Pith Number

pith:JAADWUEM

pith:2012:JAADWUEMO4CFOHECDX3ZRTHQ4B

not attested not anchored not stored refs pending

On the Meyniel condition for hamiltonicity in bipartite digraphs

Janusz Adamus, Lech Adamus

arxiv:1208.2164 v1 · 2012-08-10 · 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{JAADWUEMO4CFOHECDX3ZRTHQ4B}

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	2026-05-18T03:48:59.962012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48003b508c7704571c821df798ccf0e07fc72d25e189c1fe3cd1965ac6335db6

Aliases

arxiv: 1208.2164 · arxiv_version: 1208.2164v1 · doi: 10.48550/arxiv.1208.2164 · pith_short_12: JAADWUEMO4CF · pith_short_16: JAADWUEMO4CFOHEC · pith_short_8: JAADWUEM

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/JAADWUEMO4CFOHECDX3ZRTHQ4B \
  | 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: 48003b508c7704571c821df798ccf0e07fc72d25e189c1fe3cd1965ac6335db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1dae068a2c64bc5e2b0ab7db9f854af61e29304cc4fc68497d04e5ad4de9423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-10T13:16:46Z",
    "title_canon_sha256": "5214107532b7ebaa1657f7c3dd96fcb654856a5f2c1988c00cedce713c96c685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2164",
    "kind": "arxiv",
    "version": 1
  }
}