Terrence Ronnie Keaton known by the stage name T La Rock, (born September 16, 1961) is an American old-school emcee best known for his collaboration with Def Jam Recordings co-founder Rick Rubin and t
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 0xc76fd6101f08a59218859a13fd6d914b33495ea9f3e58a5324555d185857bf63. 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/d27b37f1-1e32-43af-94e7-47dbe66bca51.json and https://artists.proofprofile.net/proofs/artist/d27b37f1-1e32-43af-94e7-47dbe66bca51.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 0x990248cce93f13dcd7ebe6637d791f9b53e8a8f8962896073062fa0f80bb1c08. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USWR30753014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0279f5ad351dc6f940d73c813d8a77bb3f40713ba7decbb95294244b3c998c53. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USWR31650502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cab2e2d8c1448aa5c8b46ccbcc9bf8c73a46ae0ca2e4eab8b63d6548e754712. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/USWR31650514.
Def Jam 25: Vol. 2 - DJ Bring That Back (1996-1984) [Explicit Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873eeddb85fb339ad2082f5aa91792616df8a85666ecad3545d4925ec250d0cd. 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/QMV7W1300100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbd3bd38c640add17d7376a902c90ea4213bbbbe4030d790cf4900cb66f8de9. 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/USWR30753203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b5033401ae62e1ff415897d2263c5b3ac1b96edc65f2bbe183e4fc56e78e892. 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/USWR30753207.
Lyrical King (From the Boogie Down Bronx)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb96c3600e7331a4e60bbf4c335c2596022bd7c715487ea329d848becb65234. 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/USWR30911499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf76f07a804065e6d808243456ddd2b78a135418548493b99c8a7ef94c48f383b. 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/USWR30911510.