Pith Number

pith:6HB4TL67

pith:2014:6HB4TL67YFN3T36INQYWNHVXKC

not attested not anchored not stored refs pending

On lower bounds for the matching number of subcubic graphs

Alex Scott, Penny Haxell

arxiv:1406.7227 v2 · 2014-06-27 · 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{6HB4TL67YFN3T36INQYWNHVXKC}

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	2026-05-18T01:14:53.449946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c3c9afdfc15bb9efc86c31669eb7509246c6a50c69f922db929904a644f2a2

Aliases

arxiv: 1406.7227 · arxiv_version: 1406.7227v2 · doi: 10.48550/arxiv.1406.7227 · pith_short_12: 6HB4TL67YFN3 · pith_short_16: 6HB4TL67YFN3T36I · pith_short_8: 6HB4TL67

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/6HB4TL67YFN3T36INQYWNHVXKC \
  | 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: f1c3c9afdfc15bb9efc86c31669eb7509246c6a50c69f922db929904a644f2a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d1e9dc049b7a0c46c79b62a8b3750d4fcc6c6c3bb758d5ec0bfb8aa98ed254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-27T16:19:54Z",
    "title_canon_sha256": "7f0b01c40a127953a0da23638994635a1ba7238167589d554d6c9b950c4b4067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7227",
    "kind": "arxiv",
    "version": 2
  }
}