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 0x6064465609780c9c3cf75f74ae027a12ca693af4e4f733188d13d9a61b1d5021. 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/fd268853-e94a-451e-98ed-90f117873f88.json and https://artists.proofprofile.net/proofs/artist/fd268853-e94a-451e-98ed-90f117873f88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f","isrc":"USAM19090005","name":"More Than Words","registered_at":"2026-06-01T03:53:20Z","spotify_id":"1gVgkQFOKa8Wc1HYsJtPdH","type":"track"}
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 0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f. 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/1gVgkQFOKa8Wc1HYsJtPdH.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/1gVgkQFOKa8Wc1HYsJtPdH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa0256828663d5709921c7a1f1d3ac0251a5d0bd7c2cae3a09f174883c1fb4c. 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/19e8ijGR5V4bK5DsBNkeSj.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/19e8ijGR5V4bK5DsBNkeSj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f78145c83b41072a14c9b07534026af6ddd236f3cd5757a32de04bd85c8e35. 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/0jfcyv1kNjN4Oa9lyoZUI9.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/0jfcyv1kNjN4Oa9lyoZUI9.
Everything Under The Sun: Rise 'N Shine / Am I Ever Gonna Change / Who Cares?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d2d71cde0441843ebcf65ac7826e78a9949dcfc476fbdd5a908a2364678313. 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/2t01dDGe9F8h3oR3Wdsdod.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/2t01dDGe9F8h3oR3Wdsdod.
The Best Of Extreme (An Accidental Collication Of Atoms)
The Best Of Extreme: An Accidental Collocation Of Atoms?
{"copyright_id":"0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f","isrc":"USAM19090005","name":"More Than Words","registered_at":"2026-06-01T03:53:20Z","spotify_id":"7yEMl43SZPiV3NeGPgGIH1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yEMl43SZPiV3NeGPgGIH1.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/7yEMl43SZPiV3NeGPgGIH1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabab240c3e736f31e75a122ac42801db56745695044c596c1500ae544d935f0. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HYDOHfst9NbjDeKyRKlE3.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/3HYDOHfst9NbjDeKyRKlE3.
20th Century Masters: The Millennium Collection: Best Of Extreme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabab240c3e736f31e75a122ac42801db56745695044c596c1500ae544d935f0. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16ObSZJplAQ8olqckD1NmB.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/16ObSZJplAQ8olqckD1NmB.
AMERICOCAINE (Demo 1985 - European Bonus Track)
The Best Of Extreme - An Accidental Collision Of Atoms
Medley: Kid Ego / Little Girls / Teacher's Pet
Medley:Kid Ego - Little Girls - Teacher's Pet
Suzi (Wants Her All Day What?) - Live 2015
Flight Of The Wounded Bumblebee - Live 2015
Mutha (Don't Wanna Go To School Today) - Live 1989
ビッグ・ボーイズ・ドント・クライ (Live)
マザー (ドント・ワナ・ゴー・トゥ・スクール・トゥデイ) [Live]
プレイ・ザット・ファンキー・ミュージック (Live)
ポルノグラフィティ (Live at Hammersmith Odeon, London, England 1991) [Bonus Tracks]
カラー・ミー・ブラインド (Live at Hammersmith Odeon, London, England 1991) [Bonus Tracks]
ホール・ハーテッド (Live at Hammersmith Odeon, London, England 1991) [Bonus Tracks]
モア・ザン・ワーズ (Live at Hammersmith Odeon, London, England 1991) [Bonus Tracks]
キャンプが楽しくなるナチュラル・ロック
ワークアウトが１００倍楽しくなる80sメタル
Stranger Things: Soundtrack from the Netflix Series, Season 4
{"copyright_id":"0x8bee45cd2a3bff1fa4d3683edb3a2d0e18157b06120d63e1f500d15fe3b326ed","isrc":"USAM18923370","name":"Play With Me","registered_at":"2026-06-08T23:16:16Z","spotify_id":"586dGOYSYqvLIpIcALiF22","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bee45cd2a3bff1fa4d3683edb3a2d0e18157b06120d63e1f500d15fe3b326ed. 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/586dGOYSYqvLIpIcALiF22.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/586dGOYSYqvLIpIcALiF22.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a32a90771fe4ce69191697660a2494f80e2444b936c2776a42cf15224d90a53. 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/6cbHI0mm1HFljgEZpBBYlF.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/6cbHI0mm1HFljgEZpBBYlF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f. 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/04SGxv689udu2njtylc7Yn.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/04SGxv689udu2njtylc7Yn.
{"copyright_id":"0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f","isrc":"USAM19090005","name":"More Than Words","registered_at":"2026-06-01T03:53:20Z","spotify_id":"0kA1c3SxzUEzcNUDdHlBdC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c96037bf21b9cb6297b8b10daa50f99a46a87d0d85b49cee04401558e1cf2f. 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/0kA1c3SxzUEzcNUDdHlBdC.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/0kA1c3SxzUEzcNUDdHlBdC.
Con Corazón - Las Baladas De Ayer, Hoy Y Siempre