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 0xb366b6e707e1a39bf45d1fffcabf3f5eb0bc73fc729f8526b156157250189244. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a26bc4d-e74f-44f6-b341-1153080d342d.json and https://artists.proofprofile.net/proofs/artist/4a26bc4d-e74f-44f6-b341-1153080d342d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Only Boy - Strict Face’s Forever Your Papi Remix
Only Boy (Strict Face’s Forever Your Papi Remix)
Keep Calling (Fallow’s Keep Ballin’ Mix)
Sometimes The Going Gets A Little Tough (High Contrast Remix)
Sometimes The Going Gets A Little Tough - High Contrast Remix
Sometimes The Going Gets A Little Tough - Extended Mix
Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Extended Remix
Sometimes The Going Gets A Little Tough - Mella Dee Going Got A Bit Tougher Mix
Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Remix
Sometimes The Going Gets A Little Tough - Mella Dee Going Got A Bit Shorter Mix
Sometimes The Going Gets A Little Tough (Ferreck Dawn & Robosonic Extended Remix)
Sometimes The Going Gets A Little Tough (Ferreck Dawn & Robosonic Remix)
Sometimes The Going Gets A Little Tough (Mella Dee Going Got A Bit Tougher Mix)
Sometimes The Going Gets A Little Tough (Mella Dee Going Got A Bit Shorter Mix)
Sometimes The Going Gets A Little Tough (Remixes)
Sometimes The Going Gets a Little Tough - Extended Mix
{"copyright_id":"0xcbcd27678eac64eaec87f24c569c471ca64ebbfc5c138d02723563e679d20752","isrc":"GBCPZ1814285","name":"Sometimes The Going Gets A Little Tough - Mella Dee Going Got A Bit Tougher Mix","registered_at":"2026-06-11T02:25:21Z","spotify_id":"6cRNDumQm3hW3lbSAyoaRA","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 0xcbcd27678eac64eaec87f24c569c471ca64ebbfc5c138d02723563e679d20752. 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/6cRNDumQm3hW3lbSAyoaRA.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/6cRNDumQm3hW3lbSAyoaRA.
Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Remix [Mixed]
Defected Radio Episode 132 (hosted by Sam Divine)
James Haskell's Back Row Beats Workout, Vol. 3
{"copyright_id":"0x246ef70ddf390dddc6a1e39152abbe0f3c84abfeea27f2af52ce17d987d6b342","isrc":"GBCPZ1814067","name":"Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Extended Remix","registered_at":"2026-06-28T06:18:42Z","spotify_id":"4Mdkay7K9t54C2omsWGssB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246ef70ddf390dddc6a1e39152abbe0f3c84abfeea27f2af52ce17d987d6b342. 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/4Mdkay7K9t54C2omsWGssB.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/4Mdkay7K9t54C2omsWGssB.
Sometimes The Going Gets A Little Tough - Extended Mix (Mixed)
Defected presents Most Rated Ibiza 2018 (Mixed)
Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Accapella
Sometimes The Going Gets A Little Tough - Ferreck Dawn & Robosonic Extended Remix (Mixed)
James Haskell's Back Row Beats Workout, Vol. 3 (Mixed)
Sometimes The Going Gets A Little Tough - Mella Dee Going Got A Bit Tougher Mix (Mixed)
Defected Presents Most Rated 2019 (Mixed)
Defected Radio Episode 113 (hosted by Sam Divine)
Defected Radio Episode 117 (hosted by Sam Divine)
Defected Radio Episode 163 (hosted by Sam Divine) [DJ Mix]
{"copyright_id":"0x771b243eff100ef90e34b71d53f0534676858d2e685dc141957b126ac2d86064","isrc":"GB2DZ1700055","name":"Sometimes The Going Gets A Little Tough - Extended Mix","registered_at":"2026-06-08T17:17:44Z","spotify_id":"2fcxxjFaIy0TBwDJWrkpXv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x771b243eff100ef90e34b71d53f0534676858d2e685dc141957b126ac2d86064. 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/2fcxxjFaIy0TBwDJWrkpXv.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/2fcxxjFaIy0TBwDJWrkpXv.
Sometimes The Going Gets A Little Tough (Ferreck Dawn & Robosonic Remix) - Mixed
{"copyright_id":"0x055693f7398ca3b6b92c3c9f2a4aeb3cd306dc847932c5c6153496a9918a0761","isrc":"GBCPZ1814829","name":"Sometimes The Going Gets A Little Tough (Ferreck Dawn & Robosonic Remix) - Mixed","registered_at":"2026-06-21T00:12:12Z","spotify_id":"5P8GHpAV0pPH05Ld4s9n7r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055693f7398ca3b6b92c3c9f2a4aeb3cd306dc847932c5c6153496a9918a0761. 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/5P8GHpAV0pPH05Ld4s9n7r.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/5P8GHpAV0pPH05Ld4s9n7r.
Sometimes The Going Gets A Little Tough - Mixed
Defected Radio Episode 104 (hosted by Simon Dunmore) [Mixed]
{"copyright_id":"0xb5bfa5d026f149744bf9db4e32810604ba2676c0e282da9b3ea2e74b353c38d1","isrc":"GBCPZ1813780","name":"Sometimes The Going Gets A Little Tough - Mixed","registered_at":"2026-06-24T12:22:30Z","spotify_id":"375g5YQAIoyKgdjH7wzMDm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5bfa5d026f149744bf9db4e32810604ba2676c0e282da9b3ea2e74b353c38d1. 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/375g5YQAIoyKgdjH7wzMDm.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/375g5YQAIoyKgdjH7wzMDm.
Sometimes The Going Gets A Little Tough (Extended Mix) - Mixed
James Haskell's Back Row Beats Workout, Vol. 2 (Mixed)