Pith Number

pith:NH4KH3L5

pith:2025:NH4KH3L5C6RXWKB7YSX6D77DOA

not attested not anchored not stored refs pending

Optimus: A Robust Defense Framework for Mitigating Toxicity while Fine-Tuning Conversational AI

Aravind Cheruvu, Bimal Viswanath, Daphne Yao, Murtuza Jadliwala, Nicholas Ka-Shing Kong, Shravya Kanchi, Sifat Muhammad Abdullah

arxiv:2507.05660 v3 · 2025-07-08 · cs.CR · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NH4KH3L5C6RXWKB7YSX6D77DOA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Reasoning Structure Matters for Safety Alignment of Reasoning Models

Receipt and verification

First computed	2026-05-22T02:04:36.341997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f8a3ed7d17a37b283fc4afe1ffe3701c4563c38856f2dcb584129042a48735

Aliases

arxiv: 2507.05660 · arxiv_version: 2507.05660v3 · doi: 10.48550/arxiv.2507.05660 · pith_short_12: NH4KH3L5C6RX · pith_short_16: NH4KH3L5C6RXWKB7 · pith_short_8: NH4KH3L5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NH4KH3L5C6RXWKB7YSX6D77DOA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 69f8a3ed7d17a37b283fc4afe1ffe3701c4563c38856f2dcb584129042a48735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e564a931680a0a5e23cf9a7b82dba2c5f54bf551ee04ace6d415335a29f32f69",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-07-08T04:40:09Z",
    "title_canon_sha256": "ad931765579c5c8ecbd3d932863e35f9adc695a2c5a7eadadb18ee4ca2405823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05660",
    "kind": "arxiv",
    "version": 3
  }
}