Warren Griffin III (born November 10, 1970) is an American rapper, record producer and DJ. He is known for his role in popularizing West Coast hip hop during the 1990s, and is credited as a pioneer of
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 0x798ff6324e17d3062d3c49b3ca8c0f1ea40ab04028883171acb2c834a51335d5. 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/1dab6eea-a85d-4075-8887-d9fc5b999af7.json and https://artists.proofprofile.net/proofs/artist/1dab6eea-a85d-4075-8887-d9fc5b999af7.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 0x82a3f5a60b40cd52d3a05f0016718ec11c6c82b254540ef722df6af4ae6b23d5. 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/USPR39401366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52026a671d2eca8778854a612d5e25921cc9e48b6a2557941da997b0b973ab9. 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/USRL19700026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b08e70dfe851e252da732f912d3d6b7bd250fb5362edeb0fc6dd9840c43d12. 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/USA2P2238466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6dda02ec46b8a40c3b4c52499c18f961ff5312ffe1361cd996a14d14e4becc6. 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/USA2P2238468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f4bc8bc56c4a7e0e36bed2fe330d2e028831e2c91952078095486701ba772a. 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/USRC11700177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a3f5a60b40cd52d3a05f0016718ec11c6c82b254540ef722df6af4ae6b23d5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USPR39401366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe165cc0ce12d85592aedbac05368cf2a6e738e6bdccdccc222560794595468d. 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/QZQAY2494224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6dd34906a1dc319cfeab9ceafa4426b060eeb6a9fefa16be55ee4bb89dbcd9. 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/USEEZ1307203.
Ain’t No Fun (If The Homies Can’t Have None)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc87da700945fad2a92e5154caf51445f14b61c22b4f09803ba3ab83ec68baed. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USKO10403599.
Ain't No Fun (Nate Dogg Tribute) {feat. Kurupt & Warren G}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8249cd6d48448a87db5fe18eac85c5267181700cb19c524bdbbd6ae017cc6a6d. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/FR5R00902815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ca2f31046120e07f0e3b47db23c034bebb5ab8b8680acad07e0e815adaf37f. 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/USPO10200099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f6afa6ef6a80b88ef637702d84dfa806294cb782d8e4cd0fd022d4cf7ee5647. 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/USNL19900505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4974cde4fd06d50eccbc329cb3fa80b551fa8319f6286d80f90e2537600cfeb8. 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/USKO10403714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc87da700945fad2a92e5154caf51445f14b61c22b4f09803ba3ab83ec68baed. 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/USKO10403599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa21cc69d936867af69499a0c34c68d4881894285a52e4c45e142e003a2430ef0. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USA2P0739549.
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
Protectors of 1472 (feat. Snoop Dogg, R.O.C. & Warren G)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf89d7c9cdddc3dc9c8e13d6ac3633b35b40b181250c477f1f3fa162c7e2257d. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/USSM19801685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642365898a0d67843b52fe0f8dfa161efee767ee1f64040daab0f2219a4ec67e. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/USKO10900728.
Never Had It Like This (feat. Warren G & T-Fly)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8501e00030b9ca0d20d6e1c452338469f1241753991c801d91aff932010587bb. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/FR5R00903993.