Pith Number

pith:QLV5B2L5

pith:2010:QLV5B2L52KFNAJW56RTXCURE3I

not attested not anchored not stored refs pending

Maximal 0-1 fillings of moon polyominoes with restricted chain-lengths and rc-graphs

Martin Rubey

arxiv:1009.3919 v4 · 2010-09-20 · 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{QLV5B2L52KFNAJW56RTXCURE3I}

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	2026-05-18T04:21:52.974192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ebd0e97dd28ad026ddf467715224da2acc434cec12beebe1b9425fb70e15ec

Aliases

arxiv: 1009.3919 · arxiv_version: 1009.3919v4 · doi: 10.48550/arxiv.1009.3919 · pith_short_12: QLV5B2L52KFN · pith_short_16: QLV5B2L52KFNAJW5 · pith_short_8: QLV5B2L5

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/QLV5B2L52KFNAJW56RTXCURE3I \
  | 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: 82ebd0e97dd28ad026ddf467715224da2acc434cec12beebe1b9425fb70e15ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727bdf430068d4ce29a10755b2b9cfd62ef6c8fe400199c74bb1bcc3e6a8568a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-09-20T19:24:23Z",
    "title_canon_sha256": "1d898f8a9660e0ebc3b0830ffddf4f9a8053346bb406a8c534c3b771f5a84b09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3919",
    "kind": "arxiv",
    "version": 4
  }
}