Pith Number

pith:LHK67XGO

pith:2025:LHK67XGOUVVYDHS7JRQW7ZLPMC

not attested not anchored not stored refs pending

Using Reasoning Models to Generate Search Heuristics that Solve Open Instances of Combinatorial Design Problems

Christopher D. Rosin

arxiv:2505.23881 v1 · 2025-05-29 · cs.AI · cs.CL · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHK67XGOUVVYDHS7JRQW7ZLPMC}

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.

Cited by

1 paper in Pith

Constructions of Covering Sequences and Arrays

Receipt and verification

First computed	2026-07-05T11:12:37.238531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59d5efdccea56b819e5f4c616fe56f60a21a41bb5cb78b57c95ed0b4e9ee340f

Aliases

arxiv: 2505.23881 · arxiv_version: 2505.23881v1 · doi: 10.48550/arxiv.2505.23881 · pith_short_12: LHK67XGOUVVY · pith_short_16: LHK67XGOUVVYDHS7 · pith_short_8: LHK67XGO

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/LHK67XGOUVVYDHS7JRQW7ZLPMC \
  | 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: 59d5efdccea56b819e5f4c616fe56f60a21a41bb5cb78b57c95ed0b4e9ee340f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa645dbeb24c1ee01a329ceb9ce315c92121b08abbbf8cb3ac30c72634f4e3a",
    "cross_cats_sorted": [
      "cs.CL",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-05-29T17:45:50Z",
    "title_canon_sha256": "8f3fec810fd83f7c198dd896eb4b446bdc6441a93f7fcfdb8bcc9b14552e6dfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23881",
    "kind": "arxiv",
    "version": 1
  }
}