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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd3c14ad246f9abe0b01921d0b64f3ca6ec094cecc139f4be0a47ff9fcb41cc. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bae30f51-c27a-43b0-9e7e-863d55c75d48.json and https://artists.proofprofile.net/proofs/artist/bae30f51-c27a-43b0-9e7e-863d55c75d48.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 6
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 1
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 4
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 2
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 5
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 7
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 9
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 10
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 11
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 8
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 17
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 14
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 13
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 15
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 18
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 22
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 23
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 24
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 16
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 19
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 20
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 21
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 29
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 25
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 27
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 28
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 30
K-Pop Karaoke/Instrumental (가요 MR반주) part.34
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 35
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 33
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 32
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 31
내게 오겠니 (Will You Come To Me) [In the Style of Yoon Gun] - Karaoke
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbafa0580084b449646930e89e913e2860743521c0f92347e283e69d17c28e9d6. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11112809 — a six-check JSON result.
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 36
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 39
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 41
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 42
K-Pop Karaoke Instrumental: 최신가요 MR 반주, Pt. 37
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 38
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 45
K-Pop Karaoke/Instrumental (가요 MR반주) part.47
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 43
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 44
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 48
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 46
K-Pop Karaoke Instrumental (가요 MR 반주), Pt. 124
K-Pop Karaoke Instrumental (가요 MR 반주), Pt. 117
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 18
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 123
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 122
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 120
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 119
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 116
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 114
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 113
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 112
K-Pop Karaoke/Instrumental (가요 MR반주) part.127
K-Pop Karaoke Instrumental: 가요 MR 반주, Pt. 115
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 54
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 53
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 52
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 51
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 50
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 49
K-Pop Karaoke Instrumental (가요 MR 반주), Pt. 118
가요 MR반주 - K-Pop Karaoke Instrumental, Pt. 121
가요 MR반주 (K-Pop Karaoke Instrumenta)l, Pt. 126
가요 MR 반주 - K-Pop Karaoke Instrumental, Pt. 111
K-Pop Trot Enka Karaoke (트로트 MR반주), Pt. 14
K-Pop Trot Enka Karaoke (트로트 MR반주), Pt. 09
K-Pop Trot Enka Karaoke (트로트 MR반주) part.06
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt.15
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 17
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 16
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 13
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 12
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 11
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 10
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 08
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 07
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 05
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 04
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 03
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 02
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 130
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 129
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 128
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 125
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 59
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 60
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 58
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 55
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 62
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 61
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 66
앵무새 (Parrot) [In the Style of Howl] - Karaoke
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521b9b64aaf8408c6f61e1879de6d083aa2539145af66a0f6bf61b363eec4b52. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11010615 — a six-check JSON result.
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 65
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 64
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 63
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 69
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 67
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 72
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 71
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 70
K-Pop Karaoke Instrumental (가요 MR반주), Pt. 68
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 74
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 78
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 77
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 76
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 73
K-Pop Karaoke (Instrumental) [가요 MR반주], Pt. 75
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 84
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 83
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 80
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 81
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 82
K-Pop Karaoke (Instrumental) [가요 MR반주], Pt. 79
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 88
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 90
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 85
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 86
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 87
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 89
K-Pop Trot Enka Karaoke (트로트 Karaoke 반주), Pt. 01
K-Pop Karaoke/Instrumental (가요 MR반주) ,Pt. 91
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 94
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 92
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 93
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 95
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 96
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 102
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 101
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 98
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 99
가요 MR반주 - K-Pop Karaoke Instrumental, Pt. 97
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 100
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 110
가요 MR반주 (K-Pop Karaoke Instrumentals), Pt. 109
가요 MR반주 (K-Pop Karaoke Instrumental), Pt. 104
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 108
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 107
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 106
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 105
K-Pop Karaoke/Instrumental (가요 MR반주), Pt. 103
K-Pop Karaoke (최신가요 Karaoke 반주), Vol. 23
K-Pop Karaoke (최신가요 Karaoke 반주), Vol. 25
K-Pop Karaoke 2012 (최신가요 Karaoke 반주), Pt. 03
아직 사랑한다 (I Still Love You) - CN BLUE [K-Pop Karaoke Key Transpose]
K-Pop Karaoke Key Transpose: 곰인형 (Teddy Bear) - Lyn
K-Pop Karaoke2012 (최신가요 Karaoke 반주), Pt. 5
K-Pop Key Transpose Karaoke: After a Long Time (한참 지나서) - Baek Ji Young [K-Pop Karaoke Key Transpose]
K-Pop Karaoke Key Transpose: Day By Day (하루하루) - Ji Yeon
K-Pop Karaoke Key Transpose: I Only Think of You (너만 생각나) - Jang Na-Ra
K-Pop Karaoke Key Transpose: 벚꽃 엔딩 (Cherry Blossom Ending) - Busker Busker
K-Pop Karaoke Key Transpose - The Person That Loved You (나를 사랑했던 사람아)
K-Pop Karaoke Key Transpose: 100% - In the Style of MBLAQ
K-Pop Karaoke Key Transpose: Because of You (너 때문에) - JEA
K-Pop Key Transpose Karaoke: Wait and Be Ready (기다려 그리고 준비해) - Brave Guys
K-Pop Karaoke Key Transpose: Love Day - Yang Yo Seob
K-Pop Karaoke Key Transpose: Ideal Type 이상형 - Busker Busker
K-Pop Karaoke Key Transpose - You Were Mine (내꺼였는데)
K-Pop Karaoke Key Transpose - Strange (이상하다)
K-Pop Karaoke Key Transpose - Missing You Like Crazy (미치게 보고싶은)
K-Pop Karaoke Key Transpose - For You Not to Know (너만은 모르길)
K-Pop Karaoke Key Transpose: Alone (나혼자) - Sistar
K-Pop Key Transpose Karaoke: The Day Before (그리고 남겨진 것들) - Nell
K-Pop Karaoke Key Transpose: People These Days (요즘 사람들) - Gummy & Bobby Kim
K-Pop Karaoke Key Transpose: 사랑을 몰랐나봐 (Guess I Didn't Know Love) - Piggy Dolls
K-Pop Karaoke 2012 (최신가요 Karaoke 반주), Pt. 07
K-Pop Karaoke Key Transpose: Hey You - CNBLUE
K-Pop Karaoke 2012 (최신가요 Karaoke 반주), Pt. 08
K-Pop Karaoke Key Transpose - 그대니까요 (Because It's You) - Tiffany
K-Pop Karaoke Key Transpose - Two Mari (두 마리)
K-Pop Karaoke Key Transpose - Missing You (그리워져)
K-Pop Karaoke Key Transpose - Greatest Love (최고의 사랑)
K-Pop Karaoke Key Transpose - Princess and Prince Charming (백마는 오고있는가)
K-Pop Karaoke Key Transpose - Someone Else (다른 사람 품에 안겨서)
K-Pop Karaoke Key Transpose - Baby I’m Sorry
K-Pop Karaoke Key Transpose - The Flowers (꽃송이가)
K-Pop Karaoke Key Transpose - Torn Heart (찢긴가슴)
K-Pop Karaoke Key Transpose - Yeosu Night Sea (여수 밤바다)
K-Pop Karaoke Key Transpose - First Love (첫사랑)
K-Pop Karaoke Key Transpose - Leaving (떠나간다)
K-Pop Karaoke Key Transpose - Love Is All The Same (사랑은 다 그런거래요)
K-Pop Karaoke Key Transpose - Love Is Crying (사랑이 운다)
K-Pop Karaoke Key Transpose - Oh! My God
K-Pop Karaoke Key Transpose - Parting Is All The Same (이별은 다 그런 거래요)
K-Pop Karaoke Key Transpose - Tease Me (밀고 당겨줘)
K-Pop Karaoke Key Transpose – Peace (복숭아)
K-Pop Karaoke Key Transpose – You're the One (너뿐이야)
K-Pop Karaoke Key Transpose – Voice (목소리)
K-Pop Karaoke Key Transpose - Stupid (바보)
K-Pop Karaoke Key Transpose - Little Too Far Away from Me (조금씩멀어지네요)
K-Pop Karaoke Key Transpose - Falling Slowly
K-Pop Karaoke Key Transpose - Hwang Jin Yi (황진이)
K-Pop Karaoke Key Transpose - I Will Wait for You (기다릴게요)
K-Pop Karaoke Key Transpose - Mama Do (Uh Oh, Uh Oh)
K-Pop Karaoke Key Transpose - Rolling in the Deep
K-Pop Karaoke Key Transpose - Someone Like You
K-Pop Karaoke Key Transpose - Take a Bow
K-Pop Karaoke Key Transpose - Coincidence (우연히)
K-Pop Karaoke Key Transpose - Gangnam Style
K-Pop Karaoke Key Transpose - Beautiful Night
K-Pop Karaoke Key Transpose - What Should Have Been
K-Pop Karaoke Key Transpose - Passionate Goodbye
K-Pop Karaoke Key Transpose – My Love (내 사랑아)
K-Pop Karaoke Key Transpose – Love and Love (사랑아 또 사랑아)
K-Pop Karaoke Key Transpose – Just the Way We Love (우리 사랑 이대로)
K-Pop Karaoke Key Transpose – All For You
K-Pop Karaoke Key Transpose - Hate You (니가싫어)
K-Pop Karaoke Key Transpose (Bad Man) (나쁜사람)
K-Pop Karaoke Key Transpose (Passing by) (스쳐간다)
K-Pop Karaoke Key Transpose (Return) (되돌리다)
K-Pop Karaoke Key Transpose (Scarecrow) (허수아비)
K-Pop Karaoke Key Transpose (Tried To Walk) (걸어본다)
K-Pop Karaoke Key Transpose (Life As a Floating Weed) (부초같은 인생)
K-Pop Karaoke Key Transpose (First Marriage) (초혼)
K-Pop Karaoke Key Transpose (Don't Cross Your Leg) (다리꼬지마)
K-Pop Karaoke Key Transpose - You Are Attractive (매력있어)
K-Pop Karaoke Key Transpose - Because It's Christmas
K-Pop Karaoke Key Transpose (Reminds of You)
K-Pop Karaoke Key Transpose (For a year)
K-Pop Karaoke Key Transpose (Daddy Long Legs)
K-Pop Karaoke Key Transpose - Goodbye To Romance
K-Pop Karaoke Key Transpose (A Year Ago) (일년전에)
K-Pop Karaoke Key Transpose (I Hate It) (싫다)
K-Pop Karaoke Key Transpose (Did You Forget Everything) (다 잊었니)
K-Pop Karaoke Key Transpose (Cleaning Drawers) (서랍정리)
K-Pop Karaoke Key Transpose (Let's Hug) (안아보자)
K-Pop Karaoke Key Transpose (Love Like This) (사랑은 이렇게)
K-Pop Karaoke Key Transpose (Love 911) (반창꼬)
K-Pop Karaoke Key Transpose (I Got a Boy)
K-Pop Karaoke Key Transpose (Good Start) (시작이 좋아)
K-Pop Karaoke Key Transpose (Grasshopper World) (메뚜기월드)
K-Pop Karaoke Key Transpose (Gangbuk Fancy Pants) (강북멋쟁이)