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 0x98821045dc45840a61e7f715a0058cef8a2700c50ec87f7cc1d4dce172135424. 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/9fc539dd-303f-40a8-9fd0-4cc451e4871b.json and https://artists.proofprofile.net/proofs/artist/9fc539dd-303f-40a8-9fd0-4cc451e4871b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Penthouse Flashback Series: Beres & Buju
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 0xfd7e78ef14924948ff4d83d4537c0f3814624a2d57d260103a0eb5a3b894ab2c. 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/3k7hBXPO3Y9Hho1mMB02FQ.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/3k7hBXPO3Y9Hho1mMB02FQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7496658e434e558ab487427f4a9b0d3a793aae6518a165e7b2ea95184302a1. 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/2H4M3lyO2rJFQw33idCk1X.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/2H4M3lyO2rJFQw33idCk1X.
Party Girls (feat. Buju Banton) [Michaël Brun Dancehall Remix]
Party Girls (feat. Buju Banton) - Michaël Brun Dancehall Remix
{"copyright_id":"0x879751a08f865fcd88affe0585b80bb690086bd7ff21ab5172c73fce4ee4c753","isrc":"USRC12301359","name":"Party Girls (feat. Buju Banton) - Michaël Brun Dancehall Remix","registered_at":"2026-06-09T02:55:32Z","spotify_id":"2a7RTbhDvTIEBvMQI9is88","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879751a08f865fcd88affe0585b80bb690086bd7ff21ab5172c73fce4ee4c753. 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/2a7RTbhDvTIEBvMQI9is88.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/2a7RTbhDvTIEBvMQI9is88.
{"copyright_id":"0xfacce3a93b61a968ce8188e7507e33d67f1e063e7ba0c628f5ee5518140b05c9","isrc":"USRC12204021","name":"Party Girls (feat. Buju Banton)","registered_at":"2026-06-04T13:11:18Z","spotify_id":"5h0uJbjD9QEvXwigegc5O5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfacce3a93b61a968ce8188e7507e33d67f1e063e7ba0c628f5ee5518140b05c9. 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/5h0uJbjD9QEvXwigegc5O5.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/5h0uJbjD9QEvXwigegc5O5.
Reggae Jamdown Triplets - Buju Banton, Elephant Man and Jigsy King
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99593387be8c9b32fe2894674f497f06c2434569258f5aaec484e86f79793476. 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/2fqp0O8YF7KI2b4N9QKK8B.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/2fqp0O8YF7KI2b4N9QKK8B.
{"copyright_id":"0x28089f277fd3cf43ee07a35e0c2ee6d0f165435fabfe4c2d2ac94443b7a0f13e","isrc":"GBVVQ1900345","name":"Bad Mind","registered_at":"2026-06-23T18:11:57Z","spotify_id":"2F39TcgFulKVGKw6EK9wlo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28089f277fd3cf43ee07a35e0c2ee6d0f165435fabfe4c2d2ac94443b7a0f13e. 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/2F39TcgFulKVGKw6EK9wlo.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/2F39TcgFulKVGKw6EK9wlo.
Penthouse Flashback - Buju Banton, Vol. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b2586f8c2ccd1cd030d2f8b0eec804d268e76cda425c9763b42a200a11eb5f. 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/5DlNDvmuPKdtIhMZ52TPrs.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/5DlNDvmuPKdtIhMZ52TPrs.
{"copyright_id":"0xfacce3a93b61a968ce8188e7507e33d67f1e063e7ba0c628f5ee5518140b05c9","isrc":"USRC12204021","name":"Party Girls (feat. Buju Banton)","registered_at":"2026-06-04T13:11:18Z","spotify_id":"7bJ4wMXkbT60VEjYUQKzYz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfacce3a93b61a968ce8188e7507e33d67f1e063e7ba0c628f5ee5518140b05c9. 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/7bJ4wMXkbT60VEjYUQKzYz.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/7bJ4wMXkbT60VEjYUQKzYz.
THESE STREETS KNOW MY NAME (feat. Skillibeng, Buju Banton, Capleton, Bounty Killer & Sizzla)
{"copyright_id":"0x28d6731519220660c554b3afc869cd2b421e4cd2e51323e50f155623b76d9ab8","isrc":"USSM12208427","name":"THESE STREETS KNOW MY NAME (feat. Skillibeng, Buju Banton, Capleton, Bounty Killer & Sizzla)","registered_at":"2026-06-04T16:41:40Z","spotify_id":"6pTvTYvFoKiMVYNqydS2cS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d6731519220660c554b3afc869cd2b421e4cd2e51323e50f155623b76d9ab8. 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/6pTvTYvFoKiMVYNqydS2cS.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/6pTvTYvFoKiMVYNqydS2cS.
{"copyright_id":"0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc","isrc":"QZTLA2412440","name":"Stand United","registered_at":"2026-06-08T13:20:34Z","spotify_id":"1LcPq1JuXvI0MRo8l9lgdZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc. 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/1LcPq1JuXvI0MRo8l9lgdZ.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/1LcPq1JuXvI0MRo8l9lgdZ.
{"copyright_id":"0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc","isrc":"QZTLA2412440","name":"Stand United","registered_at":"2026-06-08T13:20:34Z","spotify_id":"2sxNDf4eFTjxGgPMTFv5jV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc. 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/2sxNDf4eFTjxGgPMTFv5jV.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/2sxNDf4eFTjxGgPMTFv5jV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1b2fde068c3af49ecb6e50d79b690bee3dc645d74963ea0fc2fe7df7de1be5. 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/2pgweUSbAKorya9t7M4s5I.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/2pgweUSbAKorya9t7M4s5I.
{"copyright_id":"0x627033c93a2872c235115ccae7de858443032bad517a4ef49a4b24545da78948","isrc":"USWB12000551","name":"Dangerous City (feat. Buju Banton)","registered_at":"2026-06-05T07:42:20Z","spotify_id":"4EklpCLalQcpMPgZsACUHG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x627033c93a2872c235115ccae7de858443032bad517a4ef49a4b24545da78948. 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/4EklpCLalQcpMPgZsACUHG.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/4EklpCLalQcpMPgZsACUHG.
Penthouse Flashback Series: Complain Riddim
{"copyright_id":"0x91209f82ef2cbb8101ca56f0b3ae9becaa1e25bc9ac69d0a2cc39440bb8a5778","isrc":"JMC711300966","name":"Complain - Remix","registered_at":"2026-06-07T00:14:28Z","spotify_id":"173rV2TzRmDqid7uVcu9Vh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91209f82ef2cbb8101ca56f0b3ae9becaa1e25bc9ac69d0a2cc39440bb8a5778. 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/173rV2TzRmDqid7uVcu9Vh.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/173rV2TzRmDqid7uVcu9Vh.
{"copyright_id":"0x9bef543c3c7a3359238f4f6ae5fdb8d38aba3ac1a5c39d8d93756312cf4f8b9f","isrc":"QZTPX2224602","name":"Faded Away","registered_at":"2026-06-07T12:11:59Z","spotify_id":"573iNCT6aqGkHSAbiuw57N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bef543c3c7a3359238f4f6ae5fdb8d38aba3ac1a5c39d8d93756312cf4f8b9f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/573iNCT6aqGkHSAbiuw57N.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/573iNCT6aqGkHSAbiuw57N.
{"copyright_id":"0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc","isrc":"QZTLA2412440","name":"Stand United","registered_at":"2026-06-08T13:20:34Z","spotify_id":"004CtGzXJLis7oAURAHyrj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9122e1ab7fdc5dacd4af0b1ba974e97c4501ab6d62e663650c13f62c3d31acdc. 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/004CtGzXJLis7oAURAHyrj.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/004CtGzXJLis7oAURAHyrj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fbeffebe8fce504d9f78de2d95d166b48fb0c75b075cd5789443e32c38ad9c4. 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/1Bl33q0pGYrxSaxS0bWSDy.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/1Bl33q0pGYrxSaxS0bWSDy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59920d7a586c72715b67ada7457b7b19b285de5dd2a5369a095a285f229a20a3. 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/4PqQq00j4jqCRKBRyjDPlS.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/4PqQq00j4jqCRKBRyjDPlS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x627033c93a2872c235115ccae7de858443032bad517a4ef49a4b24545da78948. 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/107kOGflJTb321z6yggFDN.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/107kOGflJTb321z6yggFDN.
Dangerous City (feat. Buju Banton) - Chopnotslop Remix
A Muse In Her Feelings (Chopnotslop Remix)