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 0xa69c748af9306237aea63e0f05b669241c40c96606bcc415ac7d0db2db5f45d0. 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/2cb0e2df-9117-493e-9a9e-3ac89b8a180c.json and https://artists.proofprofile.net/proofs/artist/2cb0e2df-9117-493e-9a9e-3ac89b8a180c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc4e3f8de5c29020538211adca54aaffcf3274d6fb4d5c70ae6f7d6798fe25971","isrc":"GBAHS0104848","name":"The Right Thing","registered_at":"2026-06-04T07:05:01Z","spotify_id":"2ZfALE4EncKJFqsEwDkrl9","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 0xc4e3f8de5c29020538211adca54aaffcf3274d6fb4d5c70ae6f7d6798fe25971. 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/2ZfALE4EncKJFqsEwDkrl9.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/2ZfALE4EncKJFqsEwDkrl9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a56996f087744bf7a76d54193499b7b6b11efd72e0a4fdc0ac435f1816c12f. 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/4bkEtuV1oy5dqlO5AGKT6L.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/4bkEtuV1oy5dqlO5AGKT6L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5a98bee637917afde4f169060ef52a945e658a7d99f2a0b9b794c057b90c72. 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/59ibKprhpAiVLF2tGr7Jez.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/59ibKprhpAiVLF2tGr7Jez.
{"copyright_id":"0x664cce5d95bad7de07f6d8ebcff7c45b8a2331a462144b456a5182ba551765c9","isrc":"GBAHS0200199","name":"I Won't Feel Bad","registered_at":"2026-06-09T22:47:15Z","spotify_id":"4MKC86eW7rQwEScQ9goSrZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x664cce5d95bad7de07f6d8ebcff7c45b8a2331a462144b456a5182ba551765c9. 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/4MKC86eW7rQwEScQ9goSrZ.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/4MKC86eW7rQwEScQ9goSrZ.
{"copyright_id":"0xde98b4062543e81a1aa6d31774159f6ec0ec6ad651b881a1a6240f7348100b0c","isrc":"GBAHS0401454","name":"Ev'ry Time We Say Goodbye","registered_at":"2026-06-07T10:35:14Z","spotify_id":"7yvPZWr1RAJltYNohOTirM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde98b4062543e81a1aa6d31774159f6ec0ec6ad651b881a1a6240f7348100b0c. 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/7yvPZWr1RAJltYNohOTirM.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/7yvPZWr1RAJltYNohOTirM.
{"copyright_id":"0x088915af822dfa244937e318a7f05be83a95b7f6cf10868db77186db51c247fa","isrc":"GBAHS0200307","name":"Let Me Have It All","registered_at":"2026-06-20T16:09:50Z","spotify_id":"0wjSVMgeXqHDfhFSMLqcwW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088915af822dfa244937e318a7f05be83a95b7f6cf10868db77186db51c247fa. 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/0wjSVMgeXqHDfhFSMLqcwW.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/0wjSVMgeXqHDfhFSMLqcwW.
{"copyright_id":"0xe6bfa56df1d91e7d57d9ec376f84d542fa7dbe7c636bb5d741cb44eafef55a2d","isrc":"GBAHS0200308","name":"Love Fire","registered_at":"2026-06-18T09:06:15Z","spotify_id":"5gWwW56diN3AsVlZHB5r3x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bfa56df1d91e7d57d9ec376f84d542fa7dbe7c636bb5d741cb44eafef55a2d. 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/5gWwW56diN3AsVlZHB5r3x.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/5gWwW56diN3AsVlZHB5r3x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6732568f380936046f358db70adcba8098c9dcadec948e82d7fdea82209baa80. 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/4V5pdDmGkX7y43Q6U5rlT7.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/4V5pdDmGkX7y43Q6U5rlT7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c752f19272e3b0be2f3a7482779d08402949c1828c94a439786351de22093e. 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/7GcV5pApOH205y28RWp5bf.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/7GcV5pApOH205y28RWp5bf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e3ff908283af94df668c3c40c54974ac795adc529297b76848d283197e960c. 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/2t42hHtJw3CqpF5UJ0uV1H.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/2t42hHtJw3CqpF5UJ0uV1H.
{"copyright_id":"0xa55ed6324ec6db1a7de5118cd087b26aef410373b97125915c193f13e2c08ae9","isrc":"GBCRL0800463","name":"The Right Thing - Extended Single","registered_at":"2026-06-09T01:47:57Z","spotify_id":"3kk7kMD1s5IUwMXnusgj4B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55ed6324ec6db1a7de5118cd087b26aef410373b97125915c193f13e2c08ae9. 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/3kk7kMD1s5IUwMXnusgj4B.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/3kk7kMD1s5IUwMXnusgj4B.
{"copyright_id":"0x796724666758bd656eb8450ebfbab97bb45a144a2ca503f4c93edbe60b00837f","isrc":"GBCRL0800464","name":"Broken Man","registered_at":"2026-06-23T22:49:12Z","spotify_id":"6LrRyDbCZtYWmKsIJEHa6h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796724666758bd656eb8450ebfbab97bb45a144a2ca503f4c93edbe60b00837f. 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/6LrRyDbCZtYWmKsIJEHa6h.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/6LrRyDbCZtYWmKsIJEHa6h.
{"copyright_id":"0x6a91e9599f4811b65c31f9fe3ef8e7d2c6de37686bb8aabd978f26993e3f599e","isrc":"GBCRL0800465","name":"Ev'ry Time We Say Goodbye - Live","registered_at":"2026-06-25T03:17:06Z","spotify_id":"295zcNcBVYLaOuz0TrQROa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a91e9599f4811b65c31f9fe3ef8e7d2c6de37686bb8aabd978f26993e3f599e. 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/295zcNcBVYLaOuz0TrQROa.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/295zcNcBVYLaOuz0TrQROa.
{"copyright_id":"0x2e59bad09f308701ae2d2f2396c5f6b68c0ca09cea9978e6e768e89a90093416","isrc":"GBCRL0800466","name":"Infidelity - Stretch Mix","registered_at":"2026-06-23T22:49:50Z","spotify_id":"5adYkW9S2DeSuWDD5igipS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e59bad09f308701ae2d2f2396c5f6b68c0ca09cea9978e6e768e89a90093416. 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/5adYkW9S2DeSuWDD5igipS.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/5adYkW9S2DeSuWDD5igipS.
{"copyright_id":"0x3079feede37b2ca3915e87f739ff34051f51c32948971ba435a9e8afba437e59","isrc":"GBCRL0800468","name":"Lady Godiva's Room","registered_at":"2026-06-12T00:03:28Z","spotify_id":"7auZfNXqmFvlnHEkOoXWmV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3079feede37b2ca3915e87f739ff34051f51c32948971ba435a9e8afba437e59. 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/7auZfNXqmFvlnHEkOoXWmV.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/7auZfNXqmFvlnHEkOoXWmV.
{"copyright_id":"0x1a7c8332340633a67ad63804009a0c30053006ff986ae47ccee3afaa7b2fd349","isrc":"GBAHS8504143","name":"Holding Back the Years","registered_at":"2026-06-08T11:50:53Z","spotify_id":"0tIQ40RWJyJVc3VZ9xwAJT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a7c8332340633a67ad63804009a0c30053006ff986ae47ccee3afaa7b2fd349. 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/0tIQ40RWJyJVc3VZ9xwAJT.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/0tIQ40RWJyJVc3VZ9xwAJT.
{"copyright_id":"0xfac501c97e1d86225b866d3c66119cf5a04cecddf673eeffbb03f62b73036e17","isrc":"GBCRL0800118","name":"Money's Too Tight - 2008 Remaster","registered_at":"2026-06-09T08:06:09Z","spotify_id":"1pCSKu11bFBzXqMuL1hkJ1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfac501c97e1d86225b866d3c66119cf5a04cecddf673eeffbb03f62b73036e17. 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/1pCSKu11bFBzXqMuL1hkJ1.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/1pCSKu11bFBzXqMuL1hkJ1.
{"copyright_id":"0x1a7c8332340633a67ad63804009a0c30053006ff986ae47ccee3afaa7b2fd349","isrc":"GBAHS8504143","name":"Holding Back the Years","registered_at":"2026-06-08T11:50:53Z","spotify_id":"5AncckXEMrN730liEEGG1p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a7c8332340633a67ad63804009a0c30053006ff986ae47ccee3afaa7b2fd349. 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/5AncckXEMrN730liEEGG1p.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/5AncckXEMrN730liEEGG1p.
Money's Too Tight - To Mention [2008 Remastered Version]
{"copyright_id":"0x4529e5615e7095af5868404352a5f7f904b35a63b3deefe1671029fa64d7e94f","isrc":"GBCRL0800631","name":"Money's Too Tight - To Mention [2008 Remastered Version]","registered_at":"2026-06-19T07:48:17Z","spotify_id":"0BUfRsE1xYdlBLRrFc8vrP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4529e5615e7095af5868404352a5f7f904b35a63b3deefe1671029fa64d7e94f. 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/0BUfRsE1xYdlBLRrFc8vrP.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/0BUfRsE1xYdlBLRrFc8vrP.
{"copyright_id":"0x6440744025265da8ab34a61a33814e2a556d53bf61ae7f89dc2df8e062d7c725","isrc":"GBCRL0800119","name":"Holding Back the Years","registered_at":"2026-06-17T03:28:51Z","spotify_id":"4W0NMds4p8sMbSP7TRaheZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6440744025265da8ab34a61a33814e2a556d53bf61ae7f89dc2df8e062d7c725. 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/4W0NMds4p8sMbSP7TRaheZ.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/4W0NMds4p8sMbSP7TRaheZ.