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 0x4da2b901699c61f772d00fe2f17d88fcf39f5fc7970f4936bc76adb9e4697173. 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/dca4cdba-c099-4222-b62b-8dfa528043ca.json and https://artists.proofprofile.net/proofs/artist/dca4cdba-c099-4222-b62b-8dfa528043ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
일곱 번째 감각 The 7th Sense (Sung by TAEYONG, MARK, JAEHYUN, DOYOUNG, TEN)
WITHOUT YOU (Sung by JAEHYUN, DOYOUNG, TAEIL)
WITHOUT YOU (Sung by KUN, JAEHYUN, DOYOUNG, TAEIL) - Chinese Version
텐데...Timeless (Sung by JAEHYUN, DOYOUNG, TAEIL)
텐데...Timeless (Sung by JAEHYUN, DOYOUNG, TAEIL) - Instrumental
Radio Romance (Sung by TAEIL, DOYOUNG) Inst. (Instrumental)
When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
The Tale Of Nokdu (Original Television Soundtrack), Pt. 1
The Tale Of Nokdu 조선로코 - 녹두전 (Original Television Soundtrack), Pt. 1
Coming Home (Sung by TAEIL, DOYOUNG, JAEHYUN, HAECHAN)
Coming Home (Sung by TAEIL, DOYOUNG, JAEHYUN, HAECHAN) - Instrumental
Maniac (Sung by DOYOUNG, HAECHAN) (Prod. RYAN JHUN)
coNEXTion (Age of Light) - SM STATION : NCT LAB
Baggy Jeans (KIM MINCHEOL & HAYATE Remix)
Baggy Jeans - KIM MINCHEOL & HAYATE Remix
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 0x031414f5f80d8e3044c02e9496098928b26a4bdfc39d1116767f3fe1673a2fdb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fR9cyHIKckUDwuy3m5tKn.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/3fR9cyHIKckUDwuy3m5tKn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1ad501b9c87fb4680d77119ebc1c796fb4b37c27aca64bccbd460c0568c78b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50JAz53jf3WN0L68Q0UB1i.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/50JAz53jf3WN0L68Q0UB1i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fde0b2f52e460c8e44a1e1d8748f15e24517c20bf03e1f79a357e4dc97112eb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CenEp6o0RDrWwe38VFvaB.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/6CenEp6o0RDrWwe38VFvaB.
{"copyright_id":"0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d","isrc":"KRA302300284","name":"Interlude: Oasis","registered_at":"2026-06-05T20:42:10Z","spotify_id":"1T9vJo1IkbhopAo9nojNkM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d. 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/1T9vJo1IkbhopAo9nojNkM.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/1T9vJo1IkbhopAo9nojNkM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e9ce0ce78355189ffd838f44426a88ac95a083e47f107c36a04958493503b7. 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/1VMbcqhglWyMmwCD8yoqxv.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/1VMbcqhglWyMmwCD8yoqxv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2994227989ff360f72ff52f908c9c80c7d1f33221e4b5bd978cf867654d64647. 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/3LWwtrxV7tXpeaJog7nYlu.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/3LWwtrxV7tXpeaJog7nYlu.
{"copyright_id":"0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603","isrc":"KRA302300287","name":"That's Not Fair","registered_at":"2026-06-05T11:41:19Z","spotify_id":"4FNSuSWVzboxJsjO0T3Tit","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FNSuSWVzboxJsjO0T3Tit.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/4FNSuSWVzboxJsjO0T3Tit.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6803afad504a31a45b49128a9db6bbcc34652cd3f0133e143c2b2c63040af7f5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gH5iHTqC7thYwUFFbAkzN.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/2gH5iHTqC7thYwUFFbAkzN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3686f343ac84d2446eb802d371f733f07d901833a3025ec5a363e75417b05c7b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/03PyOccCB9KCbGWXJNshVa.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/03PyOccCB9KCbGWXJNshVa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb1d9863937f495838e9d505bbedc144b4959bfefb1356d120fc42b91fd4d3f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1qExTKTJfeYGNkSy2kl3Ak.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/1qExTKTJfeYGNkSy2kl3Ak.
{"copyright_id":"0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9","isrc":"KRA302100380","name":"Universe (Let's Play Ball)","registered_at":"2026-06-04T15:22:12Z","spotify_id":"5Uy5zCjHo0NEg9GNW1LSZn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Uy5zCjHo0NEg9GNW1LSZn.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/5Uy5zCjHo0NEg9GNW1LSZn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6e8cdae7dc20cecc75a38425fd55f39527dbad5035f29f9b344ad7bb004c52. 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/58mfBDcqsmFuP4ywJ5AuWx.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/58mfBDcqsmFuP4ywJ5AuWx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99d07e8066945d587dc739cb214e43b7a92ad6533a0994d3e02e6096460bbfa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19iOU7GBhuh7fq6jqT4s2T.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/19iOU7GBhuh7fq6jqT4s2T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a154a0a57ad2dc2c58880a31496d0bdf6cae482128c5f45df8c3b16bb096e8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/526vCRi4Wy6EGEX6Re9vXP.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/526vCRi4Wy6EGEX6Re9vXP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138baa5f15694a149cbcb929b200b963338a41bd0d8c7257cbfec25da33fa717. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7m83eIaTZPfaEo3A0imGKP.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/7m83eIaTZPfaEo3A0imGKP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837bd39ef91fa66a55aaba07f71a8b0ea526ed3569741d8b7ce8bbb5926e4a67. 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/7AXsppXxQ0HHOA7IqWw85y.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/7AXsppXxQ0HHOA7IqWw85y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461e87ae0fc871f6715abcd28249d53c9c4862b9c5766574889cec56ada98d58. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Ji8aniOOqBnhk53lWWJ2W.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/3Ji8aniOOqBnhk53lWWJ2W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd21a25e84881efdcd4c3fd53bb32b69c108797f0830d3b2a3333ebdb51c1691. 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/5DOrvstSvBz8Udn4jOntgq.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/5DOrvstSvBz8Udn4jOntgq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa4ae44b42c5c329095de496d918cebfe695764d7a9e218827ab6bcbb3dad95. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0B36SbjfDv15ji1bQEEeTN.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/0B36SbjfDv15ji1bQEEeTN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x695e9724c9baba7d7b333e69e1d3a09c98310d091ebe40764ee7c7aa77cd7b0b. 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/0eg5tx2WEHiCRGC028oOqD.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/0eg5tx2WEHiCRGC028oOqD.