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Verify a decision

Every moderation decision on AVOID.NET is anchored to the Solana blockchain. You don't have to trust us — you can verify cryptographically that we committed to a verdict at a specific moment and have not rewritten it.

How verification works

  1. We commit. When a moderator accepts/rejects a submission, we serialize the decision into deterministic UTF-8 bytes (payload_canonical_string), hash it with SHA-256, encode the digest as base58, and write it to Solana inside an SPL Memo v2 transaction.
  2. We store the bytes. The exact bytes we hashed are stored alongside the decision in our database. Anyone can read them and recompute the hash in any language.
  3. You compare three values. Database hash, your independently-recomputed hash, and the hash inside the on-chain memo. If all three match, the decision is authentic and timestamped.
The on-chain memo format is AVOID.NET|v1|h:<b58-sha256>|d:<id>|t:<iso>

Find a signature on any investigation page's decision log, or run python -m src.verify_decision --signature <sig> for a CLI check.

Decision
review_approve · Chads NFT
View on Solana ↗
Sequence
#2
Score
38 → 38 (0)
Cluster
mainnet-beta
Slot
417878523
Off-chain at
2026-05-06T02:50:05.755Z
Anchored at
—
Block time
—

Independent verification

1. Database (off-chain)
DavD8JmTygw1X6c5rPq1zh1pGWrD58VhRtaMzkGos9Um
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (729 chars)
{"actor":"judge","decided_at":"2026-05-06T02:50:05.583Z","decision":"review_approve","investigation_id":"9715760a-4c06-43f1-92f0-bdef0b5caee3","new_score":38,"page_slug":"chads-nft","prev_score":38,"reason":"All 25 claims checked by the reviewer: 22 confirmed outright, 2 partially supported due to minor live-data variance (market cap $168K vs $173K, owner count 1291 vs 1289) and a legal nuance (one Undead Apes defendant was convicted by jury, not plea). Zero claims disputed. The investigation is well-sourced, factually accurate, and appropriately caveated where uncertainty exists.","score_delta":0,"sequence_num":2,"submission_content_hash":null,"submission_id":null,"submission_kind":null,"submission_valence":null,"v":1}