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 0x5763b7491bcd8b765a712327baeffcd211673019efbdb3be4fda9d212585576d. 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/e676ed4f-0f78-4a7d-87cf-21d20aa01a46.json and https://artists.proofprofile.net/proofs/artist/e676ed4f-0f78-4a7d-87cf-21d20aa01a46.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zonder Vertrouwen Is Er Ook Geen Verraad
Ik Wil Weten - Rocks & Harra & Rb Djan & Zefanio
Grotere Dingen - Rocks & Watts & Ebon E & Salah Edin
Ik Hoop Stiekem Dat Je Belt - Rocks & Kempi
Motivatie - Rocks & Hydroboyz & Jayh Jawson
De Eerste De Beste - Rocks & Rb Djan & Mr Menaze
Ik Wil Weten () - Rocks & Harra & Rb Djan & Zefanio
Freestyle (Bombrush) [feat. Reverse, Adje & Naffer]
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 0x11e5c4c088e6e73273b286f4ed1e56013392e522f2d1ffef85e845aebe4e4276. 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/1iNm0KhKi8NAxL6fxRW58e.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/1iNm0KhKi8NAxL6fxRW58e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9038b383eb800decd7d90813bc96553df9fb1c0cbf138110f793725d7408b008. 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/3SZ0TVBkeXcnzVFQNgU4Ll.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/3SZ0TVBkeXcnzVFQNgU4Ll.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf55923bfaeddec7376902c2c1511e2db9e8d3554bd13d9a0b45b130534c85a3a. 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/6j91QVqOqQ3KZkxsZ3kDQ3.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/6j91QVqOqQ3KZkxsZ3kDQ3.
{"copyright_id":"0x2650d2886d9df3bd16f10693758a6a3814bdd82668d1bafed3908ad26e4673cc","isrc":"NLG662000822","name":"Terug In De Tijd","registered_at":"2026-06-23T05:05:13Z","spotify_id":"07rtCmQjjPUUyDPNlFcLpu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2650d2886d9df3bd16f10693758a6a3814bdd82668d1bafed3908ad26e4673cc. 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/07rtCmQjjPUUyDPNlFcLpu.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/07rtCmQjjPUUyDPNlFcLpu.
Yoooo Maaan! The Hip Hop Rap & Ghetto Tek Compilation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37494bd23690d5cd995020c152aa774a25dbbdf43eef129afe221854ddf289b2. 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/6uFY2LWUmP7F8jviWswPBp.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/6uFY2LWUmP7F8jviWswPBp.
{"copyright_id":"0x8630a920fa340482d4d5d4e217d8433a2f3b288ac2a4b0be2394ae43898842bc","isrc":"DEAR41639041","name":"Geef Mij Maar Amsterdam","registered_at":"2026-06-08T21:51:31Z","spotify_id":"7uf0EfaShtKnl9vUxrnm5y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8630a920fa340482d4d5d4e217d8433a2f3b288ac2a4b0be2394ae43898842bc. 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/7uf0EfaShtKnl9vUxrnm5y.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/7uf0EfaShtKnl9vUxrnm5y.