MacGyver Mukwevho (born 6 November 1988) better known as "MacG", is a South African broadcaster, podcaster, radio DJ, media entrepreneur and author. He is best known as the creator and host of Podcast
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 0x15b37bd862f7c60ad48f2fb4c9548a32fc35b3d83c7f732c4fe567f749f1aa9b. 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/2031f871-d498-4262-a0e3-8514b7ed849f.json and https://artists.proofprofile.net/proofs/artist/2031f871-d498-4262-a0e3-8514b7ed849f.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 0xe12363d64d5d3e6e494333f734c68a670c29ec0b3ff6a7ad9cf1097cb3a3d68e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ZAC012201332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b5b547c66c8ace049a98dada897e289f5f9fbb65b6dc21f2ccc4ed5c7d4b85. 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/ZAC012301337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b5b547c66c8ace049a98dada897e289f5f9fbb65b6dc21f2ccc4ed5c7d4b85. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/ZAC012301337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95920335b11aa8f7f4be63a84d79b54e327a3b7b11ea3888b8a9efd1b42e8633. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ZAC012301338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83fa452078f79094caaf1daaeeefc132785a39b97afbf516577600c6dbd1ad39. 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/ZAC012301341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98da26dab5f40dc367bc99047efced679611f48062e80eff260afd1bd2fece28. 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/ZAC012400863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd887f3e14a6824cab8170944740c9699ef921c1ccdebe11761606d8310df2c8a. 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/ZA40S2400252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e82965cc546f78467f81a9c8fd8b0ce4419144d203aad36cdae64ca47b1947. 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/ZA8YF2300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b5decddc29fac6cddcae4b78bf040b42ec1c8c9a0e884869d75d34a6fe184f. 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/ZA8YF2300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e9bb40d25e2349ab4184c14838bf7ea069a014e535abf07100f23f524838a1. 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/ZA8YF2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf601ad8062ba502a78a7b6eb4bd70ee880f1de4047a30f3da983a9135fce42aa. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/ZA8YF2300016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5be8fb14382587b4f5989d09dacd46a2981f06119880f8d921577d3c7849ff7. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ZA8YF2300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf898379ebb4b92d2a309ad0d1871f9b31d86d8941fe1dc00175e401cc0281ff7. 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/ZA8YF2300019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc612de496588b0f7ad52add601e5daeafaffbf75870555a2809a94b9beb4c828. 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/ZA8YF2300020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b0e9e42706d9a8c5fd6f70167260916ecfa07d39dfab8ee6be9d1c744b4376d. 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/ZA8YF2300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f65954b969906e2e2d6799250ecb725c332f44d823769279e6f690c0de9ea1. 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/ZA8YF2300024.