Pith Number

pith:3ANYUS3K

pith:2012:3ANYUS3KQPI75474SSNI7S36CC

not attested not anchored not stored refs pending

A greedy algorithm for finding a large 2-matching on a random cubic graph

Alan Frieze, Deepak Bal, Patrick Bennett, Tom Bohman

arxiv:1209.6570 v1 · 2012-09-28 · 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{3ANYUS3KQPI75474SSNI7S36CC}

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	2026-05-18T03:44:25.151066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81b8a4b6a83d1fef3fc949a8fcb7e10832b0310b34cd30d2bfb36549a909ea4

Aliases

arxiv: 1209.6570 · arxiv_version: 1209.6570v1 · doi: 10.48550/arxiv.1209.6570 · pith_short_12: 3ANYUS3KQPI7 · pith_short_16: 3ANYUS3KQPI75474 · pith_short_8: 3ANYUS3K

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/3ANYUS3KQPI75474SSNI7S36CC \
  | 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: d81b8a4b6a83d1fef3fc949a8fcb7e10832b0310b34cd30d2bfb36549a909ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08768b349e752a333aabf148648338b9531317c74a33dddbd318174bde168c5a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-09-28T17:03:50Z",
    "title_canon_sha256": "4650dc6e1c240d8e1fea90416130f9f5f24a186f74de7e28ed7ee3c916f26514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6570",
    "kind": "arxiv",
    "version": 1
  }
}