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 0xf0904bf05891466e81825e6a18696e7974631b1a326999b7cce94465fc5d2bb8. 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/32e35a02-10a3-4360-9c7a-930984a797fe.json and https://artists.proofprofile.net/proofs/artist/32e35a02-10a3-4360-9c7a-930984a797fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x79082020a2c6505ca58980a79930f2a61b598e104a22e11d9a238456132d19b1. 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/2CmE1LIpVenOmbPBAu5WeI.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/2CmE1LIpVenOmbPBAu5WeI.
Dit Moet Een Zondag Zijn - Dos Palomas Negras Remix
De Rijken Moeten Niet Zeiken - Extended Version
De Rijken Moeten Niet Zeiken - Radio Edit
De Rijken Moeten Niet Zeiken - Extended Mix
Slide (feat. Michael Bryan & Zwarte Sjaak)
Ik Ben Je Man Niet (feat. Michael Bryan & Zwarte Sjaak)
Het Laatste Liedje (feat. Ravenna Moscoso & Thomas Berge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7611ed800eb5d91f8493ada5388d28f3f461efcf6115ccc980b457dce41ac243. 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/33OVTlFUKuG3kpyKB0MuTM.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/33OVTlFUKuG3kpyKB0MuTM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fbc6f5802e3e4ff0fe4fbfbd99d4612a07302f0ac79148688efb43e62941460. 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/40wKZpmr0QA5UTb9N75JY2.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/40wKZpmr0QA5UTb9N75JY2.
YEAH AIGHT (feat. Caprisol) - Instrumental
OP HET RANDJE (feat. Michael Bryan) - Instrumental
ISSUES (feat. Michael Bryan & Oes) - Instrumental
LEGENDARISCH (feat. RBDjan) - Instrumental
RIJ MAAR DOOR (feat. Michael Bryan & Zwarte Sjaak)
RIJ MAAR DOOR (feat. Michael Bryan, Zwarte Sjaak & M. Pieksma)
RIJ MAAR DOOR (feat. Michael Bryan & Zwarte Sjaak) - Instrumental
Alsof God (feat. Donna Lugassy & Michael Bryan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b7c6fd04d88acfbfe9f0f77d8e839bd03e48313080e464c6a75f3e2bfa5b66. 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/5RVTp3nlbA4plG5ZRZruff.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/5RVTp3nlbA4plG5ZRZruff.
Sportwagens & Hockeydames - Instrumentaal
Wereld redden (feat. Xander de Buisonjé)
Kuchisabishii (feat. Lola Vice) - Radio Edit
{"copyright_id":"0xa65a9f7beb6fe1d682dbc1297c838790c8c4fc40c674da423cd8846cba0a07ad","isrc":"QMFME1914228","name":"Stapelgek (Suzanne)","registered_at":"2026-06-08T03:48:41Z","spotify_id":"3pABdVttIldU1DqQFAA7kN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa65a9f7beb6fe1d682dbc1297c838790c8c4fc40c674da423cd8846cba0a07ad. 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/3pABdVttIldU1DqQFAA7kN.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/3pABdVttIldU1DqQFAA7kN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5663b98287f9c7c7cc756b03022f0e0288b40cbffafd3b0f8b15b64508411a7b. 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/6CGe7r8PRLETjjq8A6ZSm1.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/6CGe7r8PRLETjjq8A6ZSm1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11188c0b1bd6bf5225b00fbfe253963c02cfa7a08540d47419d6a1080380d7b9. 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/6uprt15a8pzdG3ey81Shjq.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/6uprt15a8pzdG3ey81Shjq.
El Plugo (feat. Défano Holwijn, Jhorrmountain & Lange Frans)
What It Do (feat. Shanee, Michael Bryan, Défano Holwijn, Jhorrmountain & Lange Frans)
Dat gaat niet zo (feat. YOUNGBAEKANSIE, Michael Bryan, Lange Frans & Hans Grants)
Leipe Penoze (feat. Lange Frans & Zwarte Sjaak)
Helemaal niets (feat. Lange Frans, Michael Bryan & Josylvio)
{"copyright_id":"0x81f02dd37d7ec3aa7756051882c54a48a0d773e15b8adfdcaed6f62972e1b7d4","isrc":"NLUM71100230","name":"Vrij - Live","registered_at":"2026-06-26T17:16:26Z","spotify_id":"0UVoiNIMUrObNmCTiqMbsY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81f02dd37d7ec3aa7756051882c54a48a0d773e15b8adfdcaed6f62972e1b7d4. 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/0UVoiNIMUrObNmCTiqMbsY.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/0UVoiNIMUrObNmCTiqMbsY.