Pith Number

pith:WNE474TU

pith:2026:WNE474TUJLFHAZ73K54DRL5HY2

not attested not anchored not stored refs pending

Toward Open Weight Models Without Risks: Separating Public and Private Capabilities in LLMs

Arkil Patel, Charbel El Feghali, Nicholas Meade, Siva Reddy, Spandana Gella, Verna Dankers

arxiv:2606.21638 v1 · 2026-06-19 · cs.CR · 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{WNE474TUJLFHAZ73K54DRL5HY2}

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	2026-06-23T01:13:17.521302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b349cff2744aca7067fb577838afa7c6b2321945bbb628bc5742afc5d3311b7a

Aliases

arxiv: 2606.21638 · arxiv_version: 2606.21638v1 · doi: 10.48550/arxiv.2606.21638 · pith_short_12: WNE474TUJLFH · pith_short_16: WNE474TUJLFHAZ73 · pith_short_8: WNE474TU

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/WNE474TUJLFHAZ73K54DRL5HY2 \
  | 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: b349cff2744aca7067fb577838afa7c6b2321945bbb628bc5742afc5d3311b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba771b9a48225b34712c80d3299de962b70d478b5b16b86e89495a946c2d897",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-19T17:44:22Z",
    "title_canon_sha256": "e13d0992e45919c70b0ff7582949c8426745061de7dce0657aa1fd7d8a806d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21638",
    "kind": "arxiv",
    "version": 1
  }
}