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 0xab8cf3b6cbdef22f5b8c24fd1f25207db7517afb504efe4522cc34957f0cc8e0. 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/efd1b2cc-991b-4baf-b893-7a31d083b1dc.json and https://artists.proofprofile.net/proofs/artist/efd1b2cc-991b-4baf-b893-7a31d083b1dc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Just a Little (Daniel Neuland & Vom Feisten Remix)
Just a Little - Daniel Neuland & Vom Feisten Remix
{"copyright_id":"0x0986f9dd81f06da789f26b1733e2c6f9cd2c4eec13b0bf03d64cf89adaa84ae1","isrc":"DEUM72406354","name":"Junge Junge Junge","registered_at":"2026-06-06T18:53:40Z","spotify_id":"2PC27d1dKVu9TBmsEoN9aU","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 0x0986f9dd81f06da789f26b1733e2c6f9cd2c4eec13b0bf03d64cf89adaa84ae1. 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/2PC27d1dKVu9TBmsEoN9aU.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/2PC27d1dKVu9TBmsEoN9aU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb02cbca6e46a4246e5a447bed40aa4aeddbca6a26c7bb612623f8de9a8ade673. 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/0yQBQpnk8F4pFn9Nn8qaF2.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/0yQBQpnk8F4pFn9Nn8qaF2.
{"copyright_id":"0xc5197af6011712fc59fba05bcd43b992e4be26c10064e9ab6fa51b50cc4c1e48","isrc":"DEH742334113","name":"Kinetic Katalyst","registered_at":"2026-06-22T20:45:08Z","spotify_id":"2yLY336qTeOIGPWV5xgt0b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5197af6011712fc59fba05bcd43b992e4be26c10064e9ab6fa51b50cc4c1e48. 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/2yLY336qTeOIGPWV5xgt0b.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/2yLY336qTeOIGPWV5xgt0b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ac706f03076a4b9ef7ebbbc2256a6f89bed8499b8062e4e89f935323b6a138. 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/5h49xb6rl6Rn0CYnY5ccjU.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/5h49xb6rl6Rn0CYnY5ccjU.
{"copyright_id":"0xbabb38a2635db398a53aae901ab778faf8cc9a8cac27b2ed6976f77fd5117479","isrc":"DEH742326040","name":"Sara Perche Ti Amo","registered_at":"2026-06-08T13:57:28Z","spotify_id":"6uGDCTuQOpWx2iS0CVs5p0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbabb38a2635db398a53aae901ab778faf8cc9a8cac27b2ed6976f77fd5117479. 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/6uGDCTuQOpWx2iS0CVs5p0.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/6uGDCTuQOpWx2iS0CVs5p0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55f162f2927990a557a1c738694906ccad3c2291786d8318cf0896c64063f060. 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/16Ivb2SNj3TymQvoHMJORs.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/16Ivb2SNj3TymQvoHMJORs.
Rebellion of the Machines (Belocca Remix)
Rebellion of the Machines - Belocca Remix
{"copyright_id":"0xd73223a61d251df22e065f7e0e5df1889077995042a677a5c5fa75a100005d9a","isrc":"DEH742313057","name":"Rebellion of the Machines - Belocca Remix","registered_at":"2026-06-20T10:20:38Z","spotify_id":"3xCeGVPTGsk4kfDAFQtaZF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73223a61d251df22e065f7e0e5df1889077995042a677a5c5fa75a100005d9a. 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/3xCeGVPTGsk4kfDAFQtaZF.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/3xCeGVPTGsk4kfDAFQtaZF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb9e02e194b7a0c4f968cca4707b490739132a955a32e606f61c3c5cdcd46e9. 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/0tcc52j6qQ1avWjSv4YoO1.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/0tcc52j6qQ1avWjSv4YoO1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4f32ae121b313bc64ed07acae5ad67d0b87075e51bcb8a4884ae1b23273372. 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/73TeOQxZq4VMxooPmZ4KEr.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/73TeOQxZq4VMxooPmZ4KEr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba5a9853a070c2347d721f5b284a4bbe06df32afcb5c706f7771f48e3d72d2f. 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/7zdSChhupcXCis7Fv8K9kC.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/7zdSChhupcXCis7Fv8K9kC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba5a9853a070c2347d721f5b284a4bbe06df32afcb5c706f7771f48e3d72d2f. 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/2Xfcb3UDq4osSNXD4tcUtt.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/2Xfcb3UDq4osSNXD4tcUtt.
{"copyright_id":"0x01f28df377f26afc4d15711fd02cacb5be7e7957415f15675bde94d75864c79d","isrc":"GBKQU2236388","name":"Off My Mind","registered_at":"2026-06-19T15:59:22Z","spotify_id":"6bv5ctLCLRfEa6hVFInaFR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f28df377f26afc4d15711fd02cacb5be7e7957415f15675bde94d75864c79d. 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/6bv5ctLCLRfEa6hVFInaFR.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/6bv5ctLCLRfEa6hVFInaFR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712934014d8c783a9949889190d8bca9777a5bae5809bc75a4e060238f6d9605. 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/1TcRzgi5McBcFnvCmO5tTd.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/1TcRzgi5McBcFnvCmO5tTd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64c15235406667206f65c62191ac6f0ba20201094d94049e88d0e814443181c. 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/7o9t0mKNMpb5HJCFNGZTOS.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/7o9t0mKNMpb5HJCFNGZTOS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8130ea5309c3541545ce0b089b16572fdc40d2307eccfb854ce2e755ef088c8. 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/6J8CNMeXUBKpoTxGNxvHG1.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/6J8CNMeXUBKpoTxGNxvHG1.
Dance with the Groove (Daniel Levak Remix)
Dance with the Groove - Daniel Levak Remix
{"copyright_id":"0x8eb9e02e194b7a0c4f968cca4707b490739132a955a32e606f61c3c5cdcd46e9","isrc":"DEH742229298","name":"Eckstein Eckstein","registered_at":"2026-06-06T05:48:22Z","spotify_id":"4dRqPPLpSjdwLFQXvwmziT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb9e02e194b7a0c4f968cca4707b490739132a955a32e606f61c3c5cdcd46e9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dRqPPLpSjdwLFQXvwmziT.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/4dRqPPLpSjdwLFQXvwmziT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa21a8a6e284c43f851e28e42ac4a1a405dd69faab421090e9dda8ff042d6c69. 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/7DnLI2mSfI1aT4GsDO2Fv7.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/7DnLI2mSfI1aT4GsDO2Fv7.
{"copyright_id":"0x6fbb9fb298fee6d88f57ae7ddf2928b839b8d6e067e8468270f901be2482b55d","isrc":"DEMI32000284","name":"Rolling On Fleek","registered_at":"2026-06-21T18:16:17Z","spotify_id":"1rflyFsLDKmxfWRVnSXAoD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fbb9fb298fee6d88f57ae7ddf2928b839b8d6e067e8468270f901be2482b55d. 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/1rflyFsLDKmxfWRVnSXAoD.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/1rflyFsLDKmxfWRVnSXAoD.