Matthew Nelson (born 22 April 1967 in Loughton, Essex, England), better known as DJ Slipmatt, is a British electronic music producer and DJ. He was one half of breakbeat hardcore group SL2, who had a
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 0xf3f10bf96184f028595c904c9addbeef623635d4e2a1861bd6cbdc1c1db016b4. 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/0b14b712-3670-4729-9b94-529580a0b29d.json and https://artists.proofprofile.net/proofs/artist/0b14b712-3670-4729-9b94-529580a0b29d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Slipmatt & Billy Daniel Bunter's Hardcore Top 10 Part 2
Slipmatt & Billy Daniel Bunter's Rave Breaks Top 10 Part 2
Slipmatt Classic Happy Hardcore Top 10 Part 1
Slipmatt & Billy Daniel Bunter's Hardcore Top 10 Part 3
Zipped Up (Going Back To My Roots) (Club Mix)
Zipped Up (Going Back To My Roots) (Radio Mix)
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 0x3a46e2dab14dc39716bbb5c03916360c979a15762b3e21cd973d7f3643269a4b. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBKQU2216505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1137fc9d5afdab4b7344b384c92d3880395d63fd1d0350a8fed6c270ce655ef1. 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/GB8KE2205302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e4b6dccd087d086acd82fbbc2a8030d26c80302b17ee95615f168af5891fc3. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/GB8KE2413461.
You're Such Ah (Nick Skitz & Astro 13 Remix)
Third Generation Dub - Billy Daniel Bunter & Sanxion Remix
Festival Breaks - Mixed By Vinyl Junkie & Sanxion
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc014495f6b2f5233ddafbf615d36c236193e7cfa43261f0de779fc679b3f0ba7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBVEC1100178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1137fc9d5afdab4b7344b384c92d3880395d63fd1d0350a8fed6c270ce655ef1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GB8KE2205302.
Happiness Happening - Slipmatt & Al Storm Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4921fe046fcfd7584c122341c2bf8d70469c0d208dd5e3e1cbf29dd57998c3ce. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/UKT6B1900076.
Dont Die Wondering - 20 Years Of Kniteforce
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf703173ee42bb83d4626cca2a9fd9c6642987b226be5d8695b05ee4f99a12ced. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBKQU1314270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94cc0e7759b78a97a5937be5bf5fbea2049b933f43719e75fe0c8a0c9e3d7ebe. 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/GBKZG1600284.
Take Me Away - Slipmatt Remix Remastered
Remix Records & Kniteforce Present The Remixes, Pt. 1 (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53f308b9f23130197eb8cff6eb49fcb2095715c5a83a1cd84cf9ada765582c29. 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/GBKQU1695784.
Remix Records & Kniteforce Present The Remixes Part 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b83b9814e7ba6f74493a86c830b40c0a400820fc13e00e78001ba40ce11761. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBKQU1312760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadfc40a97e232920da05ec15f4db9c5b785edd68ff7ca99ac83ff7ab6bc9b24b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBFG91900025.
Remix Records & Kniteforce Present The Remixes Part 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fea568f182a14e9b79bd9b8e47375a1ee660dd4038cdcc5074392ea86a12385. 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/GBKQU1312802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708f56ab4dacd29e0d0d9b3aeace7681bca6c16c3e08c81d17ad6b045d8acbb7. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GB8KE1754408.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch