Jason Jamal Jackson (born July 26, 1987), known by his stage name 03 Greedo, is an American rapper, singer, songwriter, and record producer from the Watts neighborhood of the city of Los Angeles, Cali
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 0x4dea44840e8effdbb112b07324de6882c812dee86a05d077e41d440b3f307fb2. 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/3bfff3e8-a480-42a4-90c8-a801d8159c6c.json and https://artists.proofprofile.net/proofs/artist/3bfff3e8-a480-42a4-90c8-a801d8159c6c.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 0x86d554eda660d92d19bfaae5d3f35fd2617fef1b4d82134d06d280e625e4471a. 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/USUM71904344.
Ready Set Go (feat. 03 Greedo & XXXTENTACION)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70010e59010af80a20b504d6249e4f548a041410e682629b20d422224bb5763c. 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/QZ5FA1950428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e768754c633a533525c1f728ee8758dac4f8de1cf4b13783dd31c8800979e3. 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/USAT22307395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9accaae95f0c61614f7bbec384f6cdbedd01cdb20b6adcf2c03c0d6089b54624. 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/USLD91759009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830555c371e528a9717469a990f1637a1fc63a1cc1cc6dda82f9e952924e1fbc. 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/USUYG1173547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3878847d15def9e86382f29b92ae709bc7e0a27f2cf51f090d4c258386f9b8d. 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/QM7282303445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80a1c899b7ab0d11aa0db8eb441ef52e648ba1d251868de3c5b9469bdf33d4b. 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/QZRP52419674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3991df66b2534841f9ccfe6e0b615baa4615a6d8c98aab89d16c7433292fe453. 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/USUYG1531093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2caecb17e4c7bcc10dcf804735656d49ad0ccd96262e2496a23769a62d3cd146. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USUYG1494475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ff737f7091a6a1ccddbaca65003d4d07e8cec8f0ce7836293cfb0c53fad914. 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/USQX92301583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3697dbe58266b584a3323da2ba448248b216dbde565860729d10ef881cd49f. 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/USUYG1485223.