Pith Number

pith:FGL563RZ

pith:2026:FGL563RZDIHQNOBDIO47VS2EQX

not attested not anchored not stored refs pending

LACUNA: Safe Agents as Recursive Program Holes

Cao Nguyen Pham, Frank Zhengqing Wu, Martin Odersky, Oliver Bra\v{c}evac, Yaoyu Zhao, Yichen Xu

arxiv:2605.28617 v1 · 2026-05-27 · cs.AI · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGL563RZDIHQNOBDIO47VS2EQX}

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	2026-05-28T02:04:57.875909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2997df6e391a0f06b82343b9facb4485e1c7a892fea48c6f18616bd7fcfc0e79

Aliases

arxiv: 2605.28617 · arxiv_version: 2605.28617v1 · doi: 10.48550/arxiv.2605.28617 · pith_short_12: FGL563RZDIHQ · pith_short_16: FGL563RZDIHQNOBD · pith_short_8: FGL563RZ

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/FGL563RZDIHQNOBDIO47VS2EQX \
  | 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: 2997df6e391a0f06b82343b9facb4485e1c7a892fea48c6f18616bd7fcfc0e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99b9f76eede9a50b12dba6f006a3bf5d7879c1bd7a22757408fdeca17b8b1ede",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-27T15:27:25Z",
    "title_canon_sha256": "f10991904f207e010151e63f19622bb0af02eae1f1093cd75bc26b57ac347c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28617",
    "kind": "arxiv",
    "version": 1
  }
}