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 0x93c178bc1e0cee8782840526a34a9ee5596f3d069702a42f383f9ee22f5852e5. 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/dac6c4d9-64aa-4606-8b41-6b1b97fbd7eb.json and https://artists.proofprofile.net/proofs/artist/dac6c4d9-64aa-4606-8b41-6b1b97fbd7eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
10th Anniversary Bad Apple!! feat.nomico PHASE3
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 0x1f9dfd20c79e0bd9d7775e726c5245cfe25f662836c83b03ac68bf0256a26dee. 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/57JRZbE80MLsYbmb24cPee.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/57JRZbE80MLsYbmb24cPee.
Bad Apple!! feat.nomico (TOS Remix) feat. 抹, ｙｔｒ
{"copyright_id":"0xaf479753b7d0fa9ae3a7f105f92cfe1b0f89ff6fe7aba110809322a07284f608","isrc":"JPW561805004","name":"Bad Apple!! feat.nomico (TOS Remix) feat. 抹, ｙｔｒ","registered_at":"2026-06-08T11:34:20Z","spotify_id":"4DyEeC0oJyTB7MldglC2qw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf479753b7d0fa9ae3a7f105f92cfe1b0f89ff6fe7aba110809322a07284f608. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DyEeC0oJyTB7MldglC2qw.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/4DyEeC0oJyTB7MldglC2qw.
Bad Apple!! feat.nomico (Camellia's "Bad Psy" Remix)
{"copyright_id":"0xe31fd8ec909c09f9c6d839d2beb041b6add770777efce9a4a205410643a9dd99","isrc":"JPW561805013","name":"Bad Apple!! feat.nomico (Camellia's \"Bad Psy\" Remix)","registered_at":"2026-06-08T19:24:41Z","spotify_id":"3OwSNk7BVwdCYivLzAso7b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe31fd8ec909c09f9c6d839d2beb041b6add770777efce9a4a205410643a9dd99. 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/3OwSNk7BVwdCYivLzAso7b.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/3OwSNk7BVwdCYivLzAso7b.
{"copyright_id":"0xa725b89e6fddc73b7932b4ae166a243b8be5e07d9d918004f427aeb96b8e31f4","isrc":"JPW561805012","name":"Bad Apple!! feat.nomico (Nhato Remix)","registered_at":"2026-06-09T16:45:56Z","spotify_id":"2dWujNH8Kg1gahy1KfKAvJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa725b89e6fddc73b7932b4ae166a243b8be5e07d9d918004f427aeb96b8e31f4. 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/2dWujNH8Kg1gahy1KfKAvJ.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/2dWujNH8Kg1gahy1KfKAvJ.
Bad Apple!! feat.nomico (2014 REFIX) (from FLASHLIGHT)
{"copyright_id":"0xa5db82c9e0caaecc0b59dda87fdedb831fe4a016aad12923a4f992a156ce781a","isrc":"JPW561805002","name":"Bad Apple!! feat.nomico (2014 REFIX) (from FLASHLIGHT)","registered_at":"2026-06-19T09:39:11Z","spotify_id":"6VAdZcuNq25hIyYMn0e3Z1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5db82c9e0caaecc0b59dda87fdedb831fe4a016aad12923a4f992a156ce781a. 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/6VAdZcuNq25hIyYMn0e3Z1.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/6VAdZcuNq25hIyYMn0e3Z1.
Bad Apple!! feat.nomico (Animelo Summer Live 2010 Edit)
{"copyright_id":"0x1d80c9c071899610db729d7306c87921037ed6edebddfa67cf2dbcd0256e9d48","isrc":"JPW561805001","name":"Bad Apple!! feat.nomico (Animelo Summer Live 2010 Edit)","registered_at":"2026-06-19T05:17:47Z","spotify_id":"5u6It4uulwnny6vpQBkVYV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d80c9c071899610db729d7306c87921037ed6edebddfa67cf2dbcd0256e9d48. 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/5u6It4uulwnny6vpQBkVYV.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/5u6It4uulwnny6vpQBkVYV.
Bad Apple!! feat.nomico (博麗神社うた祭 2016 Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0601272f857783d1a37d12e01a7e3cc3f5d8ac8ba21696eba6d9e6cbac119126. 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/7ME9ot0G8xDyXL6fi6J6ip.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/7ME9ot0G8xDyXL6fi6J6ip.
Bad Apple!! feat.nomico (HYPER RAVE Remix)
{"copyright_id":"0x360a190fc5dc87599ec826e782e0ffbcb98a212a5371fa92960f8c19c8c331f6","isrc":"JPW561805005","name":"Bad Apple!! feat.nomico (HYPER RAVE Remix)","registered_at":"2026-06-21T22:19:45Z","spotify_id":"7vUXOxoTgU5X3nyZuCIgVa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360a190fc5dc87599ec826e782e0ffbcb98a212a5371fa92960f8c19c8c331f6. 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/7vUXOxoTgU5X3nyZuCIgVa.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/7vUXOxoTgU5X3nyZuCIgVa.
Bad Apple!! feat.nomico (COOL&CREATE Ver.)
{"copyright_id":"0x1ec16cf51729ae3fcf115b1a184eef25fa757ba7846459747d61e5f19d048ce7","isrc":"JPW561805008","name":"Bad Apple!! feat.nomico (COOL&CREATE Ver.)","registered_at":"2026-06-21T22:20:57Z","spotify_id":"2ziFV37sFkHTQPjpmsLzzy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec16cf51729ae3fcf115b1a184eef25fa757ba7846459747d61e5f19d048ce7. 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/2ziFV37sFkHTQPjpmsLzzy.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/2ziFV37sFkHTQPjpmsLzzy.
Bad Apple!! feat.nomico (REDALiCE Remix)
{"copyright_id":"0x56fbfbf7472fa0be7ca165f8dd5e6d63267415624cc9839b884b2c953b132ebd","isrc":"JPW561805017","name":"Bad Apple!! feat.nomico (REDALiCE Remix)","registered_at":"2026-06-23T02:24:40Z","spotify_id":"4lxkyfqPWtsNjbvH9pV3Rh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56fbfbf7472fa0be7ca165f8dd5e6d63267415624cc9839b884b2c953b132ebd. 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/4lxkyfqPWtsNjbvH9pV3Rh.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/4lxkyfqPWtsNjbvH9pV3Rh.
{"copyright_id":"0x6e0168f3a0470b9dfb5f61591a6c484afbb54135d02ed9a9fb11f3f972bfd684","isrc":"JPW561805007","name":"Bad Apple!! feat.nomico (豚乙女 Ver.)","registered_at":"2026-06-24T11:06:43Z","spotify_id":"0OdidarhAiiCiwFrjcol6H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e0168f3a0470b9dfb5f61591a6c484afbb54135d02ed9a9fb11f3f972bfd684. 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/0OdidarhAiiCiwFrjcol6H.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/0OdidarhAiiCiwFrjcol6H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68e91922310f8f8266ad42cbe70411a59d5c42054e7c9445f9a75745ab36f5c. 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/1ru4vr2F8ox4bPhVpPpC20.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/1ru4vr2F8ox4bPhVpPpC20.
{"copyright_id":"0x6fb1f66aebee109b01ee651611cb4f9396f8f4536021318c83a670beae1f003f","isrc":"JPW561805010","name":"Bad Apple!! feat.nomico (Marasy Ver.)","registered_at":"2026-06-24T11:07:12Z","spotify_id":"6tJOMhaszwgn0JnjfLkc1p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb1f66aebee109b01ee651611cb4f9396f8f4536021318c83a670beae1f003f. 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/6tJOMhaszwgn0JnjfLkc1p.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/6tJOMhaszwgn0JnjfLkc1p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116dd9eeec7754de8e72bb1464149810cd1060b5e8338e5b7ec320837038c029. 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/07lLFEz57nM34782HIdRlp.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/07lLFEz57nM34782HIdRlp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ac2639a948f39a365f42420b8af76c89386c39fe02327e4748039d46f728aa. 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/32o5i5VFbkxs3Od9ZbtnHL.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/32o5i5VFbkxs3Od9ZbtnHL.
Bad Apple!! feat.nomico (Tracy + Astronomical Remix)
Bad Apple!! feat.nomico (ELEMENTAS Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8576c7d29e5765aeb102329d923d2821d5982468d8283969e10959c4bf50011. 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/0aYckBQUJuRAsm4gWfzpKk.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/0aYckBQUJuRAsm4gWfzpKk.
Bad Apple!! feat.nomico (SIMIAN NOISE Remix)