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 0x6dffa8f0f797fffb48195b942c81ad53cfd4e94b49dd23de07247215c75f23cb. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c89385cc-362f-405c-8406-ea70870c06ad.json and https://artists.proofprofile.net/proofs/artist/c89385cc-362f-405c-8406-ea70870c06ad.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 0xe8f4814dda998ed30ed8446a2fb0917683325d0775f180f87ff190a914fe7654. 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/47l9hwBmljgWXyX4UsGBIv.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/47l9hwBmljgWXyX4UsGBIv.
Big up Realmans〜introduction〜 - 00.6.12 渋谷QUATTRO うずTour-Extra
Siva 1999〜ZEUS 2000 - 00.6.12 渋谷QUATTRO うずTour-Extra
Parteechecka〜今すぐ欲しい - 00.6.12 渋谷QUATTRO うずTour-Extra
いとしさの中で - 00.6.12 渋谷QUATTRO うずTour-Extra
REAL LOVE - 00.6.12 渋谷QUATTRO うずTour-Extra
Dopewire from mothership - 00.6.12 渋谷QUATTRO うずTour-Extra
Smelles Like Teen Spirit - 00.6.12 渋谷QUATTRO うずTour-Extra
Gin&Lime - 99.9.8 ZEPP OSAKA Live Junction Vol. 2
Ho-oh 〜女神のうた〜 - 00.6.12 渋谷QUATTRO うずTour-Extra
Dancehall Checker 〜sugar soul live mix〜 - 00.6.12 渋谷QUATTRO うずTour-Extra
no-no-no - 00.6.12 渋谷QUATTRO うずTour-Extra
don't let go - 00.6.12 渋谷QUATTRO うずTour-Extra
Yes,We Can Can - 99.9.8 ZEPP OSAKA Live Junction Vol. 2
s.u.g.a.r.s.o.u.l - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
いいよ - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
カリスマ - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
Siva 1999 - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
no-no-no - 11th Nov. 2000 <THE TOHO UNIVERCITY>
ADULT STORY - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
Sauce - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
Ho-oh 〜女神のうた〜 - 2nd Nov. 2000 <TOYO EIWA JOGAKUIN>
Garden - 2nd Nov. 2000 <TOYO EIWA JOGAKUIN>
resepectyourself - 2nd Nov. 2000 <TOYO EIWA JOGAKUIN>
悲しみの花に - 18th Nov. 2000 <THE INTERNATIONAL UNIVERCITY OF KAGOSHIMA>
カリスマ - TSUTCHIE Remix feat. KASHI DA HANDSOME
Back for free、do the freak - Classic Mix
Ho-oh〜女神のうた〜 by GENTA with JIVE JAMBOREE
{"copyright_id":"0xcf2bc46de7a7ec4608eb0f12d38d74003313bcf1bc8b943686888e605726efff","isrc":"JPWP01870967","name":"いとしさの中で - Remastered","registered_at":"2026-06-29T08:02:35Z","spotify_id":"7KqU3Ffr1vJZ2EuKOdqfHx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf2bc46de7a7ec4608eb0f12d38d74003313bcf1bc8b943686888e605726efff. 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/7KqU3Ffr1vJZ2EuKOdqfHx.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/7KqU3Ffr1vJZ2EuKOdqfHx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4bd5e7cf3c1a0fd5685c3372831b7026d180d2bbdaff5150bdd0eb9a933b7de. 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/1hYdmKqbzbV89vETADjVrh.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/1hYdmKqbzbV89vETADjVrh.