Hardsoul is a duo of house music producers and DJs from the Netherlands, made up of the brothers Rogier (DJ Roog) and Greg van Bueren. Biography Founded in 1997, Hardsoul began releasing music on Sou
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xb15519ca2e180868e9098f42f2cb47e109d42c5c4fcc8058d707dd2dbd5dc650. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3327b680-4d4a-4c54-9c04-07f4db004c87.json and https://artists.proofprofile.net/proofs/artist/3327b680-4d4a-4c54-9c04-07f4db004c87.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c1e0c929e7b8c3d341aec2e4b5a54379f0e90fe95f520824de849d9ecb91fe. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSF70300215.
Back Together - Dr Packer Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddfc465b41a7f3629442484a436ac04e35a5049118f98bb43480ec53cbf06b8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCPZ1916279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e2713bf56fec66edc66bbd4b1556466fef0c189544a5c2be024cb7fa7ca616. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCPZ1916281.
Bounson - Hardsoul's Latin Directions Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb488f5517d0b50a3b054dd59200405e2cc8f664c674ff40aed8bbc0f3c3d07c8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCX10500004.
Deep Inside - Official Hardsoul Mash Up Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07a07bdafd6a608522c9b2f0cf0a274834fe15b50ed7de656c37e563b019deb4. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCX10600013.
Self Religion (Believe In Me) [feat. Fierce Ruling Diva] [Remixes]
Nothing Better Than Your Lovin - Hardsoul Main Reconstruction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48197ec4645a4a79e3f8ae906ae00e7636e5598170ee1ad9cba6e239f84f38c3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCX10800026.
All There Is (feat. Simon Grey, Mitch Crown)
Song 4 Unity (We Need More Love) (Dirty Freek Remix)
Human (Silver Lining) [feat. Hero Baldwin]
Best Of Hardsoul 2005-2012 (The Afrophonic Years)
Best Of Hardsoul 2005-2012 The Afrophonic Years
Self Religion (Believe In Me) [CASSIMM Remix]
Self Religion (Believe In Me) - CASSIMM Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60c4e3b2979d80d279671fcc7335f60c2fe95837346662474a1307c0a519a07. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLML62200079.
Self Religion (Believe In Me) [Housequake Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d5b217c8b267b0909c2f44be7a038c76a428f6fd199bb4a85646d8d29945ab. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLML62500010.
About The Groove (Roog's 2025 Reconstruction)
Lounge Top 100 (The Ultimate Lounge Experience - In The Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfa55df2f9eed1bf9466be4669f6bbe5784bc21e58988dab848e4434ccc5d36. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCY30800178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b12380f95d105235b822530d64899a4c46a884cb27e90d2f16bbc0f154dd39e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHAD1600084.
Back Together - Director's Cut Classic Club Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebcc2db107afaedaf3d5f80782eb21c41b422ee0996345c9aac50c47a5dcd277. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK6KH1900190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42fd936853c7b2de29738063eda27c7b9759078ac6b8ab96239b1134ea75dec8. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T08:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSF71220490.