Pith Number

pith:HKUY4TLO

pith:2026:HKUY4TLOM6ECJ5OWBFV3DMV4Y3

not attested not anchored not stored refs pending

Verus-SpecGym: An Agentic Environment for Evaluating Specification Autoformalization

Anmol Agarwal, Bryan Parno, Cedric Flamant, Jannis Limperg, Kanna Shimizu, Natalie Neamtu, Pranjal Aggarwal, Sean Welleck, Seungone Kim

arxiv:2605.26457 v1 · 2026-05-26 · cs.SE · cs.AI · cs.CL · 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{HKUY4TLOM6ECJ5OWBFV3DMV4Y3}

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	2026-05-27T01:05:19.023883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa98e4d6e678824f5d6096bb1b2bcc6daddcfc4567e8212fb8931e1951d3267

Aliases

arxiv: 2605.26457 · arxiv_version: 2605.26457v1 · doi: 10.48550/arxiv.2605.26457 · pith_short_12: HKUY4TLOM6EC · pith_short_16: HKUY4TLOM6ECJ5OW · pith_short_8: HKUY4TLO

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/HKUY4TLOM6ECJ5OWBFV3DMV4Y3 \
  | 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: 3aa98e4d6e678824f5d6096bb1b2bcc6daddcfc4567e8212fb8931e1951d3267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6dcda2b38f0162594b9f7304cef35a7927d30b592547e5b0ed465e03b8dc59f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-05-26T02:12:48Z",
    "title_canon_sha256": "2141bcede7e7dceacbb8f8e54cf3c106160632932db4588b36936a362e29b339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26457",
    "kind": "arxiv",
    "version": 1
  }
}