Duwaine Whitfield, better known by the stage name Wittyboy, is a British DJ, record producer and remixer from Leeds, West Yorkshire, England. Early life Whitfield was raised in Leeds where he was inf
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 0xd0c562e80a8a3a34e6161716495c00c127483bf1074662caaca4832e13db28d4. Chain 2 (Bitcoin): anchored in block 953733 (2026-06-15T03:12:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95b25d78-d1f2-41b5-8b73-3e5b8421bf4e.json and https://artists.proofprofile.net/proofs/artist/95b25d78-d1f2-41b5-8b73-3e5b8421bf4e.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 0x0f6b505ea8a2da0e169a68b11f8538bfa23b5ccd574f6014df5a4f9197f83847. 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/UK2HZ1800012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27e32c7f0895529b6dda4e357b5dabbe3bdbd34de59cc49f1db6965cc83fbf3a. 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/FR2X42185094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x306d5fc0dcb661a3f7647c91a1e7adc598a9622fa735e93f3473cf66d7525831. 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/UK2HZ1800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f2f60b4713a5ea506d5c4c33ec1f3762161aa9ad1a624ad562a1d517ab8d5b. 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/UK2HZ1800009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7345c912c5c2f10596e8604e0d61f161930fe67a72412150a065ec8e941b3152. 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/UK2HZ1800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a97f187b8834ff2e6b7883513ac6270996bd8bb6bc421bf72c6a6ffe724847. 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/UK2HZ1800005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480f4111ba21af30a1d23f93509c2a171c31cbb769ee7ac9f38f61c04ca1df60. 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/QMDA71869764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2294bfc6a0d21bc166e1eb53f0d86f83a64c5ce75a9406d1bd4bf577efbe0461. 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/FRX281709194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1764b7a08b06e886b3ea8ee308088168f46ed89da0679eac5e8b82a97eb1c0. 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/GB4R71600051.