Pith Number

pith:OELEPP4I

pith:2025:OELEPP4IGTFEDTH3YY67TUBHDG

not attested not anchored not stored refs pending

FEM-Bench: A Structured Scientific Reasoning Benchmark for Evaluating Code-Generating LLMs

Emma Lejeune, Erfan Hamdi, Joel Shor, Saeed Mohammadzadeh

arxiv:2512.20732 v2 · 2025-12-23 · cs.LG · cs.AI · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OELEPP4IGTFEDTH3YY67TUBHDG}

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	2026-06-01T01:03:47.949108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711647bf8834ca41ccfbc63df9d027199211136275390bca9324d6bfd895f4f0

Aliases

arxiv: 2512.20732 · arxiv_version: 2512.20732v2 · doi: 10.48550/arxiv.2512.20732 · pith_short_12: OELEPP4IGTFE · pith_short_16: OELEPP4IGTFEDTH3 · pith_short_8: OELEPP4I

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/OELEPP4IGTFEDTH3YY67TUBHDG \
  | 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: 711647bf8834ca41ccfbc63df9d027199211136275390bca9324d6bfd895f4f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92a818082904ecc9cfd52121ac018927b37a5e0da072f19dbac9795bb191d17",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-23T19:40:51Z",
    "title_canon_sha256": "5f767b424c1af0fdea74e67824bb6478c1ed80b804f4a7841fcad123464b4aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.20732",
    "kind": "arxiv",
    "version": 2
  }
}