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 0x563793b096daffa4d913a9056fef22cc11f78d6e1583eb2485f52110f95c7b62. 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/307d8874-afbf-41cd-b33b-2f898ff4bbee.json and https://artists.proofprofile.net/proofs/artist/307d8874-afbf-41cd-b33b-2f898ff4bbee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hercules (Original Motion Picture Soundtrack)
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 0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4. 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/4zDfgax6Ihb0UWdour1ZEs.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/4zDfgax6Ihb0UWdour1ZEs.
The Gospel Truth I / Main Titles - Hercules
{"copyright_id":"0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366","isrc":"USWD10423475","name":"The Gospel Truth I / Main Titles - Hercules","registered_at":"2026-06-01T17:12:03Z","spotify_id":"6uW03WHG3qv2FzxPIW6SUP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366. 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/6uW03WHG3qv2FzxPIW6SUP.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/6uW03WHG3qv2FzxPIW6SUP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d520c1405b2f924f699394802724ef24d5f1470596be04dcdf1e2e0e7d9607. 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/64Eug7tFE4KWJNQUE73BGe.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/64Eug7tFE4KWJNQUE73BGe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba3b8b344ac5099109ab15d1a521b9e1635196b4a5b4422c98340bac06a7561. 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/7f0U9m3XLABHS36uUeV8JU.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/7f0U9m3XLABHS36uUeV8JU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a88fa7a632823920400a6b08387840a77c5c8f345ad388286d00f69463b6c0. 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/0Vx07Bg7XsEFk9jBRotQBu.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/0Vx07Bg7XsEFk9jBRotQBu.
The Gospel Truth I / Main Titles - Hercules - From "Hercules" / Soundtrack Version
{"copyright_id":"0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366","isrc":"USWD10423475","name":"The Gospel Truth I / Main Titles - Hercules - From \"Hercules\" / Soundtrack Version","registered_at":"2026-06-01T17:12:02Z","spotify_id":"2cF9W802SjPUiBkj3ymvI9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366. 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/2cF9W802SjPUiBkj3ymvI9.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/2cF9W802SjPUiBkj3ymvI9.
Zero To Hero - From "Hercules" / Soundtrack Version
{"copyright_id":"0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4","isrc":"USWD10322246","name":"Zero To Hero - From \"Hercules\" / Soundtrack Version","registered_at":"2026-06-01T13:40:33Z","spotify_id":"7dLUn1VT1rrtcrZWzTOH5P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4. 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/7dLUn1VT1rrtcrZWzTOH5P.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/7dLUn1VT1rrtcrZWzTOH5P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4. 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/4rx3avTbxbls8GE0fbHLtb.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/4rx3avTbxbls8GE0fbHLtb.
Hercules (Original Motion Picture Soundtrack/Bonus Track Version)
{"copyright_id":"0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366","isrc":"USWD10423475","name":"The Gospel Truth I / Main Titles - Hercules","registered_at":"2026-06-01T17:12:02Z","spotify_id":"1ZBlNevHWRfbiXhOMwviYe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079f765c8cb4af2341dd7f83fecb9907360cfe0c24f0bf3d01b3b0b223ba6366. 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/1ZBlNevHWRfbiXhOMwviYe.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/1ZBlNevHWRfbiXhOMwviYe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba3b8b344ac5099109ab15d1a521b9e1635196b4a5b4422c98340bac06a7561. 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/3bTdYw6SM1vkght8o7XPXR.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/3bTdYw6SM1vkght8o7XPXR.
{"copyright_id":"0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4","isrc":"USWD10322246","name":"Zero To Hero","registered_at":"2026-06-03T05:34:56Z","spotify_id":"4zolucjtFImLJjMApnjoet","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4. 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/4zolucjtFImLJjMApnjoet.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/4zolucjtFImLJjMApnjoet.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d520c1405b2f924f699394802724ef24d5f1470596be04dcdf1e2e0e7d9607. 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/6cLZAx9Q9ZIa0oeLPkSLRM.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/6cLZAx9Q9ZIa0oeLPkSLRM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a88fa7a632823920400a6b08387840a77c5c8f345ad388286d00f69463b6c0. 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/2z1SQEu0XsckL2dCZOBTAG.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/2z1SQEu0XsckL2dCZOBTAG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c895700d287d0b2d034d28175776eb7afba7a521ee414a9ed710509b5d2fa4. 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/1tvHzfn0ygByQGgNOlvXHY.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/1tvHzfn0ygByQGgNOlvXHY.
Adventure Time: Fionna and Cake - Season 1 (Soundtrack from the Animated Series)
{"copyright_id":"0x1fc1fa2a943ffee7d60f74518f8c1d7bcc8eaadec46995de082d861137f8e8ab","isrc":"USNLR2301407","name":"Cake on the Loose (feat. Roz Ryan)","registered_at":"2026-06-08T13:42:36Z","spotify_id":"15d3xk7nSyfja0MyLny4uq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc1fa2a943ffee7d60f74518f8c1d7bcc8eaadec46995de082d861137f8e8ab. 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/15d3xk7nSyfja0MyLny4uq.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/15d3xk7nSyfja0MyLny4uq.