Pith Number

pith:P2LJQWKI

pith:2014:P2LJQWKIKAQESZ5AH3F64ZVAKM

not attested not anchored not stored refs pending

A Maximum Resonant Set of Polyomino Graphs

Heping Zhang, Xiangqian Zhou

arxiv:1411.7126 v1 · 2014-11-26 · 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{P2LJQWKIKAQESZ5AH3F64ZVAKM}

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	2026-05-18T02:32:45.268266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9698594850204967a03ecbee66a053247feaa36370b0799e9656e28366f390

Aliases

arxiv: 1411.7126 · arxiv_version: 1411.7126v1 · doi: 10.48550/arxiv.1411.7126 · pith_short_12: P2LJQWKIKAQE · pith_short_16: P2LJQWKIKAQESZ5A · pith_short_8: P2LJQWKI

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/P2LJQWKIKAQESZ5AH3F64ZVAKM \
  | 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: 7e9698594850204967a03ecbee66a053247feaa36370b0799e9656e28366f390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6c9933d2b59667abfff81dff813cbf4b2b32c415b3adb37873a522bf361d20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-26T07:24:13Z",
    "title_canon_sha256": "9426c0f9202f99268507e866854318e19d5b0aba7114b1f186048350d4441345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7126",
    "kind": "arxiv",
    "version": 1
  }
}