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 0x39f0fc31b4bbd8e2b78877a1e2e50b7b9958fb736113f60f233c082a499560db. 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/3aeadbdb-f1b5-4d70-8ab0-43dd98191808.json and https://artists.proofprofile.net/proofs/artist/3aeadbdb-f1b5-4d70-8ab0-43dd98191808.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x546e011ec4155ad30b6b7f1f1b01b5a77ec85f51704e4e30ce2ed677265ee0d5. 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/4EuaDcxHmHKS6gZ5iuGba0.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/4EuaDcxHmHKS6gZ5iuGba0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac3094afcadbf9cd749da9abb672e53d44f7abfba8a4a646748728c89d5d751. 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/178OI1A3qjROeFeh8lmNwW.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/178OI1A3qjROeFeh8lmNwW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d12f278320c36e4ba03f9c4c4cab6894ffa3a912a323e3a971691887350d245. 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/3fqwjXwUGN6vbzIwvyFMhx.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/3fqwjXwUGN6vbzIwvyFMhx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d00113d79925c14bdb93a49dcd808ae2f9702429624a15280151e46a2edb4a. 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/7MSWxMumjz6lHj7oRApNbg.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/7MSWxMumjz6lHj7oRApNbg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7938720be95375e13be0b33ff07c4898619d17852d2216eda603a64eebd362b. 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/68JS5SFTnW5Yv9Vzw81Jf0.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/68JS5SFTnW5Yv9Vzw81Jf0.
Last Thing I Needed, First Thing This Morning
{"copyright_id":"0x6c4721ff00b9cf9a2d5aec487e2a28709c85ed7137f1ec1e3c80cc6fb9bd998d","isrc":"USUM71701974","name":"Last Thing I Needed, First Thing This Morning","registered_at":"2026-06-04T07:07:53Z","spotify_id":"3yju5QYFjndmGvaG2wVvPv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4721ff00b9cf9a2d5aec487e2a28709c85ed7137f1ec1e3c80cc6fb9bd998d. 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/3yju5QYFjndmGvaG2wVvPv.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/3yju5QYFjndmGvaG2wVvPv.
I Bet You Think About Me (feat. Chris Stapleton) (Taylor’s Version) (From The Vault)
{"copyright_id":"0x1e10a96b9770f39e2c88eba92ae00614bb50e6db0def60afcf3c938c9e3762d4","isrc":"USUG12103686","name":"I Bet You Think About Me (feat. Chris Stapleton) (Taylor’s Version) (From The Vault)","registered_at":"2026-06-01T06:47:12Z","spotify_id":"4CkgMiMqZ5JzW9iYXSTMTL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e10a96b9770f39e2c88eba92ae00614bb50e6db0def60afcf3c938c9e3762d4. 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/4CkgMiMqZ5JzW9iYXSTMTL.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/4CkgMiMqZ5JzW9iYXSTMTL.
Only Thing That’s Gone (feat. Chris Stapleton)
{"copyright_id":"0x48da59d53cc56dd9980798277ddec0becbd91cb839ea18984b1c59614855c4cd","isrc":"USUG12004205","name":"Only Thing That’s Gone (feat. Chris Stapleton)","registered_at":"2026-06-01T05:59:22Z","spotify_id":"0CfPMZ1DSdzglsMRpLDM2H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48da59d53cc56dd9980798277ddec0becbd91cb839ea18984b1c59614855c4cd. 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/0CfPMZ1DSdzglsMRpLDM2H.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/0CfPMZ1DSdzglsMRpLDM2H.
{"copyright_id":"0x3bd98a75ddae2e6fe3c9ccf0ef92470ab225006ef970a1214a465b9b1283d520","isrc":"USRC11703503","name":"Say Something (feat. Chris Stapleton)","registered_at":"2026-06-01T06:35:31Z","spotify_id":"1LhMopPAallLeaeNutqbgS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd98a75ddae2e6fe3c9ccf0ef92470ab225006ef970a1214a465b9b1283d520. 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/1LhMopPAallLeaeNutqbgS.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/1LhMopPAallLeaeNutqbgS.
Roll Me Up and Smoke Me When I Die - Live
{"copyright_id":"0x49d2f7c4312aa560d885a6b0df291f6c5ca36359b581f588047f4360218e83d4","isrc":"QZ7KM2000069","name":"Roll Me Up and Smoke Me When I Die - Live","registered_at":"2026-06-01T15:15:33Z","spotify_id":"5iis9J2sptrUy0VIpFVIg1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d2f7c4312aa560d885a6b0df291f6c5ca36359b581f588047f4360218e83d4. 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/5iis9J2sptrUy0VIpFVIg1.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/5iis9J2sptrUy0VIpFVIg1.
{"copyright_id":"0x48da59d53cc56dd9980798277ddec0becbd91cb839ea18984b1c59614855c4cd","isrc":"USUG12004205","name":"Only Thing That’s Gone (feat. Chris Stapleton)","registered_at":"2026-06-03T01:16:47Z","spotify_id":"4RuNKwejhQSChYaNgfosEg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48da59d53cc56dd9980798277ddec0becbd91cb839ea18984b1c59614855c4cd. 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/4RuNKwejhQSChYaNgfosEg.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/4RuNKwejhQSChYaNgfosEg.
{"copyright_id":"0x84a14d5ee8d2e5f5fd6b047f4bcf7e3b0ef8612171c105f080d2e7e1030ad9a1","isrc":"USRC12204199","name":"Just Say I'm Sorry","registered_at":"2026-06-04T09:11:54Z","spotify_id":"4IkRWwHIfJQMPuG2UJM3Hy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a14d5ee8d2e5f5fd6b047f4bcf7e3b0ef8612171c105f080d2e7e1030ad9a1. 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/4IkRWwHIfJQMPuG2UJM3Hy.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/4IkRWwHIfJQMPuG2UJM3Hy.
Sheryl: Music From The Feature Documentary
{"copyright_id":"0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f","isrc":"USLXJ1943014","name":"Tell Me When It’s Over","registered_at":"2026-06-04T04:55:58Z","spotify_id":"238b9C3CniInRyuqmuhWLV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f. 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/238b9C3CniInRyuqmuhWLV.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/238b9C3CniInRyuqmuhWLV.
You Are My Sunshine - Southern Family Remix
Good Morning! Old School Country Music to start your Day
{"copyright_id":"0x84a14d5ee8d2e5f5fd6b047f4bcf7e3b0ef8612171c105f080d2e7e1030ad9a1","isrc":"USRC12204199","name":"Just Say I'm Sorry","registered_at":"2026-06-04T09:11:54Z","spotify_id":"3opqYjloPGrJDlBjFGoWtU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a14d5ee8d2e5f5fd6b047f4bcf7e3b0ef8612171c105f080d2e7e1030ad9a1. 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/3opqYjloPGrJDlBjFGoWtU.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/3opqYjloPGrJDlBjFGoWtU.
{"copyright_id":"0x68fbd4a46c3924179e667ca8f709eadd66dad5d334ca536bb685c0235a711d2f","isrc":"USRC11900304","name":"Love Me Anyway (feat. Chris Stapleton)","registered_at":"2026-06-04T07:23:27Z","spotify_id":"0pwdJLLVxlJa1lnR9UeMZY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68fbd4a46c3924179e667ca8f709eadd66dad5d334ca536bb685c0235a711d2f. 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/0pwdJLLVxlJa1lnR9UeMZY.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/0pwdJLLVxlJa1lnR9UeMZY.
Threads (Big Machine Radio Release Special)
{"copyright_id":"0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f","isrc":"USLXJ1943014","name":"Tell Me When It’s Over","registered_at":"2026-06-04T04:55:58Z","spotify_id":"5nFbTEw3s1SUhoGCpBiZNF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f. 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/5nFbTEw3s1SUhoGCpBiZNF.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/5nFbTEw3s1SUhoGCpBiZNF.
{"copyright_id":"0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f","isrc":"USLXJ1943014","name":"Tell Me When It’s Over","registered_at":"2026-06-04T04:55:58Z","spotify_id":"4hx9NTugoBdIG8MkAi2fzI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f. 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/4hx9NTugoBdIG8MkAi2fzI.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/4hx9NTugoBdIG8MkAi2fzI.
{"copyright_id":"0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f","isrc":"USLXJ1943014","name":"Tell Me When It’s Over","registered_at":"2026-06-04T04:55:58Z","spotify_id":"0E5qWMuPzjkPuZ0OdJZBDk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22017018c107925df4b6eaa62d9ef92c924cfaf090daa153504fee0474192a2f. 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/0E5qWMuPzjkPuZ0OdJZBDk.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/0E5qWMuPzjkPuZ0OdJZBDk.