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 0xcaddc68aceb77976c9c2112fe473f198c8de13062bdccd79c1a89895ba5281b1. 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/6a2cbecf-f40a-40c9-a89b-de20128dcd09.json and https://artists.proofprofile.net/proofs/artist/6a2cbecf-f40a-40c9-a89b-de20128dcd09.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 0xd7dc5fd47c87a1161b8e8e9cf8da2e227ecfa5b21a3054f6a7482c45a1843224. 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/4TaE2BqLdNyYxa8UJHTF5x.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/4TaE2BqLdNyYxa8UJHTF5x.
OH YEAH (YG Family Concert in Japan EDITION)
BIGBANG10 THE CONCERT 0.TO.10 FINAL IN SEOUL
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5667a83f8e8e0a4980a33a5d1243c19276a4ddb2887d8692ae15be9b58dc64ec. 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/1YD8M14uJW3DXrCs4FeO8o.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/1YD8M14uJW3DXrCs4FeO8o.
HIGH HIGH - BIGBANG10 THE CONCERT : 0.TO.10 IN JAPAN
BIGBANG10 THE CONCERT : 0.TO.10 IN JAPAN + BIGBANG10 THE MOVIE BIGBANG MADE
{"copyright_id":"0x442fd7137ee96ba3f59cc8956143f95a1a84cbeade48485e758acaf90c0f02c8","isrc":"JPB601603183","name":"HIGH HIGH - BIGBANG10 THE CONCERT : 0.TO.10 IN JAPAN","registered_at":"2026-06-18T04:36:06Z","spotify_id":"5ww3lRbdwLEsE7MtQ6iiYJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x442fd7137ee96ba3f59cc8956143f95a1a84cbeade48485e758acaf90c0f02c8. 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/5ww3lRbdwLEsE7MtQ6iiYJ.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/5ww3lRbdwLEsE7MtQ6iiYJ.
Dancing On My Own [with GD&T.O.P (from BIGBANG)]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b79fd62124a3d92fe7bc06c19a1089c673e0a7b373b681852400c09293d2bef. 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/0rY4ObsXmChwMv2PSPmnnT.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/0rY4ObsXmChwMv2PSPmnnT.
HIGH HIGH - BIGBANG10 THE CONCERT : 0.TO.10 -THE FINAL-
BIGBANG10 THE CONCERT : 0.TO.10 -THE FINAL-
{"copyright_id":"0xbc89e8e95664f1c4558bb0dfce77d28813a247d2c93e0afdf4437370df6cb086","isrc":"JPB681700856","name":"HIGH HIGH - BIGBANG10 THE CONCERT : 0.TO.10 -THE FINAL-","registered_at":"2026-06-10T20:26:57Z","spotify_id":"37psmmUAm84llMst8n4Qkf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc89e8e95664f1c4558bb0dfce77d28813a247d2c93e0afdf4437370df6cb086. 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/37psmmUAm84llMst8n4Qkf.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/37psmmUAm84llMst8n4Qkf.
{"copyright_id":"0x2cacfd1a29edb19b986bbc50ad00aadcc14a8e07704efa4aebbe13af23fc2466","isrc":"KRA401700245","name":"HIGH HIGH - Live","registered_at":"2026-06-19T21:57:33Z","spotify_id":"0dflZ9lezOwO0AZVgYQSQL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cacfd1a29edb19b986bbc50ad00aadcc14a8e07704efa4aebbe13af23fc2466. 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/0dflZ9lezOwO0AZVgYQSQL.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/0dflZ9lezOwO0AZVgYQSQL.
ZUTTER - KR Ver. BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN : THE FINAL
BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN : THE FINAL
{"copyright_id":"0x0d1e6e7fa473fb78df6b3dfc1cedd45078905e9a6da2a260afc601f1870fd7be","isrc":"JPB601602062","name":"ZUTTER - KR Ver. BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN : THE FINAL","registered_at":"2026-06-19T15:52:50Z","spotify_id":"1fhCyqRprrEv7cuSas8fk2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d1e6e7fa473fb78df6b3dfc1cedd45078905e9a6da2a260afc601f1870fd7be. 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/1fhCyqRprrEv7cuSas8fk2.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/1fhCyqRprrEv7cuSas8fk2.
ZUTTER - KR Ver. (BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN)
BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN
{"copyright_id":"0xdd5d2a8e54e461e25cefede2cef8263b5ad4bc5e6c0788451c439417e96f0e2b","isrc":"JPB681601265","name":"ZUTTER - KR Ver. (BIGBANG WORLD TOUR 2015〜2016 [MADE] IN JAPAN)","registered_at":"2026-06-08T13:56:44Z","spotify_id":"3xfhHH3yZiBepBEUK7r4R1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5d2a8e54e461e25cefede2cef8263b5ad4bc5e6c0788451c439417e96f0e2b. 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/3xfhHH3yZiBepBEUK7r4R1.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/3xfhHH3yZiBepBEUK7r4R1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6227ce88c6a642f9eb1051f901aea546d9977c3129423c5b0c496161ca3981c. 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/0RC8s8nCsiSmONOLSB78AP.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/0RC8s8nCsiSmONOLSB78AP.
2013 BIGBANG Alive Galaxy Tour - The Final In Seoul
{"copyright_id":"0xdd960edcb4b5fa94146bf5b8a50b2bb260d3fc771198ecd73c3e8a83d1684c6f","isrc":"KRA341303586","name":"High High - Live","registered_at":"2026-06-19T21:53:43Z","spotify_id":"7qGwqj1JVtxkIfzG3dKINI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd960edcb4b5fa94146bf5b8a50b2bb260d3fc771198ecd73c3e8a83d1684c6f. 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/7qGwqj1JVtxkIfzG3dKINI.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/7qGwqj1JVtxkIfzG3dKINI.
ポギガヨ (KNOCK OUT) - TOKYO DOME 2012.12.05
BIGBANG ALIVE TOUR 2012 IN JAPAN SPECIAL FINAL IN DOME -TOKYO DOME 2012.12.05-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ec57099b9591873bca793c0af691fb1f8a083fda135627164c7362e2ca4df78. 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/3eD0GoA9NBgKzq8IaQaaod.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/3eD0GoA9NBgKzq8IaQaaod.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d153935ade13e1dc4e066c69f6300cb523f436a193bc8121169d496eaa50daf. 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/6ZVRi4qa37VlOA4tWIjdud.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/6ZVRi4qa37VlOA4tWIjdud.
SPECIAL FINAL IN DOME MEMORIAL COLLECTION
{"copyright_id":"0x036e0a8cdffb6c0996507c3fcaebeef666f19e6d060943c5a47d19eb6c88bac6","isrc":"JPB601155802","name":"HIGH HIGH - JPN Ver.","registered_at":"2026-06-05T20:56:57Z","spotify_id":"6SV38MiP0iHrFEMmxdoklr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x036e0a8cdffb6c0996507c3fcaebeef666f19e6d060943c5a47d19eb6c88bac6. 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/6SV38MiP0iHrFEMmxdoklr.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/6SV38MiP0iHrFEMmxdoklr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf727b508f5101193d79a1419dcf7d718e4be32ff912eafcba6db375e193a68ef. 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/0RpnRG4ZJBNeaHoqTF7h5U.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/0RpnRG4ZJBNeaHoqTF7h5U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeabaa6fd0f2009d972b33ada71e36811cad9b624330434ff6cc559407ec2cf62. 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/2rPldM3LvVScZkI7drfLuI.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/2rPldM3LvVScZkI7drfLuI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6227ce88c6a642f9eb1051f901aea546d9977c3129423c5b0c496161ca3981c. 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/6ePbs5ln6NGmMMuA6DrSaQ.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/6ePbs5ln6NGmMMuA6DrSaQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1cb43374466455632a81288ab6816b848640436707ffa7a58ff889d28d7aa0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Ki9ZwGVHr8e4i52GqaIRl.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/7Ki9ZwGVHr8e4i52GqaIRl.
{"copyright_id":"0x036e0a8cdffb6c0996507c3fcaebeef666f19e6d060943c5a47d19eb6c88bac6","isrc":"JPB601155802","name":"HIGH HIGH - JPN Ver.","registered_at":"2026-06-05T20:56:57Z","spotify_id":"6DpHpDHgaMEhHAe9vR0o8r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x036e0a8cdffb6c0996507c3fcaebeef666f19e6d060943c5a47d19eb6c88bac6. 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/6DpHpDHgaMEhHAe9vR0o8r.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/6DpHpDHgaMEhHAe9vR0o8r.