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 0x4d219de4a9d3ad26394bd3306d4ee85ea0f51fd54959312385985f5719da2a01. 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/34836d53-6252-40bb-b306-cb3670f30682.json and https://artists.proofprofile.net/proofs/artist/34836d53-6252-40bb-b306-cb3670f30682.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x74cac17d6b90c8ea89e3d892dbe5b9680402164ab16b1f5460fa821c28f2ee1f","isrc":"USGOT0406067","name":"The One I'm Waiting For","registered_at":"2026-06-05T07:56:18Z","spotify_id":"4AHjkuSZoVEnVPQCypQqXL","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 0x74cac17d6b90c8ea89e3d892dbe5b9680402164ab16b1f5460fa821c28f2ee1f. 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/4AHjkuSZoVEnVPQCypQqXL.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/4AHjkuSZoVEnVPQCypQqXL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128aa98678a5bf26317324798148e0f1477b59fb8651d402e3faab0ed173e24b. 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/3Y9Viu51MzcTMTGPDeX5AQ.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/3Y9Viu51MzcTMTGPDeX5AQ.
{"copyright_id":"0xd2a6584b152243f918372ac4d2cc83aa7c060afd5a7c57f54bb4f593cda0bf36","isrc":"USGOT0406070","name":"I so Hate Consequences","registered_at":"2026-06-04T16:40:53Z","spotify_id":"6Ib0Z2y4UtiXcAFvbTjGUo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2a6584b152243f918372ac4d2cc83aa7c060afd5a7c57f54bb4f593cda0bf36. 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/6Ib0Z2y4UtiXcAFvbTjGUo.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/6Ib0Z2y4UtiXcAFvbTjGUo.
The Only Thing Worse Than Beating a Dead Horse Is Betting on One
{"copyright_id":"0xb1a5eba2e8a78edbcb28e2f3d3b468dff3d34a4619927877a495eacbabb3f90c","isrc":"USGOT0406071","name":"The Only Thing Worse Than Beating a Dead Horse Is Betting on One","registered_at":"2026-06-07T06:17:21Z","spotify_id":"7clZHDrM5xWuufIRh06fzh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a5eba2e8a78edbcb28e2f3d3b468dff3d34a4619927877a495eacbabb3f90c. 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/7clZHDrM5xWuufIRh06fzh.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/7clZHDrM5xWuufIRh06fzh.
{"copyright_id":"0xcbc8585566b496189ae9e2a18edfd264b206f777fa357296896ea5d4e6fb362a","isrc":"USGOT0406072","name":"My Girl's Ex-Boyfriend","registered_at":"2026-06-05T20:59:32Z","spotify_id":"1VedGMBsKJ7bsg30edx4tq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc8585566b496189ae9e2a18edfd264b206f777fa357296896ea5d4e6fb362a. 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/1VedGMBsKJ7bsg30edx4tq.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/1VedGMBsKJ7bsg30edx4tq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fc868b100c2c38e68d80293078f6aa4a8d5acd7150d92e4ce6e51383b420cc. 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/7M5ayBS9bUut1JX1Ym3vn6.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/7M5ayBS9bUut1JX1Ym3vn6.
{"copyright_id":"0x0e319967a3c74c616534b70067606e12a0680beac3b3e70cf31be686b8dab3f4","isrc":"USGOT0406074","name":"Which to Bury; Us or the Hatchet?","registered_at":"2026-06-04T16:37:11Z","spotify_id":"6BWLcSdnfewflgO6x1V73p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e319967a3c74c616534b70067606e12a0680beac3b3e70cf31be686b8dab3f4. 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/6BWLcSdnfewflgO6x1V73p.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/6BWLcSdnfewflgO6x1V73p.
{"copyright_id":"0xa3d33dc3e6eb80868b87ad507d0fe4a8c8e299e06d2a337b69cf34c79b5d37ea","isrc":"USGOT0406075","name":"Let It All Out","registered_at":"2026-06-07T05:43:14Z","spotify_id":"0adMu6KV0XZcSJ1NtRzARu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d33dc3e6eb80868b87ad507d0fe4a8c8e299e06d2a337b69cf34c79b5d37ea. 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/0adMu6KV0XZcSJ1NtRzARu.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/0adMu6KV0XZcSJ1NtRzARu.
{"copyright_id":"0x9e06e3e80d06e269a0bcfd890a687dda07d0bfb55397eeaf115a3157efbf3c43","isrc":"USGOT0406076","name":"Who I Am Hates Who I've Been","registered_at":"2026-06-04T07:05:19Z","spotify_id":"36EXQbkUL5PpT0zS9Tr7UT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e06e3e80d06e269a0bcfd890a687dda07d0bfb55397eeaf115a3157efbf3c43. 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/36EXQbkUL5PpT0zS9Tr7UT.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/36EXQbkUL5PpT0zS9Tr7UT.
{"copyright_id":"0x70c7f204a3f4765a68ceb018f93765fc84a6de0e03fe84ff7dbc149410bc2a5a","isrc":"USGOT0406077","name":"Maintain Consciousness","registered_at":"2026-06-06T22:29:48Z","spotify_id":"4zolsE6kr0UMeWVO8aws6A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c7f204a3f4765a68ceb018f93765fc84a6de0e03fe84ff7dbc149410bc2a5a. 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/4zolsE6kr0UMeWVO8aws6A.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/4zolsE6kr0UMeWVO8aws6A.
{"copyright_id":"0x7bf4282afac1515efb29e73367471aa9a31bd596653c34f8c15c2665403cfa95","isrc":"USGOT0406078","name":"This Week the Trend","registered_at":"2026-06-06T09:16:10Z","spotify_id":"4Z6miNoMkd1QAqOdlHaBzn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf4282afac1515efb29e73367471aa9a31bd596653c34f8c15c2665403cfa95. 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/4Z6miNoMkd1QAqOdlHaBzn.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/4Z6miNoMkd1QAqOdlHaBzn.
{"copyright_id":"0x359be5948387307ad5a5ff4dbb5cd197bd6978184bbcbef5abaafb528123789b","isrc":"USGOT0406079","name":"Life After Death and Taxes (Failure II)","registered_at":"2026-06-07T06:14:36Z","spotify_id":"6UMB280AIuWPhbcvTVGbqp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x359be5948387307ad5a5ff4dbb5cd197bd6978184bbcbef5abaafb528123789b. 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/6UMB280AIuWPhbcvTVGbqp.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/6UMB280AIuWPhbcvTVGbqp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0edf20bad1f28612e33ac94d7e258e6bd747c4154aef18855c6920a43069481. 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/2TGPs2ypgQV7XvjT9mxTgs.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/2TGPs2ypgQV7XvjT9mxTgs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87e3036524ff0aa7b3522d34ba4a92fb46a63078c97a5566da2830b847021ae. 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/5eK5xQl8EGzR5zYkxaDCAn.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/5eK5xQl8EGzR5zYkxaDCAn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019ef7cf17ca15635a74623bb0eed3b3491303ff210052f12620e8a3abe3e8cb. 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/76mhQ4AQiFQcqX3KrRFSsZ.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/76mhQ4AQiFQcqX3KrRFSsZ.
{"copyright_id":"0x7149e2b5f1f707add49155478427e0d01d6c6a7bf86554176b8d6445b2225a6f","isrc":"USGOT0700107","name":"I Celebrate The Day - Digital Single","registered_at":"2026-06-09T06:38:03Z","spotify_id":"1F8ssdXRHkQDmbErUhxvLm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7149e2b5f1f707add49155478427e0d01d6c6a7bf86554176b8d6445b2225a6f. 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/1F8ssdXRHkQDmbErUhxvLm.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/1F8ssdXRHkQDmbErUhxvLm.
{"copyright_id":"0x3223893eb1f0ed54d41fea9c5f3116ff26879c5870b93d1006c9d3eb0823df3d","isrc":"USUM71711840","name":"Can't Wait For Christmas","registered_at":"2026-06-09T06:20:39Z","spotify_id":"2biTGTWFSVvbD2IEYUqQws","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3223893eb1f0ed54d41fea9c5f3116ff26879c5870b93d1006c9d3eb0823df3d. 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/2biTGTWFSVvbD2IEYUqQws.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/2biTGTWFSVvbD2IEYUqQws.
{"copyright_id":"0xbaaf58faa3b14bcf9a8339bc1acb8ceeb315df11e4d1c345f6c70e5d71b7f89f","isrc":"US5260709812","name":"Who I Am Hates Who I've Been","registered_at":"2026-06-09T16:28:38Z","spotify_id":"6O64QIxf71HDXadotgqPAz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaaf58faa3b14bcf9a8339bc1acb8ceeb315df11e4d1c345f6c70e5d71b7f89f. 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/6O64QIxf71HDXadotgqPAz.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/6O64QIxf71HDXadotgqPAz.