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 0x12e13751bc0186f581a5b5c96e79bf63a1d5a5d9b9158cff9fe6de6e25ef82fd. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d327f8d-f429-49ca-8ad3-7a15516cf444.json and https://artists.proofprofile.net/proofs/artist/1d327f8d-f429-49ca-8ad3-7a15516cf444.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Spirit of Summer - ActiveBlaze Remix
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