Pith Number

pith:FWGAFWU3

pith:2018:FWGAFWU37CNQI5M5VRHZ65LLJU

not attested not anchored not stored refs pending

Counting linear extensions of restricted posets

Igor Pak, Samuel Dittmer

arxiv:1802.06312 v1 · 2018-02-17 · 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{FWGAFWU37CNQI5M5VRHZ65LLJU}

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

2 papers in Pith

The Combinatorics of Barrier Synchronization

Ordinal pattern probabilities for symmetric random walks

Receipt and verification

First computed	2026-05-18T00:23:03.702932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8c02da9bf89b04759dac4f9f756b4d19709aa54719ca4579252943c245b877

Aliases

arxiv: 1802.06312 · arxiv_version: 1802.06312v1 · doi: 10.48550/arxiv.1802.06312 · pith_short_12: FWGAFWU37CNQ · pith_short_16: FWGAFWU37CNQI5M5 · pith_short_8: FWGAFWU3

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/FWGAFWU37CNQI5M5VRHZ65LLJU \
  | 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: 2d8c02da9bf89b04759dac4f9f756b4d19709aa54719ca4579252943c245b877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78febeae05fa6ac1bef14c919b1abcb17d7e8afbff253d321d9ed2ce245a8915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-17T23:57:46Z",
    "title_canon_sha256": "58c9c943e0820031b3468cc21958175b7949dc89b3797c11d16a892168a3c0c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06312",
    "kind": "arxiv",
    "version": 1
  }
}