Pith Number

pith:N2N545MV

pith:2018:N2N545MVBEOJ5W23EMU7TBM6JS

not attested not anchored not stored refs pending

Characterizing the fullerene graphs with the minimum forcing number 3

Heping Zhang, Lingjuan Shi, Ruizhi Lin

arxiv:1812.03750 v1 · 2018-12-10 · 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{N2N545MVBEOJ5W23EMU7TBM6JS}

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	2026-05-17T23:58:43.955465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e9bde7595091c9edb5b2329f9859e4ca8dff9960f0f5dbf7bf5000f32c01451

Aliases

arxiv: 1812.03750 · arxiv_version: 1812.03750v1 · doi: 10.48550/arxiv.1812.03750 · pith_short_12: N2N545MVBEOJ · pith_short_16: N2N545MVBEOJ5W23 · pith_short_8: N2N545MV

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/N2N545MVBEOJ5W23EMU7TBM6JS \
  | 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: 6e9bde7595091c9edb5b2329f9859e4ca8dff9960f0f5dbf7bf5000f32c01451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99fc3ce1a8821dd7d0a12b1cfb2d9cc4e8ee28dcfdcf81265b69ab42c8e84ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-10T12:03:47Z",
    "title_canon_sha256": "30a97fd18f3c9c28503a470d5dbd6d78e616633591dbe20a3bf4ff0679d5e650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03750",
    "kind": "arxiv",
    "version": 1
  }
}