Pith Number

pith:Y5Q3OGDF

pith:2018:Y5Q3OGDFH3HX6Q5FTESDO5G3XL

not attested not anchored not stored refs pending

Spanning 2-Forests and Resistance Distance in 2-Connected Graphs

Amanda E. Francis, Emily J. Evans, John Sinkovic, Mark Kempton, Wayne Barrett

arxiv:1901.00053 v3 · 2018-12-31 · 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{Y5Q3OGDFH3HX6Q5FTESDO5G3XL}

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	2026-05-17T23:46:03.671850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c761b718653ecf7f43a599243774dbbaeea739520a920c405d677d87922d377e

Aliases

arxiv: 1901.00053 · arxiv_version: 1901.00053v3 · doi: 10.48550/arxiv.1901.00053 · pith_short_12: Y5Q3OGDFH3HX · pith_short_16: Y5Q3OGDFH3HX6Q5F · pith_short_8: Y5Q3OGDF

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/Y5Q3OGDFH3HX6Q5FTESDO5G3XL \
  | 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: c761b718653ecf7f43a599243774dbbaeea739520a920c405d677d87922d377e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909b609912f0e6166611a060f3d29a30ce0e50e7b298c33046986b13053b4cbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-31T21:54:20Z",
    "title_canon_sha256": "cfbf3ed4c55efbbd7b1d05f11d15bf614b4d60749c537a5a88e1701f16c96c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00053",
    "kind": "arxiv",
    "version": 3
  }
}