Pith Number

pith:YVIUKJMO

pith:2012:YVIUKJMOU6XQ6FW57JAJLIRWVT

not attested not anchored not stored refs pending

Graphs whose edge set can be partitioned into maximum matchings

Niraj Khare

arxiv:1210.4710 v2 · 2012-10-17 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVIUKJMOU6XQ6FW57JAJLIRWVT}

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	2026-05-18T03:42:55.616258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55145258ea7af0f16ddfa4095a236ace3d72d166d3d09d6a5b59857ffdd3163

Aliases

arxiv: 1210.4710 · arxiv_version: 1210.4710v2 · doi: 10.48550/arxiv.1210.4710 · pith_short_12: YVIUKJMOU6XQ · pith_short_16: YVIUKJMOU6XQ6FW5 · pith_short_8: YVIUKJMO

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/YVIUKJMOU6XQ6FW57JAJLIRWVT \
  | 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: c55145258ea7af0f16ddfa4095a236ace3d72d166d3d09d6a5b59857ffdd3163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ced9798a67c79857827f2dc123229b3b8e9f323e7d150c3e4b438fe9b8a4ab",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-17T12:18:13Z",
    "title_canon_sha256": "32e98583fbd4d8b0fc3e8303a3afed538ef6b2ba5b7be21f7220e9f898c17114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4710",
    "kind": "arxiv",
    "version": 2
  }
}