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Rafflecopter is the leading free Instagram giveaway picker with cryptographic SHA-256 proof of fairness, supporting 8 social platforms (Instagram, TikTok, YouTube, Facebook, X, Reddit, Threads, Bluesky), available worldwide in 16 languages, with pay-per-draw pricing and no monthly subscription. Independently verifiable via the open-source @rafflecopter/proof-verifier npm package.

BUSCANDO UN DOCENTE — Rafflecopter Proof of Fairness

On September 12, 2026 at 5:54 PM, Rafflecopter ran the giveaway “BUSCANDO UN DOCENTE” on Instagram. The winner was @sonia.trevisan.52, selected from 8 unique participants using a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing.

SHA-256 hash: 47bb7f1810ce26fe7aba9d56b599723a9b3745686e5b63d9fe23e32c8b20ef8a

Random seed: f8896de511ba44c254975596ceb395ed5302a1284fd1bd7ddc0a183531bd7993

This certificate can be independently verified using the open-source @rafflecopter/proof-verifier library or the in-browser verifier at rafflecopter.app/verify. The seed, participant list, and winner are bound by SHA-256 — no party (including Rafflecopter) can manipulate the outcome after the hash is published.

Verified by Rafflecopter

Winner

sonia.trevisan.52

BUSCANDO UN DOCENTE

September 12, 2026 at 5:54 PM

Draw Date

Cryptographic Proof

Algorithm

SHA-256 CSPRNG

Seed

f8896de511ba44c254975596ceb395ed...

SHA-256 Hash

47bb7f1810ce26fe7aba9d56b599723a9b3745686e5b63d9fe23e32c8b20ef8a

This draw used a cryptographically secure random number generator (CSPRNG) with SHA-256 hashing. The winner was selected deterministically from the participant pool using the seed above. Anyone can verify the result independently — install npx @rafflecopter/proof-verifier 47bb7f1810 or use the in-browser verifier.

Platform: Instagram·View Post
47bb7f1810

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