkh1cY5dUteOB.
{"copyright_id":"0x1e46fc74b2a1ac1a2620186921674a4c657ac49ef2905a37d4b5440e87f4a21e","isrc":"USFLB2100500","name":"Ah Jeez - Manic Focus Remix","registered_at":"2026-06-09T18:00:44Z","spotify_id":"3Q1iXSsRMbD1GBWxzfRTd8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e46fc74b2a1ac1a2620186921674a4c657ac49ef2905a37d4b5440e87f4a21e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Q1iXSsRMbD1GBWxzfRTd8.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/3Q1iXSsRMbD1GBWxzfRTd8.
{"copyright_id":"0xac8f5129ab6eb5f2cb4b2fbe50c9da4dcdc1d2be1abfbb2f1b2108d28f383341","isrc":"USFLB2201310","name":"Hot Guy Alert","registered_at":"2026-06-10T03:31:40Z","spotify_id":"3p3mEgq9XH87rr2hLUyqZh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8f5129ab6eb5f2cb4b2fbe50c9da4dcdc1d2be1abfbb2f1b2108d28f383341. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3p3mEgq9XH87rr2hLUyqZh.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/3p3mEgq9XH87rr2hLUyqZh.
{"copyright_id":"0xbd68f078b7e03cd69d5d5aa318a797cead92aee2c7e0feef99020d4bcdaeee33","isrc":"USFLB2201320","name":"Midas Whale","registered_at":"2026-06-08T11:52:34Z","spotify_id":"4dYAHmdTzOZDcJCMy5uLPp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd68f078b7e03cd69d5d5aa318a797cead92aee2c7e0feef99020d4bcdaeee33. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dYAHmdTzOZDcJCMy5uLPp.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/4dYAHmdTzOZDcJCMy5uLPp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0a86350787ba7474f841068a3e283e360b5d1428027123e227b21a0b393dce. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38AKAxZq5Os3Z9TPeMGXsx.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/38AKAxZq5Os3Z9TPeMGXsx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0a86350787ba7474f841068a3e283e360b5d1428027123e227b21a0b393dce. 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/2OnJ5vfbFGNIOvBWudGTaf.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/2OnJ5vfbFGNIOvBWudGTaf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048fa14420cef821b1fb3f5d28ae90b93e2c9a7e6a452d2e012ea887560fe226. 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/0LLqs1Hef4X0g5K9VAFuN4.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/0LLqs1Hef4X0g5K9VAFuN4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f2125331cbd5e0e502e7dba435f509eb9cda8a1c53db1318c26e40dfbc6982. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7uLXEiemvSy8SabVga9iEV.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/7uLXEiemvSy8SabVga9iEV.
{"copyright_id":"0xc9cb0ddd6f5b6cdb34c8ae19180a599e761ecb80db8a39219c93970e78fbea10","isrc":"USFLB2303813","name":"Motor Mouth","registered_at":"2026-06-18T15:23:42Z","spotify_id":"21QzPT8qnkRGvSj8G9EBqK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9cb0ddd6f5b6cdb34c8ae19180a599e761ecb80db8a39219c93970e78fbea10. 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/21QzPT8qnkRGvSj8G9EBqK.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/21QzPT8qnkRGvSj8G9EBqK.
{"copyright_id":"0x9e9fe67ed1f007ee6d191a74f02de1ed942c8bd2b4f9375020b65980a5fbf9d5","isrc":"USFLB2303816","name":"Porty Hord","registered_at":"2026-06-09T17:14:04Z","spotify_id":"0OpUspYLOhOeOkbei0iM7Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9fe67ed1f007ee6d191a74f02de1ed942c8bd2b4f9375020b65980a5fbf9d5. 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/0OpUspYLOhOeOkbei0iM7Q.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/0OpUspYLOhOeOkbei0iM7Q.
{"copyright_id":"0x1b40cf8fccd8abe887cd76074bb567bd0fe75c4a345b3b756d1e3d0f34c05819","isrc":"USFLB2302000","name":"Wiggle in the Middle","registered_at":"2026-06-21T00:56:53Z","spotify_id":"2PrDapvLSUi0cB6VVG2pi8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b40cf8fccd8abe887cd76074bb567bd0fe75c4a345b3b756d1e3d0f34c05819. 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/2PrDapvLSUi0cB6VVG2pi8.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/2PrDapvLSUi0cB6VVG2pi8.
{"copyright_id":"0xac8f5129ab6eb5f2cb4b2fbe50c9da4dcdc1d2be1abfbb2f1b2108d28f383341","isrc":"USFLB2201310","name":"Hot Guy Alert","registered_at":"2026-06-10T03:31:40Z","spotify_id":"32CURc5d1ItzN2U46ywFb9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8f5129ab6eb5f2cb4b2fbe50c9da4dcdc1d2be1abfbb2f1b2108d28f383341. 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/32CURc5d1ItzN2U46ywFb9.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/32CURc5d1ItzN2U46ywFb9.
{"copyright_id":"0xbd68f078b7e03cd69d5d5aa318a797cead92aee2c7e0feef99020d4bcdaeee33","isrc":"USFLB2201320","name":"Midas Whale","registered_at":"2026-06-08T11:52:34Z","spotify_id":"63ikXpHcN8i4Q5sy1yyXOC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd68f078b7e03cd69d5d5aa318a797cead92aee2c7e0feef99020d4bcdaeee33. 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/63ikXpHcN8i4Q5sy1yyXOC.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/63ikXpHcN8i4Q5sy1yyXOC.
{"copyright_id":"0x6b9bb8ba231d5c0d0c52598e9dba06bd1af801ee18ca20874d3d8a8f48416b46","isrc":"USFLB2303817","name":"Remember Me","registered_at":"2026-06-19T10:19:17Z","spotify_id":"2eH5dPConMGJtrTx7WDkDY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9bb8ba231d5c0d0c52598e9dba06bd1af801ee18ca20874d3d8a8f48416b46. 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/2eH5dPConMGJtrTx7WDkDY.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/2eH5dPConMGJtrTx7WDkDY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734508287f93dbef087036e78b4998e5f5532b435bd5e8c8b07f94fd7346349b. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22hZbIoZyW4cZIYujYj7aF.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/22hZbIoZyW4cZIYujYj7aF.
{"copyright_id":"0xc68a3fb5c71f7bfee470966f2148c861c38d8ee4d1b828dadbacecc6b76e5900","isrc":"USQY51539576","name":"Need This","registered_at":"2026-06-09T14:45:03Z","spotify_id":"2YJteg9DepEACnTc15i7ni","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68a3fb5c71f7bfee470966f2148c861c38d8ee4d1b828dadbacecc6b76e5900. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YJteg9DepEACnTc15i7ni.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/2YJteg9DepEACnTc15i7ni.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x118dee837c72b38d8341abb371e29f832b110a851431046b7354e08ad4592264. 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/2oDGgviP0a8oDhl23gFx1X.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/2oDGgviP0a8oDhl23gFx1X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23842762193c10d4d614794df5e52cfb915100c298375d9552e4122f527697f4. 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/7xUqzG7ulYFT618sKyN3Tu.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/7xUqzG7ulYFT618sKyN3Tu.