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 0xb36bf17bacbd65042eedd2aaca304a13d7aa589edfcec88533514b0cd04250b8. 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/ffe2bd63-4971-4d13-b5c7-cb001f1392ef.json and https://artists.proofprofile.net/proofs/artist/ffe2bd63-4971-4d13-b5c7-cb001f1392ef.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 0x214aff741ceaea245e94f99c4829188a57181dc527724e85a04706a1f4246668. 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/6WfOWDEjeQuh4Nnolpxf1s.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/6WfOWDEjeQuh4Nnolpxf1s.
キミがいたしるし (James Landino Remix) - SACRA BEATS Singles
{"copyright_id":"0x49a1a3f8445a363f216dc8e2dc1c4faf935eb293a9a1355c130bed84939b8556","isrc":"JPU902101296","name":"キミがいたしるし (James Landino Remix) - SACRA BEATS Singles","registered_at":"2026-06-26T20:39:33Z","spotify_id":"1gzZxlBU0aqrfoqTuGUHgx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a1a3f8445a363f216dc8e2dc1c4faf935eb293a9a1355c130bed84939b8556. 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/1gzZxlBU0aqrfoqTuGUHgx.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/1gzZxlBU0aqrfoqTuGUHgx.
誰彼スクランブル / あれこれドラスティック (Complete Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c4123cb4cc2b3f8bb6618e9dc9e1370f98e83a049f497b84525d5701128fa3. 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/6z0pxrmFR4PmAcOXsO5W8y.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/6z0pxrmFR4PmAcOXsO5W8y.
halca first tour 2023 “nolca solca culca” Live ＠Spotify O-WEST
時としてバイオレンス -nolca solca culca Live ver.-
FIRST DROP -nolca solca culca Live ver.-
Fuzzy Rain -nolca solca culca Live ver.-
あれこれドラスティック -nolca solca culca Live ver.-
one another -nolca solca culca Live ver.-
weather through -nolca solca culca Live ver.-
なんで？なんで？なんで？ -nolca solca culca Live ver.-
告白バンジージャンプ -nolca solca culca Live ver.-
ロマンティックマニフェスト -nolca solca culca Live ver.-
センチメンタルクライシス -nolca solca culca Live ver.-
BUZZER BEATER -nolca solca culca Live ver.-
A・WA・WA・WA -nolca solca culca Live ver.-
ミュージックレイン・オールスターMIX "バイブル" mixed by DJ和
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01d2953c3bbcf88b82fd951138bba70b12d41a6a576e49ea1d9ef6477e324729. 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/2Jao9lBFTRITWrzdDm7J3O.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/2Jao9lBFTRITWrzdDm7J3O.