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 0x91887a6e1c2b9e750c7492b2e2933f608aaad7f0b264672fec1650f652814abe. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65c9847b-1019-4fce-87a6-ae49932ced0a.json and https://artists.proofprofile.net/proofs/artist/65c9847b-1019-4fce-87a6-ae49932ced0a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Caffeine (Feat. Jun Hyung Yong Of BEAST)
Diary of a Night Watchman Original Soundtrack (Part 4)
HWARANG, Pt. 6 (Music from the Original TV Series)
The Divine Move (Acoustic Version) - Instrumental
The Emperor: Owner of the Mask (MBC Drama) OST Part.1
I Couldn`t cry because I`m a man - Instrumental
The Emperor : Owner of the Mask OST Part.1 (Soundtrack)
I Couldn`t cry because I`m a man (Inst.)
The Emperor: Owner of the Mask (MBC Drama) OST Part.7
The Emperor : Owner of the Mask OST Part.7 (Soundtrack)
이리와 안아줘, Pt. 1 (Original Television Soundtrack)
Let's Eat! 3 (Original Television Soundtrack), Pt. 4
Let′s Eat! 3 : Begins, Pt. 4 (Original Television Soundtrack)
Only you (Romance 101 X Yang Yo Seop) (Inst.)
LOVE DAY (2021) (Romance 101 X Yang Yoseop, Jeong Eun Ji)
LOVE DAY (2021) (Romance 101 X Yang Yoseop, Jeong Eun Ji) (Inst.)
[Vol.103] You Hee yul's Sketchbook : 66th Voice 'Sketchbook X YANG YOSEOP'
[Vol.104] You Hee yul's Sketchbook : 66th Voice 'Sketchbook X YANG YOSEOP'
Our Beloved Summer (Original Television Soundtrack), Pt. 9
その年、私たちは オリジナル・サウンドトラック Part.9
Begin Again Open MIC EPISODE. ​​32 - On Rainy Days
Under the Oak Tree (Original Soundtrack), Part. 4
덤덤하게 또, 안녕 Again, goodbye (YAOKI Project part.2)
My Dearest (Original Television Soundtrack), Pt.5
look at me (Veiled Musician X YANG YO SEOP, SON DONG WOON with Cheongdam-dong)
look at me (Veiled Musician X YANG YO SEOP, SON DONG WOON with Cheongdam-dong) (Inst.)
Musical Werther (2025 New Cast Recording)
Would You Marry Me?, Pt. 4 (Original Soundtrack)
One in a Million (Would You Marry Me? : Original Television Soundtrack)
One in a Million (Would You Marry Me? : Original Television Soundtrack) - Instrumental
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 0xceb8d523448ca0d344ebfa1890d8d527bf506a3acd38d5ba0e67b2dddf54aa92. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/75djSG8XvrMlng7QR0VE9p.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/75djSG8XvrMlng7QR0VE9p.
Our Beloved Summer (Original Television Soundtrack) Special
{"copyright_id":"0x117bea26feaed71956933d4b8debe9c88061ca07e7344927e084749af0bb00cd","isrc":"KRMIM2201108","name":"Even Now","registered_at":"2026-06-18T14:20:02Z","spotify_id":"6EQ9bxvxCrbadQyyghidc2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117bea26feaed71956933d4b8debe9c88061ca07e7344927e084749af0bb00cd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6EQ9bxvxCrbadQyyghidc2.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/6EQ9bxvxCrbadQyyghidc2.
HWARANG (Music from the Original TV Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc6376038b116dc10461cece33d0242a00b9dc8662563f99a79664a461c9f747. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16UKX5xq2REJ42GBqPtihp.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/16UKX5xq2REJ42GBqPtihp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ef74ecdc3f315fee0cc1217ebb102b4e59785bc1d1ca54cc133d5eee644d48. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HiA808yf0p861RCq6Vz8S.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/3HiA808yf0p861RCq6Vz8S.