Pith Number

pith:FSOPWZAD

pith:2026:FSOPWZADYFN3S7ND6DR3YVVHXT

not attested not anchored not stored refs pending

HaloGuard 1.0: An Open Weights Constitutional Classifier for Multilingual AI Safety

Ashmiya Lenin, Navaneeth Sangameswaran, Preetham S

arxiv:2607.02079 v1 · 2026-07-02 · cs.CL · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSOPWZADYFN3S7ND6DR3YVVHXT}

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.

Receipt and verification

First computed	2026-07-03T01:17:41.593873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c9cfb6403c15bb97da3f0e3bc56a7bcf3edb3277214d3f76d847014e801afbc

Aliases

arxiv: 2607.02079 · arxiv_version: 2607.02079v1 · doi: 10.48550/arxiv.2607.02079 · pith_short_12: FSOPWZADYFN3 · pith_short_16: FSOPWZADYFN3S7ND · pith_short_8: FSOPWZAD

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/FSOPWZADYFN3S7ND6DR3YVVHXT \
  | 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: 2c9cfb6403c15bb97da3f0e3bc56a7bcf3edb3277214d3f76d847014e801afbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "939477974d0884c369e79c05bf79c017002dbde4c00537411e7f4b688cce3435",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-02T12:21:16Z",
    "title_canon_sha256": "616f38ee9df16611f11f0ca89d3c4aecccb3b5808ed4fc9506d4ef0d0d8e7fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02079",
    "kind": "arxiv",
    "version": 1
  }
}