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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14be92949b9ca7c8bc3c545e7bbe14ae7eb426ba27ce33b72aec5926de9b3e1. 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/67105354-c802-4936-b28f-29ba4b7930ff.json and https://artists.proofprofile.net/proofs/artist/67105354-c802-4936-b28f-29ba4b7930ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
J'entends des voix qui ont mauvaise haleine
On ne mange pas la choucroute de Veronica
El Somni és tan bonic (feat. Xarim Aresté)
La vida secreta de les formigues - Remastered
Concepte General De La Quincalla Catalana