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 0x188910a60bc14abe51d9c8854da86f1f5cf611090c72837b209540ddbb7a1957. 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/6a834bb6-3ed8-444e-af7d-4e9fde000208.json and https://artists.proofprofile.net/proofs/artist/6a834bb6-3ed8-444e-af7d-4e9fde000208.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb8c99afdb1e9a8db640311325928c7cc2d5dfcec3b6eca635a65532b983cab54","isrc":"JPSR08915010","name":"You were mine","registered_at":"2026-06-29T05:36:51Z","spotify_id":"7dbwSqghnGJgvxcIDZOBrZ","type":"track"}
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 0xb8c99afdb1e9a8db640311325928c7cc2d5dfcec3b6eca635a65532b983cab54. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dbwSqghnGJgvxcIDZOBrZ.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/7dbwSqghnGJgvxcIDZOBrZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfac267cdf7f214843447e453b734b2b9c01911dbd4067ef9f20119da4b45fed1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4O4rs1nlYF47fPikfPVrNM.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/4O4rs1nlYF47fPikfPVrNM.
ふたりのオルケスタ (オリジナル・カラオケ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef154ba4710745950a0443969f09978ff633b54da3c10dd7e09d8091b2654f0. 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/6IUO2iY6s37lS2h6Q0Rn0k.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/6IUO2iY6s37lS2h6Q0Rn0k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac9914845c2ffd93812c9e4f2473cf1ee83be017cd09e6f190e5a41e4680a15. 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/3Xex32DRf5P9Kq8ZfV4oY6.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/3Xex32DRf5P9Kq8ZfV4oY6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c9cc93b8a5ead2c8620391e2fc20db95910f33f761eafa7c1d192aa35d4636. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4kiFo0WwN866qlIGpPG8Rq.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/4kiFo0WwN866qlIGpPG8Rq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64146f1ed5cae43ab5d0721718e95493586d5e891a7f8b544cc736f18b25d374. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nliqmNRtqSaGzYdKJvvax.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/7nliqmNRtqSaGzYdKJvvax.
Indigo Waltz '93 (DEDICATE TO MICHAEL C.HOFFMAN)
{"copyright_id":"0x15fbe1a9d00be16cc30c960adce0275043f8934680f37592ea02611066d4a1a4","isrc":"JPSR09314260","name":"Indigo Waltz '93 (DEDICATE TO MICHAEL C.HOFFMAN)","registered_at":"2026-06-25T21:53:16Z","spotify_id":"0zYeSQ4QPhcXEgTzkgNNN1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fbe1a9d00be16cc30c960adce0275043f8934680f37592ea02611066d4a1a4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zYeSQ4QPhcXEgTzkgNNN1.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/0zYeSQ4QPhcXEgTzkgNNN1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829fdbfcd9020c7995a4fa6bcd75ceeb9d6e157ef6cb197ca2432dce12639224. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3yU5O7II7CEV07MdPz61Jh.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/3yU5O7II7CEV07MdPz61Jh.
夜に抱かれて 〜A Night in Afro Blue〜（オリジナル・カラオケ）
虹のグランドスラム（オリジナル・カラオケ）
{"copyright_id":"0x21fe89988c02fbbc6a2c9b72f75060c3f14c522f42eba4a09ee5f04b80d17c61","isrc":"JPSR09500716","name":"虹のグランド スラム","registered_at":"2026-06-29T05:35:05Z","spotify_id":"2ucd7cPSAkPUmDASawRy4r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21fe89988c02fbbc6a2c9b72f75060c3f14c522f42eba4a09ee5f04b80d17c61. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ucd7cPSAkPUmDASawRy4r.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/2ucd7cPSAkPUmDASawRy4r.
LA･LA･LA LOVE SONG ～Midnight Piano Version
Love Reborn (KC'S“WHAT'CHA GONNA DO ?”REMIX)
the Sound of Carnival (SOUL BOSSA TRIO REMIX '99)
the Sound of Carnival (Original Karaoke)
Messengers' Rhyme ／ No Lights... Candle Light
Messengers' Rhyme ～Rakushow, it's your Show!～
Messengers' Rhyme ～Rakushow, it's your Show!～ (Original Karaoke)
No Lights... Candle Light (Original Karaoke)
Always Remain (Soul Bossa Trio "Simply Bossa" Remix)
Candy Rain(Instrumental-DETERMINATIONS version-)
Respect (this & that) ～Extended Funky Jam Version～
THE BADDEST 〜Only for lovers in the mood
No Light･･･Candle Light (United Groove Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4a4d549c8358ace180ed857e57d6a6a54f5931f0ab4851d940014619ecb1c7. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jEG1KLczgZfdFvr6EdXOZ.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/6jEG1KLczgZfdFvr6EdXOZ.
Messengers' Rhyme ～Rakushow, it's your show!～ (THE BADDEST BOTTOM MIX)
Our Christmas (surrounded by TK/karaoke)
a Love Story 〜Dancing with the Universe Mix〜
{"copyright_id":"0x91c1da8c3577cf88be3d0d78f0c95b5cc8fd18c009a4a788a50701cf5e2df4f2","isrc":"JPSR00900921","name":"Soul Mate ～君がいるから～","registered_at":"2026-06-24T09:16:38Z","spotify_id":"5DJZ3e2Qpy8NfFB1EjQrfe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c1da8c3577cf88be3d0d78f0c95b5cc8fd18c009a4a788a50701cf5e2df4f2. 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/5DJZ3e2Qpy8NfFB1EjQrfe.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/5DJZ3e2Qpy8NfFB1EjQrfe.
{"copyright_id":"0x858b59b9fe523b8d948503bd9faacd97367aba87aff0222a20acd63608bfa424","isrc":"JPSR00800021","name":"FLYING EASY LOVING CRAZY","registered_at":"2026-06-11T05:08:45Z","spotify_id":"0hRnL53DqW4MckRxzU4NIe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858b59b9fe523b8d948503bd9faacd97367aba87aff0222a20acd63608bfa424. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0hRnL53DqW4MckRxzU4NIe.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/0hRnL53DqW4MckRxzU4NIe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cde4cc5f8cb503808b73f686b00541431860e3ba975ba39bd69e64a7258f22a. 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/4uXc4TVTlc3AKdMQCjVIFU.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/4uXc4TVTlc3AKdMQCjVIFU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8002407c5c1dc17dc7baf30ec1b7ef01ecd335f06ad5e1198cbc1b789b496f2d. 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/0wdtm1ig03jgykBtBLkzDu.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/0wdtm1ig03jgykBtBLkzDu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e3aefc1ed993b386a79b26a1bbbbbb18ae4915271146130e4573f8a1cc2196. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KufUTSBXiTIn9L2dnjVsB.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/5KufUTSBXiTIn9L2dnjVsB.
Moondust poetry reading by Kyoko Koizumi
流れ星と恋の雨 ～毎度オブリガート ver.～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef154ba4710745950a0443969f09978ff633b54da3c10dd7e09d8091b2654f0. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02xOScIMvnC7yJj2pwUQIi.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/02xOScIMvnC7yJj2pwUQIi.
{"copyright_id":"0x21fe89988c02fbbc6a2c9b72f75060c3f14c522f42eba4a09ee5f04b80d17c61","isrc":"JPSR09500716","name":"虹のグランド スラム","registered_at":"2026-06-29T05:35:05Z","spotify_id":"5YGkCrq2TWTuWIUEVhIZV3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21fe89988c02fbbc6a2c9b72f75060c3f14c522f42eba4a09ee5f04b80d17c61. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YGkCrq2TWTuWIUEVhIZV3.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/5YGkCrq2TWTuWIUEVhIZV3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829fdbfcd9020c7995a4fa6bcd75ceeb9d6e157ef6cb197ca2432dce12639224. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KGMg3T3y9VBgT9w4q1aGE.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/3KGMg3T3y9VBgT9w4q1aGE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a21a2953122a17826b77a1f1381e7df85889ad31952ebaa1fdcb0f5fc62a0a8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0OYt2q3wN872p72HlTzO1P.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/0OYt2q3wN872p72HlTzO1P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cde4cc5f8cb503808b73f686b00541431860e3ba975ba39bd69e64a7258f22a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3enwGubL2p6vdriubuq7gZ.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/3enwGubL2p6vdriubuq7gZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8002407c5c1dc17dc7baf30ec1b7ef01ecd335f06ad5e1198cbc1b789b496f2d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Qy3LhIQXowf79YhOd7QuZ.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/0Qy3LhIQXowf79YhOd7QuZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd729abc610fd03c178983a66eee123408f8f1d77cce421d288efb80ea50a7476. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Bt5F967Ej1fbTk0hI12rW.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/6Bt5F967Ej1fbTk0hI12rW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4a4d549c8358ace180ed857e57d6a6a54f5931f0ab4851d940014619ecb1c7. 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/7HYfg9IgJFYDSkdtr0kcCE.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/7HYfg9IgJFYDSkdtr0kcCE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe695d768e090edce7faaba4db0eed205a1a834f002e35c76b707f06b1392a919. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4iTsYJvbzRKheVTfBktfPZ.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/4iTsYJvbzRKheVTfBktfPZ.
{"copyright_id":"0xf10b9c0b7c3d10799394fc80aaa09d8c5584334e0bb005752297c7d016dda8bb","isrc":"USSM10010218","name":"NEVER TURN BACK (feat. PRAS)","registered_at":"2026-06-25T19:17:20Z","spotify_id":"6wwPmfuNdrkANPNAinBeiY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10b9c0b7c3d10799394fc80aaa09d8c5584334e0bb005752297c7d016dda8bb. 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/6wwPmfuNdrkANPNAinBeiY.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/6wwPmfuNdrkANPNAinBeiY.
{"copyright_id":"0x858b59b9fe523b8d948503bd9faacd97367aba87aff0222a20acd63608bfa424","isrc":"JPSR00800021","name":"FLYING EASY LOVING CRAZY","registered_at":"2026-06-11T05:08:45Z","spotify_id":"38KGK05EIdQZTH5bFgn9zI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858b59b9fe523b8d948503bd9faacd97367aba87aff0222a20acd63608bfa424. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38KGK05EIdQZTH5bFgn9zI.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/38KGK05EIdQZTH5bFgn9zI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad05415884f68d281292933e4fa13fc863437a73b1d45d37d28c01538800359. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WT3FyJw3BoP6L1gjRlHgn.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/5WT3FyJw3BoP6L1gjRlHgn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x145d4788d942a7a36fed20c3872cbb69155c048c3da9c355ab79a7494b5c3307. 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/66dmBMYB39m3TLwDsFEO3u.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/66dmBMYB39m3TLwDsFEO3u.
{"copyright_id":"0x2ccb6def2722af6faf98eed741e3a6987713c7b1c92dead76c08424cec0465a9","isrc":"JPSR09501450","name":"Just The Two Of Us","registered_at":"2026-06-19T08:34:42Z","spotify_id":"1HQGPNLDMFyWNCuTALpmY0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ccb6def2722af6faf98eed741e3a6987713c7b1c92dead76c08424cec0465a9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HQGPNLDMFyWNCuTALpmY0.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/1HQGPNLDMFyWNCuTALpmY0.
SOUL BANGIN'〜B.LEAGUE EARLY CUP VERSION〜 (LIVE 2017)
SUKIYAKI〜Ue wo muite arukou〜 (LIVE 2017)
SOUL BANGIN'〜B.LEAGUE EARLY CUP 2017 Version〜
SOUL BANGIN'〜B.LEAGUE EARLY CUP 2017 Version〜 （instrumental）
Missing (TOSHINOBU KUBOTA CONCERT TOUR '96“Oyeees!”)
Missing - TOSHINOBU KUBOTA CONCERT TOUR '96“Oyeees!”
{"copyright_id":"0xae4a4d549c8358ace180ed857e57d6a6a54f5931f0ab4851d940014619ecb1c7","isrc":"JPSR09600556","name":"LA･LA･LA LOVE SONG","registered_at":"2026-06-18T13:38:40Z","spotify_id":"02YYIhcnIdYcAtRafFSqOU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4a4d549c8358ace180ed857e57d6a6a54f5931f0ab4851d940014619ecb1c7. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02YYIhcnIdYcAtRafFSqOU.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/02YYIhcnIdYcAtRafFSqOU.
{"copyright_id":"0x15fbe1a9d00be16cc30c960adce0275043f8934680f37592ea02611066d4a1a4","isrc":"JPSR09314260","name":"Indigo Waltz '93 (DEDICATE TO MICHAEL C.HOFFMAN)","registered_at":"2026-06-25T21:53:16Z","spotify_id":"1v6yDDGGUWGXeVDfR9CmjA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fbe1a9d00be16cc30c960adce0275043f8934680f37592ea02611066d4a1a4. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1v6yDDGGUWGXeVDfR9CmjA.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/1v6yDDGGUWGXeVDfR9CmjA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad05415884f68d281292933e4fa13fc863437a73b1d45d37d28c01538800359. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1vAwTZcULLJIg1biw3b9ch.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/1vAwTZcULLJIg1biw3b9ch.