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 0x7fd13218589719d08e6bc2c72f3ac1c1c52fd3c0a4513cb6f6a4b3eb9b5214ba. 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/5d8a999a-c8d7-4054-9429-2f5732a0ab27.json and https://artists.proofprofile.net/proofs/artist/5d8a999a-c8d7-4054-9429-2f5732a0ab27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sizzle Season 1 Sunny Side Up (시즐 시즌 1 서니 사이드 업)
신의 (Original Television Soundtrack), Pt. 6.
BROWN EYED SOUL Single Project 2nd. THINK OF YOU by YOUNG JUN
The beginning of love (with Ryu Sujeong)
The beginning of love (Duet with Su-Jeong Ryu of Lovelyz)
The Beginning of Love (with Su-Jeong Ryu)
April Showers (Duet with SOYEE of gugudan)
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd083375471446a603c5ad933499c4ca5b2d603122b86181cfd7ae7f372300f1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3H3UAi0WiEdlhoHdA1ZDH2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3H3UAi0WiEdlhoHdA1ZDH2.
Be Smile (Seodaemun Little Baseball Team Fight song)
You're my first and last (Originally by Solid)
You're my first and last (Originally by Solid) (Inst.)
EMPTY (feat.Young Jun of Brown Eyed Soul)
{"copyright_id":"0x86da29d83263a4d8ca49caa710ded95337f94745ebf21b5a7ded7920bbb8f971","isrc":"KRA381500216","name":"EMPTY (feat.Young Jun of Brown Eyed Soul)","registered_at":"2026-06-26T19:14:01Z","spotify_id":"26ATWxUoEA0iQ1hF5FC7dl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86da29d83263a4d8ca49caa710ded95337f94745ebf21b5a7ded7920bbb8f971. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/26ATWxUoEA0iQ1hF5FC7dl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26ATWxUoEA0iQ1hF5FC7dl.