Pith Number

pith:44LQZ5ZX

pith:2012:44LQZ5ZXUG3G5SWVG332CB2Z3J

not attested not anchored not stored refs pending

Structure and enumeration of (3+1)-free posets (extended abstract)

Alejandro H. Morales, Eric Rowland, Mathieu Guay-Paquet

arxiv:1212.5356 v2 · 2012-12-21 · 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{44LQZ5ZXUG3G5SWVG332CB2Z3J}

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	2026-05-18T02:54:05.300906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7170cf737a1b66ecad536f7a10759da4e83a657312aa6d421f09f1ddf2df042

Aliases

arxiv: 1212.5356 · arxiv_version: 1212.5356v2 · doi: 10.48550/arxiv.1212.5356 · pith_short_12: 44LQZ5ZXUG3G · pith_short_16: 44LQZ5ZXUG3G5SWV · pith_short_8: 44LQZ5ZX

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/44LQZ5ZXUG3G5SWVG332CB2Z3J \
  | 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: e7170cf737a1b66ecad536f7a10759da4e83a657312aa6d421f09f1ddf2df042

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701608c17cf5aabf2f261d9606001460daa9a8b9fa806fe4a95a15bc4bb06977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-12-21T08:22:59Z",
    "title_canon_sha256": "b34b28d38f4663ebb9dc8fd7acffd25ad25529389e5d769857114b5d33b70255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5356",
    "kind": "arxiv",
    "version": 2
  }
}