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 0x0e4e63971e6edad8f63e3e015d05c89a7702dafa937cc64c2e45a93406a8aab7. 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/a3a5fecb-8a84-46cd-9921-c3ccd8be8812.json and https://artists.proofprofile.net/proofs/artist/a3a5fecb-8a84-46cd-9921-c3ccd8be8812.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kiss of the Cobra King (feat. Chris Harms)
{"copyright_id":"0x6fefa28255323e6c1b7ca24aefad7ffb8165be9797d8531a1c16c7fb99082ea3","isrc":"ATN262197618","name":"Kiss of the Cobra King (feat. Chris Harms)","registered_at":"2026-06-09T10:20:40Z","spotify_id":"7hE624YcFi7VjU3r6CWKL4","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 0x6fefa28255323e6c1b7ca24aefad7ffb8165be9797d8531a1c16c7fb99082ea3. 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/7hE624YcFi7VjU3r6CWKL4.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/7hE624YcFi7VjU3r6CWKL4.
Gesegnet und Verflucht (Helden & Träumer Edition)
{"copyright_id":"0xc48effcbfde74d5b89ca63314e59f420a9516091863d5bc3fa2cda9bd397d4f1","isrc":"DEA812000531","name":"Der Panther (feat. Chris Harms)","registered_at":"2026-06-09T18:05:25Z","spotify_id":"3lnbfQCgEgTgw1RCGZwh88","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48effcbfde74d5b89ca63314e59f420a9516091863d5bc3fa2cda9bd397d4f1. 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/3lnbfQCgEgTgw1RCGZwh88.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/3lnbfQCgEgTgw1RCGZwh88.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6575d82b42e9f1182eed9395e8fd616d76d646670701fdbb22350914be8126. 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/6B51RIpNGi8U9iD72dPHIZ.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/6B51RIpNGi8U9iD72dPHIZ.
{"copyright_id":"0x6fefa28255323e6c1b7ca24aefad7ffb8165be9797d8531a1c16c7fb99082ea3","isrc":"ATN262197618","name":"Kiss of the Cobra King","registered_at":"2026-06-09T10:20:40Z","spotify_id":"6pinFzU6sYKbNZ5OEDIzua","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fefa28255323e6c1b7ca24aefad7ffb8165be9797d8531a1c16c7fb99082ea3. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6pinFzU6sYKbNZ5OEDIzua.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/6pinFzU6sYKbNZ5OEDIzua.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6575d82b42e9f1182eed9395e8fd616d76d646670701fdbb22350914be8126. 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/3oFjjy5noqWeiRUSqlNL6M.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/3oFjjy5noqWeiRUSqlNL6M.
Stronger Without You - Alt Universe - Remix
Stronger Without You - Alt Universe (Remix)
{"copyright_id":"0x4c3d4b9dc3f68afa5d1f9b9b5b866a6a3b8857496a5a0f5d6dbe2e6cbef24398","isrc":"QZNJX2484917","name":"Stronger Without You - Alt Universe - Remix","registered_at":"2026-06-07T15:15:39Z","spotify_id":"66fToFarANaiEZPDFsbE5n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3d4b9dc3f68afa5d1f9b9b5b866a6a3b8857496a5a0f5d6dbe2e6cbef24398. 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/66fToFarANaiEZPDFsbE5n.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/66fToFarANaiEZPDFsbE5n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ebbb5029e3dab8a9da415663f838071e78cbf454896e8d4f2ff228e975b4c0. 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/3bFiTcFMRTgGRIToaRVCEO.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/3bFiTcFMRTgGRIToaRVCEO.
{"copyright_id":"0x8dabf04e662cf64cf20493e8d4515eb2ab44bffc0c884788e860ead22ad4e11a","isrc":"DEA451616640","name":"Children of the Dark","registered_at":"2026-06-04T07:53:13Z","spotify_id":"0XUdYMSq58kreVe5u66Zav","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dabf04e662cf64cf20493e8d4515eb2ab44bffc0c884788e860ead22ad4e11a. 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/0XUdYMSq58kreVe5u66Zav.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/0XUdYMSq58kreVe5u66Zav.
{"copyright_id":"0x48ede1744fe74cc55f98328f775600b9fa3ce9261e21577635ebcd4149c062c8","isrc":"ATN262106315","name":"Drag Me to Hell (feat. Chris Harms)","registered_at":"2026-06-27T14:15:23Z","spotify_id":"0WZvPbXJpfZialD3nHmCw5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ede1744fe74cc55f98328f775600b9fa3ce9261e21577635ebcd4149c062c8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0WZvPbXJpfZialD3nHmCw5.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/0WZvPbXJpfZialD3nHmCw5.
Veitstanz (2014 Version) (feat. Saltatio Mortis, Schandmaul, Feuerschwanz, Chris Harms, MajorVoice, Patty Gurdy)
{"copyright_id":"0x9da0670b151b9b72af3fc45e5c660c2cf997535178a03f68003d45b9b21205ab","isrc":"ATN262106322","name":"Veitstanz (2014 Version) (feat. Saltatio Mortis, Schandmaul, Feuerschwanz, Chris Harms, MajorVoice, Patty Gurdy)","registered_at":"2026-06-05T12:55:20Z","spotify_id":"4ssMg8rAeeUUGwzzEbGRAv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da0670b151b9b72af3fc45e5c660c2cf997535178a03f68003d45b9b21205ab. 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/4ssMg8rAeeUUGwzzEbGRAv.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/4ssMg8rAeeUUGwzzEbGRAv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11cd74485ca1b08dd66f38ee70f43839c42f322a0a5b3fb24a7bcf80ac25323d. 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/2WGvW0aMYLC5uctkXP7luv.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/2WGvW0aMYLC5uctkXP7luv.
{"copyright_id":"0x4b06aeb2bf27bb420dba1711434f04e7d227d59daf2a2117f52e45db26435fb1","isrc":"DEA451712180","name":"I Love the Way You Say My Name","registered_at":"2026-06-07T10:01:29Z","spotify_id":"5MciKiBpHyNGdbLfj6ktXb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b06aeb2bf27bb420dba1711434f04e7d227d59daf2a2117f52e45db26435fb1. 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/5MciKiBpHyNGdbLfj6ktXb.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/5MciKiBpHyNGdbLfj6ktXb.
{"copyright_id":"0x4b06aeb2bf27bb420dba1711434f04e7d227d59daf2a2117f52e45db26435fb1","isrc":"DEA451712180","name":"I Love the Way You Say My Name","registered_at":"2026-06-07T10:01:29Z","spotify_id":"0iL5p5qk81e1o9YpfxUFLe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b06aeb2bf27bb420dba1711434f04e7d227d59daf2a2117f52e45db26435fb1. 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/0iL5p5qk81e1o9YpfxUFLe.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/0iL5p5qk81e1o9YpfxUFLe.
{"copyright_id":"0xad2d6b5f9c89232c6bc51022df573d1d1eef09c86e960f482eda2d5e5f88754e","isrc":"AU3SE2301424","name":"The ghost of Hamburg","registered_at":"2026-06-22T16:47:22Z","spotify_id":"59tC5JDnv8ioXcHciGg9MB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad2d6b5f9c89232c6bc51022df573d1d1eef09c86e960f482eda2d5e5f88754e. 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/59tC5JDnv8ioXcHciGg9MB.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/59tC5JDnv8ioXcHciGg9MB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74683ba71cd17bcf5f520c92a6db7120c7de2004191ce88926ec57ba36beca68. 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/1ZYUBzlF5Y7og7d1YEM9Ar.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/1ZYUBzlF5Y7og7d1YEM9Ar.
{"copyright_id":"0xd529148921d30c88df7bc67517fd2af7f71d674fc1ed1066e0b4ce42dcb94af7","isrc":"DEZC62251690","name":"Holding On","registered_at":"2026-06-22T08:04:49Z","spotify_id":"3Xy8uGmQCmE1jWTosxr0bh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd529148921d30c88df7bc67517fd2af7f71d674fc1ed1066e0b4ce42dcb94af7. 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/3Xy8uGmQCmE1jWTosxr0bh.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/3Xy8uGmQCmE1jWTosxr0bh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd529148921d30c88df7bc67517fd2af7f71d674fc1ed1066e0b4ce42dcb94af7. 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/0ZxjNMG45vcf2yTpnrl81g.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/0ZxjNMG45vcf2yTpnrl81g.