Fernando Ferreira
type: MusicGroup
genre: drum and bass
genre: liquid funk
description: Fernando Ferreira can refer to: Fernando Ferreira (boccia), Portuguese Paralympic medalist in boccia Fernando Ferreira (cyclist) (born 1952), Portuguese cyclist Fernando Ferreira (footballer) (bor
popularity: 3
followers: 66
additional property: CopyrightID
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3626d33fc251ef5ae773642e33e9a356c79d4814fa636d3d249d09aef6d76cb. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5b7b7f9-d97e-405b-92bd-cd777f8c5756.json and https://artists.proofprofile.net/proofs/artist/a5b7b7f9-d97e-405b-92bd-cd777f8c5756.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
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