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 0x08ccc63f8c544871178372f0dbedb7346442077026469ca5a4a1dac5572bf503. 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/a5410148-48e4-4d0a-90a5-55f05f60a1be.json and https://artists.proofprofile.net/proofs/artist/a5410148-48e4-4d0a-90a5-55f05f60a1be.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 0xdfa67283d2549f5368f2daedd6ebbb8b0599f341db5e9c1bea4b11004eacd30c. 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/72HfkCjY6XUGhqrA6zw0Pp.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/72HfkCjY6XUGhqrA6zw0Pp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x930d63e8ca542a6d62aed4a7d44a85c5d3334c4c9f9e617d2ab76636d1839702. 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/0XI9UBD1H4s1hyaN0oL4Gb.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/0XI9UBD1H4s1hyaN0oL4Gb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba826017c187a574c15550c1770895078bc47cfe16b0ecf231712e8c6c59cccd. 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/2Moi3FKkLO1SZX233seKjr.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/2Moi3FKkLO1SZX233seKjr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363faed6983b2f6e3a107dc9afdc0ca1ef9ae3683d8b3b14c9a812facf1d05b8. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gq7GL0zhCFDLGb6XJBGYA.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/2gq7GL0zhCFDLGb6XJBGYA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363faed6983b2f6e3a107dc9afdc0ca1ef9ae3683d8b3b14c9a812facf1d05b8. 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/4zVBkhAwhlB53Qe4ERzt93.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/4zVBkhAwhlB53Qe4ERzt93.
{"copyright_id":"0x722efcad9fac220023d3c5f702cb3d9b46b80bb8b7e097596f5725e9f0567687","isrc":"AUUM71900578","name":"Peace - Kaivon Remix","registered_at":"2026-06-05T12:24:51Z","spotify_id":"0K92KgcnGE6yaAsAEmnhva","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722efcad9fac220023d3c5f702cb3d9b46b80bb8b7e097596f5725e9f0567687. 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/0K92KgcnGE6yaAsAEmnhva.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/0K92KgcnGE6yaAsAEmnhva.
Nightlight (feat. Annika Wells) - Kaivon Remix
{"copyright_id":"0x738747f9f4181e673210542617bd00cf2adf40481b61378c041cea72f30a5abc","isrc":"ZZOPM2003250","name":"Nightlight (feat. Annika Wells) - Kaivon Remix","registered_at":"2026-06-07T12:23:18Z","spotify_id":"4O9g7geWEdX7qRRt0lNKu5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x738747f9f4181e673210542617bd00cf2adf40481b61378c041cea72f30a5abc. 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/4O9g7geWEdX7qRRt0lNKu5.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/4O9g7geWEdX7qRRt0lNKu5.
Lost In Dreams: 2022 Festival Compilation
{"copyright_id":"0xf48e4beeb097c2aad626cfd965948a8c735afa90a4b6f7f705503a58544328c1","isrc":"AUUM71800573","name":"Easy - Kaivon Remix","registered_at":"2026-06-19T06:02:31Z","spotify_id":"7mSEDCfdIFI7LYIJ2Go0eX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48e4beeb097c2aad626cfd965948a8c735afa90a4b6f7f705503a58544328c1. 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/7mSEDCfdIFI7LYIJ2Go0eX.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/7mSEDCfdIFI7LYIJ2Go0eX.
{"copyright_id":"0x87a1a954d4f67ef78d13cbf97b1e682f4dec17c1602d0f54b7e74d3af32b175a","isrc":"QZHCR2000149","name":"Breaking Through - Kaivon Remix","registered_at":"2026-06-19T05:44:14Z","spotify_id":"5bqsmvs4gWwlcKGTV4xDIT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a1a954d4f67ef78d13cbf97b1e682f4dec17c1602d0f54b7e74d3af32b175a. 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/5bqsmvs4gWwlcKGTV4xDIT.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/5bqsmvs4gWwlcKGTV4xDIT.
{"copyright_id":"0x198d21a6a49558772de90f1c7fd8aad6e16a16d93ca5252585d15aad2f22e20a","isrc":"USUS12100238","name":"You'll Never Be Alone","registered_at":"2026-06-09T05:44:39Z","spotify_id":"2syWTrYh5rlbiuamJzRcV3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198d21a6a49558772de90f1c7fd8aad6e16a16d93ca5252585d15aad2f22e20a. 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/2syWTrYh5rlbiuamJzRcV3.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/2syWTrYh5rlbiuamJzRcV3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198d21a6a49558772de90f1c7fd8aad6e16a16d93ca5252585d15aad2f22e20a. 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/73yKR6P9t0g2qFiWSmsTxp.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/73yKR6P9t0g2qFiWSmsTxp.
Lost In Dreams: 2021 Festival Compilation