Pith Number

pith:KQV7FOQZ

pith:2026:KQV7FOQZELCWTDMJD5BZSLTGYN

not attested not anchored not stored refs pending

$k$-Convex Polyominoes by Semi-perimeter

Andrew R. Conway, Anthony J. Guttmann

arxiv:2607.12448 v1 · 2026-07-14 · math.CO · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQV7FOQZELCWTDMJD5BZSLTGYN}

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	2026-07-15T01:21:35.458960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542bf2ba1922c5698d891f43992e66c375b2f2cfb9858d6f74d3fe492636fd2f

Aliases

arxiv: 2607.12448 · arxiv_version: 2607.12448v1 · doi: 10.48550/arxiv.2607.12448 · pith_short_12: KQV7FOQZELCW · pith_short_16: KQV7FOQZELCWTDMJ · pith_short_8: KQV7FOQZ

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/KQV7FOQZELCWTDMJD5BZSLTGYN \
  | 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: 542bf2ba1922c5698d891f43992e66c375b2f2cfb9858d6f74d3fe492636fd2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76059921b9b4bd52ed71fc23462a304deed7700720b87058450d94994ed4c207",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-14T07:25:11Z",
    "title_canon_sha256": "adc1b24ba0f4765036d66d07b03e4587232439c75a1545923c6f3db3562b1ebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12448",
    "kind": "arxiv",
    "version": 1
  }
}