Jeong Jin-sol (; born June 13, 1997), known professionally as Jinsoul (occasionally stylized as JinSoul), is a South Korean singer. She is a member of Loona, its sub-unit Odd Eye Circle, and Artms. In
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 0x87d01ce08271d4098b8543d6358a2d3a2fbf3bdcaff5a1940a253ee1747a846f. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e5442c37-fb90-4c11-9a27-44bf87193182.json and https://artists.proofprofile.net/proofs/artist/e5442c37-fb90-4c11-9a27-44bf87193182.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tracer (Original Television Soundtrack) Pt.4
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 0x5df509891e17cc5e26f13b7160e993e37ea8af00b651385aecaa4cea33929f64. 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/KRMIM2202802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd50bb2b5cba5be7ccab84d389738e49f8a205fd2aef24883bb758e6ae38496bc. 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/KRMIM2202803.
Meow the secret boy (Original Television Soundtrack) Pt. 8
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1461d01832c1e5410bcf99286a1aa8bd8cc0b66abac4a21df5d9739b6c51a0d. 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/KRMIM2009038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3b7f67cc95d5cf38ab990c687d19c8fca8975fbf9f8e79f12028b93d90bd16b. 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/KRMIM2009039.