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 0x47bb2d57417a68caa61c69b17907426643fa1d611bf6e62c772e5938cc896664. 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/ac74758a-9151-47b1-a786-47c1aff82ffb.json and https://artists.proofprofile.net/proofs/artist/ac74758a-9151-47b1-a786-47c1aff82ffb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Way to go, Jang Mi (Original Television Soundtrack), Pt. 4
밤을 걷는 선비 (Original Television Soundtrack) - Part. 2
Scholar Who Walks The Night (Original Television Soundtrack) - Pt. 2
Scholar Who Walks the Night (Pt. 2; Original Soundtrack)
밤을 걷는 선비 (Original Television Soundtrack) - Pt. 2
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 0xd24838547cdb76466cc530d2b90557079a0923bc808050bb6bc019f75fa0a161. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:24:11Z), 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/KRA341534526.
Dalkom Family (Original Television Soundtrack), Pt. 4
My Sweet and Boody Family (Original Television Soundtrack) Pt. 4
Bad Thief Good Thief (Original Television Soundtrack) Pt. 5
도둑놈 도둑님 (Original Television Soundtrack) Pt. 5
Mysterious Personal Shopper (KBS 2TV DRAMA) OST Part.3
인형의 집 (Original Television Soundtrack), Pt. 3
Love Returns (KBS 2TV DRAMA) OST Part.23
미워도 사랑해 (Original Television Soundtrack), Pt. 23
불어라 미풍아 (Original Television Soundtrack), Pt. 12
여름아 부탁해 Pt. 28 (Original Television Soundtrack)
여름아 부탁해 (Original Television Soundtrack), Pt. 28
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62292a7c8c5efcc9e53ecb06b6866a49e3cada34e4167e80ad27ed45904f789. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/KSA012314763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255090f9e630836c36a14d60cfff81e9a4fefe7aebf71bf92af17d2a500980b8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T00:49:45Z), 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/KRA341558643.