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 0x04b85c8c988811f413a15622ad493c795b43a4541bfd1ba56391e760661da921. 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/6aa17d25-6072-4eff-9727-b749711e75fd.json and https://artists.proofprofile.net/proofs/artist/6aa17d25-6072-4eff-9727-b749711e75fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
All That (feat. The Godfather & OnFully)
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 0x221bf66147da222fb35d27d5237398283ea60d140e144038b0cb4525d22f0151. 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/2E0xSypsBH5KNyYJGBa7r3.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/2E0xSypsBH5KNyYJGBa7r3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221bf66147da222fb35d27d5237398283ea60d140e144038b0cb4525d22f0151. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7h0cuLqYUQQGMlLc1hT8uK.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/7h0cuLqYUQQGMlLc1hT8uK.
Real Vicious (feat. Roadrunner Glockboyz Tez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb7963304f4267dec94df38b54f5e2d5d6921accd041106a9f8975529ef103f. 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/75GY3qLLwb6Qkx7YxF5fQa.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/75GY3qLLwb6Qkx7YxF5fQa.
Coney Island (feat. Los & Nutty, Bandgang Javar, AK Bandamont, Glockboyz Teejaee, KrispyLife Kidd & Nuk)
{"copyright_id":"0xce2b5c0b4fb4604b2430365792ad24255a5067b9951dc80edec485551f7dae5a","isrc":"USUYG1509885","name":"Coney Island (feat. Los & Nutty, Bandgang Javar, AK Bandamont, Glockboyz Teejaee, KrispyLife Kidd & Nuk)","registered_at":"2026-06-06T09:14:07Z","spotify_id":"4dv1BXrm80YEYYXzLz3ZpR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2b5c0b4fb4604b2430365792ad24255a5067b9951dc80edec485551f7dae5a. 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/4dv1BXrm80YEYYXzLz3ZpR.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/4dv1BXrm80YEYYXzLz3ZpR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c440a7ca18ea9cb4417870759461971262d194e2a656813e5c17c375c2b5665. 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/6CUmqYEGv8pPqXv9FZPSQt.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/6CUmqYEGv8pPqXv9FZPSQt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca23b208cbe90f491d1450792656504016e530a86d8ad8e91be88387971657b9. 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/3728AHtkykMD7wgANxONNS.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/3728AHtkykMD7wgANxONNS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51f036deeeab479102481f1bc0003d57a414a6ce95b63ba561e524df9dd49b4. 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/1DZZpuR6dOD8h3lYgbK8hz.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/1DZZpuR6dOD8h3lYgbK8hz.
{"copyright_id":"0x14ffc55b05bcdde7d515c023eca3846f6bdbf895e852b76f63e30922ddaa9cda","isrc":"QZW9K2341953","name":"No Passes","registered_at":"2026-06-20T02:21:33Z","spotify_id":"0JStI3bSvSCZlWl6ww45bb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14ffc55b05bcdde7d515c023eca3846f6bdbf895e852b76f63e30922ddaa9cda. 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/0JStI3bSvSCZlWl6ww45bb.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/0JStI3bSvSCZlWl6ww45bb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x979f632233bc5a0b1d856bc803f81055f009d749fd13a0046ce0c0596e6948b2. 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/73qUYrd6NnJQwEF8Iquhx3.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/73qUYrd6NnJQwEF8Iquhx3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x681a68657ebe3815ce3ee9231d739fed0fd0af19056ca4bf280ac5847603c74a. 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/15M27RoQ2gwho0kHw7cmFv.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/15M27RoQ2gwho0kHw7cmFv.