1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x7d1e9d0329c7ad38469a74f34c243f622535af993956a0b257cc1df798b34ee4. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5d43db9-ab43-4dd5-abe7-4c9d21e6012f.json and https://artists.proofprofile.net/proofs/artist/b5d43db9-ab43-4dd5-abe7-4c9d21e6012f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I've been losing sleep lately, thinkin about you.
there is no end to time gained and wasted.
to the days that you still held me in your arms.
time waits, for so long as you have the patience