Pith Number

pith:MCRV3KOQ

pith:2025:MCRV3KOQDXR53QF422BDWDY3FH

not attested not anchored not stored refs pending

Contemporary AI foundation models increase biological weapons risk

Roger Brent, T. Greg McKelvey Jr

arxiv:2506.13798 v1 · 2025-06-12 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCRV3KOQDXR53QF422BDWDY3FH}

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	2026-07-05T11:22:43.594860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a35da9d01de3ddc0bcd6823b0f1b29d4d82039ead2133cac61c3cd79fd7f89

Aliases

arxiv: 2506.13798 · arxiv_version: 2506.13798v1 · doi: 10.48550/arxiv.2506.13798 · pith_short_12: MCRV3KOQDXR5 · pith_short_16: MCRV3KOQDXR53QF4 · pith_short_8: MCRV3KOQ

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/MCRV3KOQDXR53QF422BDWDY3FH \
  | 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: 60a35da9d01de3ddc0bcd6823b0f1b29d4d82039ead2133cac61c3cd79fd7f89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910a478e957bfbbb4d181f7a9e5c332006ef93b1adda959459ca74be45d0fab4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-06-12T19:53:38Z",
    "title_canon_sha256": "c4c3b7afbf97833bfebd7afb4f9e6b2b7af1881e83b25bb462e7afbc4e081f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13798",
    "kind": "arxiv",
    "version": 1
  }
}