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 0xf2bc3d8c5ec72ead9854444caff28f863ee1341c1c0caeb652602ef9db97c1df. 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/46ed8dfb-5d23-4247-97b0-78301085cae8.json and https://artists.proofprofile.net/proofs/artist/46ed8dfb-5d23-4247-97b0-78301085cae8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zelda: Majora's Mask Re-Orchestrated, Vol. 5
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 0x66b26366dabcbb2466a60a76789fec711038e1ea8e58415754253273a4e44d33. 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/5Dc9bCErKLzQBgjr3AeHty.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/5Dc9bCErKLzQBgjr3AeHty.
{"copyright_id":"0x3a667019b463a73680c500b0e04f61da80898c8c80eb1cb74e2584a9304dfc4e","isrc":"QZHNB2150222","name":"Oath to Order (Calling the Four Giants)","registered_at":"2026-06-27T18:38:12Z","spotify_id":"3d7S3GU6PnpoddKLlzmZQt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a667019b463a73680c500b0e04f61da80898c8c80eb1cb74e2584a9304dfc4e. 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/3d7S3GU6PnpoddKLlzmZQt.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/3d7S3GU6PnpoddKLlzmZQt.
Zelda: Majora's Mask Re-Orchestrated, Vol. 4
{"copyright_id":"0x69557bafdd465bdfb045f9915fb5792fb123969de30fd0de644d062e8f9d099a","isrc":"QZHNC2115197","name":"Ballad of the Wind Fish","registered_at":"2026-06-23T17:38:17Z","spotify_id":"0rpJfXwOjzQgbpazNkTXdP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69557bafdd465bdfb045f9915fb5792fb123969de30fd0de644d062e8f9d099a. 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/0rpJfXwOjzQgbpazNkTXdP.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/0rpJfXwOjzQgbpazNkTXdP.
Zelda: Majora's Mask Re-Orchestrated, Vol. 3
Zelda: Majora's Mask Re-Orchestrated, Vol. 2
{"copyright_id":"0xef25f19b479ebe1c46ffe024e4c45ee706b9fda7a5657d19cfaaa43ed8dcf91d","isrc":"QZHN42174139","name":"Astral Observatory","registered_at":"2026-06-22T10:43:52Z","spotify_id":"3inG4p3t205q1XcDLExgYM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef25f19b479ebe1c46ffe024e4c45ee706b9fda7a5657d19cfaaa43ed8dcf91d. 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/3inG4p3t205q1XcDLExgYM.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/3inG4p3t205q1XcDLExgYM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda3dcd25877871a043da52921eb41062fa5bd77f3aa0a80ad5e0488036a5b54. 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/1YCBdSLZ9MiEGmSE7cTd2D.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/1YCBdSLZ9MiEGmSE7cTd2D.
{"copyright_id":"0xa1bf02d786c99973bdc9349a9d6a12737fae1e73dee1019cdfdf96ba18dbbf73","isrc":"QZHN42174141","name":"Termina Field","registered_at":"2026-06-22T21:03:27Z","spotify_id":"1namAwVDMAmGiiPFibJR56","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1bf02d786c99973bdc9349a9d6a12737fae1e73dee1019cdfdf96ba18dbbf73. 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/1namAwVDMAmGiiPFibJR56.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/1namAwVDMAmGiiPFibJR56.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123f93929cd710a094b4f848adf1825376493b3b47107696fb8ad0ed14125c6c. 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/6UqzxA64r5WwdOMCXhum7I.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/6UqzxA64r5WwdOMCXhum7I.
{"copyright_id":"0xdd1dac0bb487e82b54674fc3f88ff4c4bbaae1b33b327a58e7c19437e1486aa9","isrc":"QZHN42174144","name":"Woods of Mystery (Lost Woods)","registered_at":"2026-06-26T02:44:36Z","spotify_id":"6Jo107zutv5edV1LqQARoK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1dac0bb487e82b54674fc3f88ff4c4bbaae1b33b327a58e7c19437e1486aa9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Jo107zutv5edV1LqQARoK.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/6Jo107zutv5edV1LqQARoK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86319ffbc9bc334cc6279709081bd859e95afb2d25988021b3ea4b85ec7f4c5e. 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/7akjHWsnTmNFbipAgA81yZ.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/7akjHWsnTmNFbipAgA81yZ.
Zelda: Majora's Mask Re-Orchestrated, Vol. 1
{"copyright_id":"0xfb992e7196614e921258a44627daa0bf60c861dee5a3fc9bee7c07e0ceba0b14","isrc":"QZES72115676","name":"Title Sequence","registered_at":"2026-06-21T11:31:19Z","spotify_id":"2gxy11mCE0rOpl5Z9Lb8Mp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb992e7196614e921258a44627daa0bf60c861dee5a3fc9bee7c07e0ceba0b14. 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/2gxy11mCE0rOpl5Z9Lb8Mp.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/2gxy11mCE0rOpl5Z9Lb8Mp.
{"copyright_id":"0xbfd8f515dc4ba594c90d52b9436da68734cb21199d2e302c495bad6a1a451910","isrc":"QZES72115679","name":"Majora's Theme","registered_at":"2026-06-24T23:25:03Z","spotify_id":"5I0HduytJNhVpQMTKeIAIG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfd8f515dc4ba594c90d52b9436da68734cb21199d2e302c495bad6a1a451910. 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/5I0HduytJNhVpQMTKeIAIG.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/5I0HduytJNhVpQMTKeIAIG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb116df7b9ed26bc2c8b63956c47859de50322e38dd54f2d8fc7d2ea2a5001a. 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/1Liz6emJ9UAzifxoyS95qU.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/1Liz6emJ9UAzifxoyS95qU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x294411223b85a4b7ba9c40da86b10309b37252b8541516c68f6481640a6422a7. 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/2nQVvtdJXjugEQlehapcoP.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/2nQVvtdJXjugEQlehapcoP.
{"copyright_id":"0x4990d2bef9eff4ea741168a5006a91515bd0021b2396b48deb112d38b3e7105a","isrc":"QZES72115682","name":"Great Fairy's Fountain","registered_at":"2026-06-07T09:44:47Z","spotify_id":"5SYNZxi1dCViY1XyVcAQ3Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4990d2bef9eff4ea741168a5006a91515bd0021b2396b48deb112d38b3e7105a. 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/5SYNZxi1dCViY1XyVcAQ3Y.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/5SYNZxi1dCViY1XyVcAQ3Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf7915d48534d456f480413d0d66e964c0e88c5c0ff0ce74c62791d1370ec00. 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/3cTXqHt1WZxavpBfty3JfX.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/3cTXqHt1WZxavpBfty3JfX.
{"copyright_id":"0xa2de0d560453113ea5347d17a30bff5a2d753c8556d73d5acdd10db17048b80c","isrc":"QZES72115685","name":"Song of Healing","registered_at":"2026-06-19T18:35:06Z","spotify_id":"0AXnBb4t8uaGFoYCOCI0LX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2de0d560453113ea5347d17a30bff5a2d753c8556d73d5acdd10db17048b80c. 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/0AXnBb4t8uaGFoYCOCI0LX.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/0AXnBb4t8uaGFoYCOCI0LX.
Yoshi's Island Ending (Orchestral Rendition)
{"copyright_id":"0xec3af60f7f91b157b72bd90c45acc5c6684f4b0d5b00999f5c450cb19a409922","isrc":"QZTAY2382852","name":"Yoshi's Island Ending (Orchestral Rendition)","registered_at":"2026-06-22T10:46:30Z","spotify_id":"6pT7PG1MCMl7bGS3BgKVDm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3af60f7f91b157b72bd90c45acc5c6684f4b0d5b00999f5c450cb19a409922. 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/6pT7PG1MCMl7bGS3BgKVDm.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/6pT7PG1MCMl7bGS3BgKVDm.
Hidden Skill Training (From "Zelda: Twilight Princess")
Malo Mart (From "Zelda: Twilight Princess")
{"copyright_id":"0x1ae2945dbe23a57ccfa25b5f10df08c8b55285b1649ed1bb6a6ea2f479594fdb","isrc":"QZES62391296","name":"Malo Mart (From \"Zelda: Twilight Princess\")","registered_at":"2026-06-08T23:43:35Z","spotify_id":"6D3o8VCmoc60OuK0SGL6XJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae2945dbe23a57ccfa25b5f10df08c8b55285b1649ed1bb6a6ea2f479594fdb. 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/6D3o8VCmoc60OuK0SGL6XJ.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/6D3o8VCmoc60OuK0SGL6XJ.
Nimbasa City (From "Pokémon Black & White")
Awake (From "Castlevania: Circle of the Moon")
Fortree City (From "Pokémon Ruby & Sapphire")
Library Piano (From "Luigi's Mansion 2: Dark Moon")
{"copyright_id":"0xb25e3b46c748999c49111b2a310b0dd3ee9a45224ff1d545d1c884fe0de247a0","isrc":"QZNWS2156932","name":"Library Piano (From \"Luigi's Mansion 2: Dark Moon\")","registered_at":"2026-06-20T13:21:33Z","spotify_id":"2JGJIifHfErcWo0Dbqsn8s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb25e3b46c748999c49111b2a310b0dd3ee9a45224ff1d545d1c884fe0de247a0. 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/2JGJIifHfErcWo0Dbqsn8s.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/2JGJIifHfErcWo0Dbqsn8s.
Lake Hylia (From "Zelda: Twilight Princess")
Chapel Hidden in Smoke (From "Castlevania: Order of Ecclesia")
Forest Temple (From "Zelda: Ocarina of Time")
{"copyright_id":"0xf2f1671cf0f1bcaa71d73b867b8f3773b21c098638276a4ab9c4f798226594b4","isrc":"QZNWQ2177051","name":"Forest Temple (From \"Zelda: Ocarina of Time\")","registered_at":"2026-06-19T18:31:30Z","spotify_id":"0ZU8ZAjGJ7qk23gmyOSujR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f1671cf0f1bcaa71d73b867b8f3773b21c098638276a4ab9c4f798226594b4. 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/0ZU8ZAjGJ7qk23gmyOSujR.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/0ZU8ZAjGJ7qk23gmyOSujR.
Hyrule Castle (From "Zelda: Breath of the Wild")
{"copyright_id":"0xdaddc781dd87775e301f3589deffa13d7006076f050ea0bf704b9fa01a3a0958","isrc":"QZNWQ2180182","name":"Hyrule Castle (From \"Zelda: Breath of the Wild\")","registered_at":"2026-06-24T23:26:24Z","spotify_id":"7zJmpkZxN0URZA3PN24feV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaddc781dd87775e301f3589deffa13d7006076f050ea0bf704b9fa01a3a0958. 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/7zJmpkZxN0URZA3PN24feV.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/7zJmpkZxN0URZA3PN24feV.
Inside the Castle Walls (From "Super Mario 64")
Starship Mario, Launch! (From "Super Mario Galaxy 2")
Ganon's Last Stand (From "Zelda: Ocarina of Time")
Ghostly Galaxy (From "Super Mario Galaxy")
Troubled Realm (From "Zelda: Spirit Tracks")
The Great Deku Tree (From "Zelda: Ocarina of Time")
Marine Research Lab (From "Zelda: Majora's Mask")
The Great Sea 2022 (From "Zelda: The Wind Waker")
{"copyright_id":"0x3c3b4b9f5fdb217e200c9db26051cef5b073564ff0cfba2b891d9154e888e550","isrc":"QZMEM2150742","name":"The Great Sea 2022 (From \"Zelda: The Wind Waker\")","registered_at":"2026-06-18T06:57:10Z","spotify_id":"5wZu1HWhPgfTZcQyTMWSIR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3b4b9f5fdb217e200c9db26051cef5b073564ff0cfba2b891d9154e888e550. 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/5wZu1HWhPgfTZcQyTMWSIR.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/5wZu1HWhPgfTZcQyTMWSIR.
Title Theme (From "Zelda II: The Adventure of Link")
Town Theme (From "Zelda II: The Adventure of Link")
Miniboss Battle (From "Zelda: Ocarina of Time")
Strike the Earth! (From "Shovel Knight")