Darren Jason Dixon (born 19 January 1980), known professionally as D Double E, is a British grime MC, DJ and record producer from Forest Gate, East London. He performs both as a solo artist and as a m
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 0x5fa2c6dc7be69550d043dd1ebb91a3b7c682fd69fe8eebb7a4baa3bfed5038c1. 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/8aea50f0-a498-4f0b-9f6c-f0c8603df7a4.json and https://artists.proofprofile.net/proofs/artist/8aea50f0-a498-4f0b-9f6c-f0c8603df7a4.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 0xc282d223301d290594dc95358e4155cc7e12b2c353e16aa2b2fb5b33cd0f83c1. 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/ZZOPM2106712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e0355d0382a17197f7aadbfde3c8455fe712500321deb9a280e89001e6084b. 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/QM4TW2451065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7b397a0047eb979abdc160e121204a6c8006eb67ab97d63851b238186038c2. 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/US5ED2100817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1835dbf13819bd661768a9da847d4f1c935673a1e7750262cd0adcabfe92948f. 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/GB7QY1500471.
Double Trouble (feat. Unknown T & D Double E)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785e71aa0df816cd9d4d7d964b831c4611d801984e81dec8c971becd49082e6b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAYE2000553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7b397a0047eb979abdc160e121204a6c8006eb67ab97d63851b238186038c2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US5ED2100817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64271a3919257c49443d20b9f3dd3961504d7211bab24d6abd6f8988f05ce515. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71705422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971c83796319d8902115867af19f197375f32633056a5b83220b3a08c13a4813. 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/GBUM71803014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc377cf655993a27d3e1bcf21c3f5b06634d6342aadfcd2ebfc233b21b82710. 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/GBKPL2013055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb084c8947656569eec5aae8640cbf03cadb9186747fc043c284fa5be266425c6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBEU71500294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf30b74de5d1e96615f0dbc94cb88aff060d702558479effd0f503bc604f308be. 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/FR10S2038903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca1338b2f1323544c2c99b3204ec9160fb842a4fa37e242a75caf46a329ff0d. 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/GBLFP1790531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32e02427d030993ed659e8e00acf57c65e20befde55951432242b7fa11b8431. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/FR10S2038904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830894523d292cb7f0e64bee574fd93a8db14fc98770e61f437842007bee5263. 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/GBEU71500291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf5bf652cd023d7c4531fcb7e98b073c8103645cb90e7fe2fa07e43809c68c6e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBSYA1200006.
Colours (Frisco Feat. Ghetts & D Double E)
Colours (Frisco feat. Ghetts & D Double E)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc377cf655993a27d3e1bcf21c3f5b06634d6342aadfcd2ebfc233b21b82710. 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/GBKPL2013055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc282d223301d290594dc95358e4155cc7e12b2c353e16aa2b2fb5b33cd0f83c1. 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/ZZOPM2106712.