Pith Number

pith:FD4L4TZS

pith:2013:FD4L4TZSYAGLYZZIN4I2MC3PL7

not attested not anchored not stored refs pending

A Note on the Inducibility of 4-vertex Graphs

Chaim Even-Zohar, Nati Linial

arxiv:1312.1205 v2 · 2013-12-04 · 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{FD4L4TZSYAGLYZZIN4I2MC3PL7}

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	2026-05-18T01:33:34.062071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f8be4f32c00cbc67286f11a60b6f5fc7df18b2092ab7d629a20f9e5d950a3f

Aliases

arxiv: 1312.1205 · arxiv_version: 1312.1205v2 · doi: 10.48550/arxiv.1312.1205 · pith_short_12: FD4L4TZSYAGL · pith_short_16: FD4L4TZSYAGLYZZI · pith_short_8: FD4L4TZS

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/FD4L4TZSYAGLYZZIN4I2MC3PL7 \
  | 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: 28f8be4f32c00cbc67286f11a60b6f5fc7df18b2092ab7d629a20f9e5d950a3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7964a97694ba643730b6b7d050ea1cf5664bb952ffac1acf08bde8faf73ea73b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-04T15:24:07Z",
    "title_canon_sha256": "62600c577380055e6aebb177a9c19231059a24f02b7d89a0301ecb89452867bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1205",
    "kind": "arxiv",
    "version": 2
  }
}