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 0x81f2b4946c024c38a5ace16524cac0053ac32eae507a03cffa16d91cb1843c9c. 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/a1f7c74a-a851-4f04-be8c-f0226c737084.json and https://artists.proofprofile.net/proofs/artist/a1f7c74a-a851-4f04-be8c-f0226c737084.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2","isrc":"GBUM72002246","name":"Ticket To Ride","registered_at":"2026-06-19T16:53:17Z","spotify_id":"3rl0my8y2hQ5hsvY4eb2F8","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 0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rl0my8y2hQ5hsvY4eb2F8.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/3rl0my8y2hQ5hsvY4eb2F8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ff9059602ba07511981454f145152db3b0e36d62a4efdb30804eaa2949e700. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2tNGLZLYpG7LUc8PuBXAb6.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/2tNGLZLYpG7LUc8PuBXAb6.
{"copyright_id":"0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2","isrc":"GBUM72002246","name":"Ticket To Ride","registered_at":"2026-06-19T16:53:17Z","spotify_id":"4XVwClyVGIcwIiN3xJGi5M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2. 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/4XVwClyVGIcwIiN3xJGi5M.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/4XVwClyVGIcwIiN3xJGi5M.
{"copyright_id":"0xbc4dfa53c427635cfcf502fe3e8ce201ced01e15c780b7b017558b0fa81b451b","isrc":"GBUM72100058","name":"Ticket To Ride - Paradise Version","registered_at":"2026-06-21T08:28:27Z","spotify_id":"2DCVfTbUQM4IYtZkNE3vV6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4dfa53c427635cfcf502fe3e8ce201ced01e15c780b7b017558b0fa81b451b. 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/2DCVfTbUQM4IYtZkNE3vV6.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/2DCVfTbUQM4IYtZkNE3vV6.
Ticket To Ride - Live From Paradise Heights
{"copyright_id":"0x5236352a24fbb9945ec0348b80bd88d77b460e24873a5a1d8b8febe8f25d09d6","isrc":"GBUM72105265","name":"Ticket To Ride - Live From Paradise Heights","registered_at":"2026-06-20T00:56:22Z","spotify_id":"2WZeFmfuUcbFexY8Y1bgJ1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5236352a24fbb9945ec0348b80bd88d77b460e24873a5a1d8b8febe8f25d09d6. 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/2WZeFmfuUcbFexY8Y1bgJ1.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/2WZeFmfuUcbFexY8Y1bgJ1.
{"copyright_id":"0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2","isrc":"GBUM72002246","name":"Ticket To Ride","registered_at":"2026-06-19T16:53:17Z","spotify_id":"5ztgtTXoMtEkwh53tkJtgM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ztgtTXoMtEkwh53tkJtgM.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/5ztgtTXoMtEkwh53tkJtgM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ff9059602ba07511981454f145152db3b0e36d62a4efdb30804eaa2949e700. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jeXuPuDqXDn2dUwRR0Kzs.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/0jeXuPuDqXDn2dUwRR0Kzs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34585d229baef220fd20796dec2d6e4f9ab94c523d05493f8838f338016fdd1e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7lCacLmb5Vd0eEnseeqckp.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/7lCacLmb5Vd0eEnseeqckp.
Make A Difference (Live From HERE @ Outernet)
Make A Difference - Live From HERE @ Outernet
{"copyright_id":"0xb5f9e8c87a6fe01031f350e268dba50fe5eed8a4ab843189aea5d8107e7399a3","isrc":"UK9AV2302149","name":"Circular Motion","registered_at":"2026-06-12T02:15:50Z","spotify_id":"0RDlYzSmBGRcCJcRVWpWim","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f9e8c87a6fe01031f350e268dba50fe5eed8a4ab843189aea5d8107e7399a3. 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/0RDlYzSmBGRcCJcRVWpWim.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/0RDlYzSmBGRcCJcRVWpWim.
{"copyright_id":"0xb5f9e8c87a6fe01031f350e268dba50fe5eed8a4ab843189aea5d8107e7399a3","isrc":"UK9AV2302149","name":"Circular Motion","registered_at":"2026-06-12T02:15:50Z","spotify_id":"6azGcf8siJi48N2klMXSjT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f9e8c87a6fe01031f350e268dba50fe5eed8a4ab843189aea5d8107e7399a3. 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/6azGcf8siJi48N2klMXSjT.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/6azGcf8siJi48N2klMXSjT.
{"copyright_id":"0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2","isrc":"GBUM72002246","name":"Ticket To Ride","registered_at":"2026-06-19T16:53:17Z","spotify_id":"66CQTirp1d4QZg2f08hsaR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c79c42f8e2bacb6d960224ca9b8b7c776cb1cab86061eb861e9b29b2f4bff2. 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/66CQTirp1d4QZg2f08hsaR.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/66CQTirp1d4QZg2f08hsaR.