TriGem Computer Inc. (, abbreviated TG, also known as TG Sambo), was a South Korean personal computer manufacturer and technology company. Established in 1980, TriGem was the first Korean company dedi
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56399dc43a57d6b8ab479206fc634ce4e174a142d63623e2f2c1e04b08c5f8cb. Chain 2 (Bitcoin): anchored in block 953985 (2026-06-16T18:03:53Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2cc182a0-3492-4154-b0bc-be792ba06ec3.json and https://artists.proofprofile.net/proofs/artist/2cc182a0-3492-4154-b0bc-be792ba06ec3.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774f493d68fab36bfc8b74301e8c3fab51cac48d475647283f1da35ae075d173. 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/QM42K2087501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b11b9dcd7e5ec6dd1dac75c71de68c604032ae63d39fd8b2fce7904acf2bf21. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZMHK2286071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ba49ef3622a367018872df41aeff29403a436a9a422a849c9850cb5e3dbbaef. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QMEZE1763343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc6e237bc87d94dc700aecfcdb79bf827f8fb2130c659b697a3ef7999093a65. 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/QM42K2016952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a815ddc733522ee11b0562e1b2e4f0cc72ccdc0aa44e1b7ffcd14248aaf5d14. 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/QZHN32093885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c141328c1286f60a8c3c5c00f7a162392bb9c797f9c8f2952dc97d600b0411. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/QZHN32093886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x568eb134eb4215fbd5773f8790642b560f11001da6963ae15211b2e598702178. 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/QZHN32093888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f3c2174e28d5bdb968ef542dca37c9589b5b44cedc628a69c3a8ffff5765526. 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/QZHN32093890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d8ad5aadf8ae0a4e3a219dc5e613b76e4a1f1c8428417dab0d2c531d90e354. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZHN32093891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eda711cc58e92d4fb1cd7dcb8e49a9b6c9d0358014b965aa85ed6298a726782. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZHN32093892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70f9cd5f023bd7030bafa3f28021d605fc1e1671c443a5c18616e089f3bdccf8. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QZHN32093893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd239628852940f1385162943df442f40826c04377fd9e3ae01641ccf52e739. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/QZHN32093894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9b8547bcfd4147b2267b9b58fff21f5964739973aa16a3b87d1d16ecf4979a. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/QZHN32093895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4feb20ec6c1e1fc9bf54135657517d4ff70d8d0d05f262a9e6304a91cdacefca. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QM42K1949465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98276c7ca121f42efc0709367b89e3050ad58f8050dde256f9f0e9248983d610. 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/QM42K1962449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc87948a4ff0f78b22aca1533da18525b41f50a953c0c089724ae1265d2d3d342. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/GBWUL1923068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5455e47ed374d3fec98a6ac10b2df9882d789863176b3565f851b051baa815. 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/QM42K1858239.
ill.Gates Presents: The Class of 808, Vol. 2