1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x91b143266d0949f06dbc53c7c5f8ec89c5e0dcf8adfd95d177629a09f8ff1855. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5383d26-8a74-44e9-beb7-ccbab203df66.json and https://artists.proofprofile.net/proofs/artist/d5383d26-8a74-44e9-beb7-ccbab203df66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Secret Healer Pt. 2 (Original Television Soundtrack)
좋은 사람 (Original Television Soundtrack), Pt. 11
A Good Person (MBC TV DRAMA) OST Part.11
오 마이 금비 (Original Television Soundtrack) Pt. 2
오 마이 금비 (Original Television Soundtrack) Part. 2
20th Century Boy and Girl (Original Television Soundtrack, Pt. 4)
Love Interference Season2 (Original Television Soundtrack), Pt. 5
Love Interference Season2 연애의 참견 시즌2 (Original Television Soundtrack), Pt. 5
태양의 계절 (Original Television Soundtrack), Pt. 1
A Place in the Sun Pt. 1 (Original Television Soundtrack)
Miss Lee (Original Television Soundtrack), Pt. 3
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 → block OTSBitcoinBlock must exist at that height 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 0x2c9a9aa100729ecc08fb14341ae0202e44c464c9301d28ed87134969575f67e2. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/KRA382000555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1084ae97f64a2ea2f78ce373a7fc59f572e55891ec012974b103edd704a307. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/KRA382001832.
내가 가장 예뻤을 때 (Original Soundtrack), Pt. 3
When i was the most beautiful (Original Television Soundtrack) Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x771b4b542588a19c94233569614ca45d91014b4d31ed6cd6799a241bc5e3de8f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/KRMIM2023031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa648a67148ad6304e57971e0491bc8b8d417699e3a406b89ceb7a1b11257ae58. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T10:23:39Z), 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/KRA382007178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4285d28f4ed169d6cdfa1089a43581a829299696079cc21074f9d48a1d1c3677. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/KRMIM2135787.
I hurt that person (Nth Romance X Jeon Sang Keun)
I hurt that person (Nth Romance X Jeon Sang Keun) (Inst.)
The distant future (From "Going to You at a Speed of 493km" [Original Soundtrack]), Pt.6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac660a73cd30f9eb342edfb563701b20e2962b246d3d7f9a2ead2a618cc27cdb. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/KRMIM2219262.
Beautiful Now (Original Television Soundtrack) Pt. 12
Romance (WEBTOON 'Discovery of Love' X Jeon Sang Keun)
Romance (WEBTOON 'Discovery of Love' X Jeon Sang Keun) (Inst.)
The Golden Spoon (Original Television Soundtrack, Pt. 9)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff4801034471623278b0f6c9a1b625de6e8f7b53b1c7e2fb14abb1df7dc445b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/KSA002202248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb79084979ca719acb7a86508eb65e05fba146159f8d0b83a713f603838de52d1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/KRA382208858.
Spring will come after this winter - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff05cf2ec96e197ea2dc7fd3e3d7424a13c880aa011350a34872b12baaab122. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/KRA382302039.
Why break up? (My love X Jeon Sang Keun)
Why break up? (My love X Jeon Sang Keun) (Inst.)
That day (Our Secret Diary X Jeon Sang Keun)
That day (Our Secret Diary X Jeon Sang Keun) (Inst.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6f5ee9da06397b49817aed757f967c3735b1b2cc38a8fe51b3f928acfde88b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/KRA252402272.
Please, Don't Go (Original Soundtrack from the Webtoon A Not So Fairy Tale)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78186221864737f14bff2f03e1fdc82d5a7b305e6e543d43b0c8900847c18778. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/KSA002402325.
Hidden Masterpiece Re'born Episode.5 My Room, My Heart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe31779053e35465916dfe4ab9e90d84da3e2f5b3de1a143762ef81dc8adf7a90. Chain 2 (Bitcoin): anchored in block 958376 (2026-07-17T06:41:00Z), 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/KRA382503620.
End of a Day, You (Original Soundtrack from Just For Meeting You)
On That Day (Jeon Sang Keun X Lulu-lala Friends)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2bce79cde7d30e2588aa3eaf29dccf3dd5deb15e7ff2ebb9dc33d0dc1de2efc. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/KRA382200029.