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 0x5727f00664ead95093b63948b2667c51ef527ba949a5f3eb0c2cc96519903182. 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/0df0f11f-3299-4ee5-b6bd-f9667775a07d.json and https://artists.proofprofile.net/proofs/artist/0df0f11f-3299-4ee5-b6bd-f9667775a07d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
9th ANNIVERSARY TOUR [Ketsui wo maeni] FINAL at Toyosu PIT
Blue candy - Live at Toyosu PIT 2022.11.26
Todome wo sashite - Live at Toyosu PIT 2022.11.26
CHAOSDIVE - Live at Toyosu PIT 2022.11.26
Byakushichou - Live at Toyosu PIT 2022.11.26
Kasabuta - Live at Toyosu PIT 2022.11.26
Sekai no hashi - Live at Toyosu PIT 2022.11.26
Sekai no owari to yoake mae - Live at Toyosu PIT 2022.11.26
Razzle dazzle - Live at Toyosu PIT 2022.11.26
PICTURES - Live at Toyosu PIT 2022.11.26
Watashi to rikai - Live at Toyosu PIT 2022.11.26
TARANTULA - Live at Toyosu PIT 2022.11.26
Hata no motoni - Live at Toyosu PIT 2022.11.26
Dameningen - Live at Toyosu PIT 2022.11.26
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 0x4ebacf65e4ae62036084ad3af89140f2d86c5359c0d31c33b2503358f7a58139. 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/26KXz3bU0b9dQ3kY27RKP8.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/26KXz3bU0b9dQ3kY27RKP8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b86aaf328db85133ed6e8a46062092cbb2008bc6ee6fab5835959512b212ca. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5IFe1D3vG2Mow9ZM4wpokj.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/5IFe1D3vG2Mow9ZM4wpokj.
Kachikan no chigai ha yuiitsu no sukui datta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41be56c1f264091b8eaa79521ac67dbeb7de346ac21fc438ca427aba051d593. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0E16nzbwsn78i3DT8Kw6U3.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/0E16nzbwsn78i3DT8Kw6U3.
{"copyright_id":"0x31654598ed39c1e1beeca091f17998c4e2dc6290dc76895d3e647dd64f1a55aa","isrc":"JPZ922109902","name":"Sekai no owari to yoake mae","registered_at":"2026-06-28T04:27:50Z","spotify_id":"0FEjFdWZ5KH1eN1ZijxWpB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31654598ed39c1e1beeca091f17998c4e2dc6290dc76895d3e647dd64f1a55aa. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FEjFdWZ5KH1eN1ZijxWpB.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/0FEjFdWZ5KH1eN1ZijxWpB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37465ae3c186a15131ce7b3c4021a4182650141e319fd25a47680853da1482da. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xKmEWhPTijXIgILY25ikD.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/0xKmEWhPTijXIgILY25ikD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7e276c1feeea3a8032409d4050018c11a8e064fea24642ba2a052fbffe5df4. 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/30SyX3IocCaWE7mN7Djiy3.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/30SyX3IocCaWE7mN7Djiy3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb38bde74866cd95a9faf11dd58813830b662ecfbcbd7e96c486f3274c630a86. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5E91IVPQSSEkCj2HVCz4bR.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/5E91IVPQSSEkCj2HVCz4bR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37465ae3c186a15131ce7b3c4021a4182650141e319fd25a47680853da1482da. 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/3lNKxWNoPJ5lJvU0DjTvn7.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/3lNKxWNoPJ5lJvU0DjTvn7.
{"copyright_id":"0x31654598ed39c1e1beeca091f17998c4e2dc6290dc76895d3e647dd64f1a55aa","isrc":"JPZ922109902","name":"Sekai no Owari to Yoake Mae","registered_at":"2026-06-28T04:27:50Z","spotify_id":"75fgYPmFxE59Kn1oJw6uxB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31654598ed39c1e1beeca091f17998c4e2dc6290dc76895d3e647dd64f1a55aa. 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/75fgYPmFxE59Kn1oJw6uxB.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/75fgYPmFxE59Kn1oJw6uxB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b86aaf328db85133ed6e8a46062092cbb2008bc6ee6fab5835959512b212ca. 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/17gFcwEgzLav9xWlBkjyfF.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/17gFcwEgzLav9xWlBkjyfF.
{"copyright_id":"0xe41be56c1f264091b8eaa79521ac67dbeb7de346ac21fc438ca427aba051d593","isrc":"JPZ922007740","name":"In the Mirror","registered_at":"2026-06-20T17:55:05Z","spotify_id":"2JCHJUHAq8S5oOibATJHuo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41be56c1f264091b8eaa79521ac67dbeb7de346ac21fc438ca427aba051d593. 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/2JCHJUHAq8S5oOibATJHuo.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/2JCHJUHAq8S5oOibATJHuo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41628d949c13178d8cf64a59e440b8650e8b8a5a762df01f071d3d8308c40ce1. 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/4wZ2vHGoBKUu1r5IlQ205A.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/4wZ2vHGoBKUu1r5IlQ205A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e3b73bd7ac246acabd4a341db2fc4a3eb1af24e38affd1d8c140cc910ef511. 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/373PJ8jV15NIbNZZiRw7Ay.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/373PJ8jV15NIbNZZiRw7Ay.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb38bde74866cd95a9faf11dd58813830b662ecfbcbd7e96c486f3274c630a86. 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/5sXQojiaEWRNPuiLo9QilG.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/5sXQojiaEWRNPuiLo9QilG.
Mawarukyuutai itaikenako sukuihamienai - Instrumental-
Kieteiku orange no sorae - Instrumental-
Sekai no Owari to Yoake Mae - instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ebacf65e4ae62036084ad3af89140f2d86c5359c0d31c33b2503358f7a58139. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47C1FzidIUAnLRHq76qosS.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/47C1FzidIUAnLRHq76qosS.