Pith Number

pith:433LPUNE

pith:2014:433LPUNEBG4GXUNU3CYXL5IKV6

not attested not anchored not stored refs pending

The uncrossing partial order on matchings is Eulerian

Thomas Lam

arxiv:1406.5671 v1 · 2014-06-22 · 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{433LPUNEBG4GXUNU3CYXL5IKV6}

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	2026-05-18T02:49:11.023789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f6b7d1a409b86bd1b4d8b175f50aafbc311f7940c24b577ae84f327bb38bb7

Aliases

arxiv: 1406.5671 · arxiv_version: 1406.5671v1 · doi: 10.48550/arxiv.1406.5671 · pith_short_12: 433LPUNEBG4G · pith_short_16: 433LPUNEBG4GXUNU · pith_short_8: 433LPUNE

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/433LPUNEBG4GXUNU3CYXL5IKV6 \
  | 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: e6f6b7d1a409b86bd1b4d8b175f50aafbc311f7940c24b577ae84f327bb38bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9484923373269a7ad8180907e5b3d4d83d3ed65da66124ecdd503aaf51f8efb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-22T04:07:50Z",
    "title_canon_sha256": "f8016a7c34742c7751234c165c4f26f18487233f203e83cbc248cf2efc0e1108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5671",
    "kind": "arxiv",
    "version": 1
  }
}