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 0xb250c2938c5ac24014cfc303bfc5a90f53a5897b7c9c2e7bccee10e02da64721. 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/7eb3a105-5ba9-49e4-bd1f-74d11582ad69.json and https://artists.proofprofile.net/proofs/artist/7eb3a105-5ba9-49e4-bd1f-74d11582ad69.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 0xfcb2d3235b4739e5c6afbdf6bc954e62be351c3933d3d67162e4b3d663317e6d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3H60IBU16RBgpqjqwYIVQY.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/3H60IBU16RBgpqjqwYIVQY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1641d548ca2942ff9bffeb6e68a15a4b63d7e67861ffdd95153c6a31c9b6a2f. 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/5aMz8SdGcpaPV0prihfxb8.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/5aMz8SdGcpaPV0prihfxb8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db7954f98e155c29508f6a496e6bccbc35f815b3aa5a62b34810212e515f079. 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/4LYVHW4yfnMP3YZ4ICKma2.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/4LYVHW4yfnMP3YZ4ICKma2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66865ee7c94157dc5bdf2e146b08570aa536a8711d232f466314c96f0e5c6f29. 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/4kMwUJiG029ZwmGAeW07zQ.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/4kMwUJiG029ZwmGAeW07zQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdcdf0a76a14dbe82ac2e901a75311a8629b40caa7f80f0be94b2e69fd9bcf96. 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/1sDH8ZeXG96BrUvKCxjr6Y.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/1sDH8ZeXG96BrUvKCxjr6Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b368b0891fd9602aaf908f1ed623525a13af43bab8a7c45b7854be2e120bde. 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/5pEbK3xNYFpMrWPaKUPOGZ.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/5pEbK3xNYFpMrWPaKUPOGZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a87d7e91812828cf0b2219bbde997c19a2b4c63eddec32d09aee56a307e08f3. 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/1GryyP26STGwsRBnEkNzym.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/1GryyP26STGwsRBnEkNzym.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddeeef01c8e0dc3b0948ae4195b6be06dbb9e715794ca1113081ef1b360b072e. 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/4EpDQrNq0L4FcupCK3IQyK.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/4EpDQrNq0L4FcupCK3IQyK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cd2d41f4d0f125df9d2778394a0ce5d18883b8b39119059ea6f387afc29304. 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/7BHRk1WGpE59GYC3AJ3yjQ.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/7BHRk1WGpE59GYC3AJ3yjQ.
Gary D. Pres. D.Trance, Vol. 4-6 (Platinuum Remastered)