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 0xdb084bfb7b23f37ba15b411a2c2567d3b18a7c4ad1915b917f16da7cd2aa3d37. 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/35bfd2b6-a301-4e50-855a-89c2350d04a7.json and https://artists.proofprofile.net/proofs/artist/35bfd2b6-a301-4e50-855a-89c2350d04a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x96cedbc4e8d7e120ae2e20e28f3b0c19cfc8ed175308e8a8690c91741c008093. 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/0OGP0oE9f0TVu4RiLQIRmZ.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/0OGP0oE9f0TVu4RiLQIRmZ.
{"copyright_id":"0xcb2046ab89c192a01a5a1f39c9d79ef57cda9300fd38db1bf090a899c2465d71","isrc":"JPVI01822071","name":"Sweet and Sour","registered_at":"2026-06-29T06:42:07Z","spotify_id":"6s3NAKInkmBr9odaLMOqL3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2046ab89c192a01a5a1f39c9d79ef57cda9300fd38db1bf090a899c2465d71. 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/6s3NAKInkmBr9odaLMOqL3.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/6s3NAKInkmBr9odaLMOqL3.
It's Who We Are (Live at Saitama Super Arena 2019/12/01)
VOICE (Live at Saitama Super Arena 2019/12/01)
Intro (Live at Saitama Super Arena 2019/12/01)
Rock Me Now (Live at Saitama Super Arena 2019/12/01)
Zero Gravity (Live at Saitama Super Arena 2019/12/01)
Focus On Me (Live at Saitama Super Arena 2019/12/01)
Lipstick (Live at Saitama Super Arena 2019/12/01)
ain't on the map yet (Live at Saitama Super Arena 2019/12/01)
SESSION (Live at Saitama Super Arena 2019/12/01)
NEW ERA (Live at Saitama Super Arena 2019/12/01)
Kiss Me (Live at Saitama Super Arena 2019/12/01)
Sweet and Sour (Live at Saitama Super Arena 2019/12/01)
Kiss You Back (Live at Saitama Super Arena 2019/12/01)
Ordinary (Live at Saitama Super Arena 2019/12/01)
Follow Me (Live at Saitama Super Arena 2019/12/01)
Look Up (Live at Saitama Super Arena 2019/12/01)
Almost There (Live at Saitama Super Arena 2019/12/01)
Silent Wonderland (Live at Saitama Super Arena 2019/12/01)
Lost Game (Live at Saitama Super Arena 2019/12/01)
Get Ready (Live at Saitama Super Arena 2019/12/01)
Twilight (Live at Saitama Super Arena 2019/12/01)
Super Sonic (Live at Saitama Super Arena 2019/12/01)
Stop Us Dreaming (Live at Saitama Super Arena 2019/12/01)
ASH feat. Vaundy （n-buna from ヨルシカ Remix）
ASH feat. Vaundy (n-buna from YORUSHIKA Remix)
{"copyright_id":"0x3e5a322422d55ed811f32c081bdaa424c03da6acaeb6d2b3ae6d2b9c68cef6ea","isrc":"JPVI02002329","name":"ASH feat. Vaundy (n-buna from YORUSHIKA Remix)","registered_at":"2026-06-28T23:44:03Z","spotify_id":"3KU2hfRNKZxVyVw2saAuWq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5a322422d55ed811f32c081bdaa424c03da6acaeb6d2b3ae6d2b9c68cef6ea. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KU2hfRNKZxVyVw2saAuWq.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/3KU2hfRNKZxVyVw2saAuWq.
ASH feat. Vaundy（n-buna from ヨルシカ Remix）
It's Who We Are (CraftBeatz Remix) feat. 唾奇
Sweet and Sour (BACHLOGIC Remix) feat. AKLO
{"copyright_id":"0x3e5a322422d55ed811f32c081bdaa424c03da6acaeb6d2b3ae6d2b9c68cef6ea","isrc":"JPVI02002329","name":"ASH feat. Vaundy (n-buna from YORUSHIKA Remix)","registered_at":"2026-06-28T23:44:03Z","spotify_id":"1xmGzkLLW5P7utET6gxHaq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5a322422d55ed811f32c081bdaa424c03da6acaeb6d2b3ae6d2b9c68cef6ea. 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/1xmGzkLLW5P7utET6gxHaq.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/1xmGzkLLW5P7utET6gxHaq.
It's Who We Are (CraftBeatz Remix) feat. Tsubaki
{"copyright_id":"0x9da3477f47b6a94b5ca819811ed6b0618732f69c0cb595f0d7b6196d517af0f4","isrc":"JPVI02100710","name":"A New Day feat. Phum Viphurit","registered_at":"2026-06-21T04:39:38Z","spotify_id":"0kCTvvcyRvRX5AG76qUUtd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da3477f47b6a94b5ca819811ed6b0618732f69c0cb595f0d7b6196d517af0f4. 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/0kCTvvcyRvRX5AG76qUUtd.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/0kCTvvcyRvRX5AG76qUUtd.
A New Day feat. Phum Viphurit (天蚕糸風呂 Remix)
A New Day feat. Phum Viphurit (THAAANX BRO Remix)
{"copyright_id":"0x26e9586c64615fa609c83cf6df5b729b985ca01e9bde13b7c8a0bfc32b4d1a1f","isrc":"JPVI02302772","name":"DAY feat. PUNPEE","registered_at":"2026-06-29T01:33:44Z","spotify_id":"2SnYJgNCLeLmYqLBDn4PVx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e9586c64615fa609c83cf6df5b729b985ca01e9bde13b7c8a0bfc32b4d1a1f. 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/2SnYJgNCLeLmYqLBDn4PVx.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/2SnYJgNCLeLmYqLBDn4PVx.
{"copyright_id":"0x26e9586c64615fa609c83cf6df5b729b985ca01e9bde13b7c8a0bfc32b4d1a1f","isrc":"JPVI02302772","name":"DAY feat. PUNPEE","registered_at":"2026-06-29T01:33:44Z","spotify_id":"0bfixHMpuPeLFD9DrgiMM5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e9586c64615fa609c83cf6df5b729b985ca01e9bde13b7c8a0bfc32b4d1a1f. 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/0bfixHMpuPeLFD9DrgiMM5.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/0bfixHMpuPeLFD9DrgiMM5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da63abf4ef552ead45329ed112ba1feafc9a3198b24e314eff4448379c878b4. 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/5NCL8tzDw56FyB6ip8TVz5.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/5NCL8tzDw56FyB6ip8TVz5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dd7e914417014c0456a2cb48b133ee33d6a55c0b838f0962ebaf023e8ac720f. 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/5Nc1i72ROjI6zvZ2EZFZm0.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/5Nc1i72ROjI6zvZ2EZFZm0.
Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN
Intro (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
TOKYO (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Stop Us Dreaming (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
NEW ERA (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Handcuffed (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Backyard Party (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Lucky (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
SMILE (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Cigarette Butt (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Spread Butter On My Bread (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
JUICE (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
In Your Pocket (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Super Sonic (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
STEP IT (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Liberation (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Zero Gravity (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Follow Me (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
VOICE (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
It's All For Us (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Floatin' (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
It's Who We Are (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Kiss You Back (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
A Roller Skating Tour (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Almost There (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Skyline (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Sweet and Sour (Live in "CLOSE A CHAPTER" at NIPPON BUDOKAN)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc6052973812dade22214996ba4e8e618a6b4fa204c220f63c7e89166731fd3. 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/1i6TtjsNCHKz5KJlCm14Cn.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/1i6TtjsNCHKz5KJlCm14Cn.